☆ 4.7 Review

Recent advances and future perspective on lignocellulose-based materials as adsorbents in diverse water treatment applications

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2023)

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Article Green & Sustainable Science & Technology

Ultrafast uranium recovery from high-salinity nuclear wastewater using amine-functionalized lignin microspheres

Lijun Guo et al.

Summary: Amine-functionalized lignin microspheres (AL-PEI/GMS) were synthesized and utilized as a highly efficient adsorbent for U(VI) recovery from high-salinity nuclear wastewater. The AL-PEI/GMS showed outstanding adsorption capacity, selectivity, regeneration performance, and desorption performance. It also proved to be highly applicable under various high-salinity conditions. The mechanism of U(VI) adsorption on AL-PEI/GMS was found to be chemisorption-related.

JOURNAL OF CLEANER PRODUCTION (2023)

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Article Environmental Sciences

Lignin based microspheres for effective dyes removal: Design, synthesis and adsorption mechanism supported with theoretical study

Rabab Salih et al.

Summary: A multifunctional lignin bio-based adsorbent, b-LMS, was synthesized through inverse copolymerization, and it showed significant adsorptive potential for dyes. The rate-limiting step was determined to be pore diffusion. Sulfation of b-LMS improved its affinity for cationic dyes and cations.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2023)

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Article Environmental Sciences

The versatility of nanocellulose, modification strategies, and its current progress in wastewater treatment and environmental remediation

Ajmal Shahzad et al.

Summary: The deterioration in environmental ecosystems caused by the depletion of nonrenewable resources and the presence of harmful contaminants is a global concern. The use of nanocellulose (NC) as a renewable and environmentally-friendly nanomaterial for environmental remediation has attracted great interest due to its exceptional physicochemical properties. This review discusses the properties and structures of different types of NC, as well as the strategies involving its modification with functional and reactive materials for wastewater remediation. The review also highlights the applications of modified or hybridized NC in the removal and degradation of aquatic contaminants, and discusses the life-cycle assessment and waste management strategies associated with NC production.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

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Article Agricultural Engineering

Magnetic hydrochar derived from waste lignin for thallium removal from wastewater: Performance and mechanisms

Huabin Wang et al.

Summary: A hydrothermal carbonization method was used to convert black liquor into magnetic lignin-based hydrochar (MLHC) for thallium removal from wastewater. The MLHC showed water purification potential with a wide pH range (2-9) and a magnetization intensity of 11.12 emu/g. The maximum adsorption capacity for Tl(III) was 278.9 mg/g, with contributions from various mechanisms including surface precipitation, complexation, physical adsorption, chemical reduction, and ion exchange.

BIORESOURCE TECHNOLOGY (2023)

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Article Engineering, Environmental

A novel crosslinking strategy on functional cellulose-based aerogel for effective and selective removal of dye

Changjing Qiu et al.

Summary: In this study, a cellulose-based aerogel adsorbent was developed through a novel crosslinking strategy for selective removal and separation of dyes. The adsorbent showed high adsorption capacity and antibacterial activity, and could be regulated by adjusting pH for reprocessing and utilization.

CHEMICAL ENGINEERING JOURNAL (2023)

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Review Biochemistry & Molecular Biology

Preparation and modification of nanocellulose and its application to heavy metal adsorption: A review

Haoyuan Jiang et al.

Summary: Heavy metals are a significant pollutant in aquatic ecosystems, causing deadly diseases in humans after being enriched through the food chain. Nanocellulose, as an environmentally friendly renewable resource, has the potential to compete with other materials in removing heavy metal ions due to its large specific surface area, high mechanical strength, biocompatibility, and low cost. This review primarily discusses the research status of modified nanocellulose for heavy metal adsorbents, focusing on the preparation process, modification methods, and adsorption principles. The findings may promote the application of modified nanocellulose in the field of heavy metal removal.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2023)

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Article Environmental Sciences

Pyrolysis of Ca/Fe-rich antibiotic fermentation residues into biochars for efficient phosphate removal/recovery from wastewater: Turning hazardous waste to phosphorous fertilizer

Mingdong Zhang et al.

Summary: In this study, Ca/Fe-rich vancomycin fermentation residues were pyrolyzed into biochar for the first time, which was used to adsorb phosphate. The residual vancomycin and antibiotic resistance genes were completely decomposed during pyrolysis. The resulting Ca/Fe-rich biochar exhibited excellent performance in adsorbing phosphate without further modifications.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

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Review Environmental Sciences

Graphene-based materials for effective adsorption of organic and inorganic pollutants: A critical and comprehensive review

Dibya Ranjan Rout et al.

Summary: Water scarcity is a pressing global issue, and pollution from human activities has further worsened the situation. This review article focuses on the use of graphene- and its composite-based adsorbents for the removal of organic and inorganic pollutants from wastewater. The article provides a comprehensive analysis of synthesis methods, experimental parameters, adsorption behavior, isotherms, kinetics, thermodynamics, mechanisms, and regeneration-desorption processes. It also discusses the challenges, limitations, and future research directions in this field.

SCIENCE OF THE TOTAL ENVIRONMENT (2023)

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Article Engineering, Chemical

Multifunctional superhydrophilic/underwater superoleophobic lignin-based polyurethane foam for highly efficient oil-water separation and water purification

Jing Chen et al.

Summary: In this study, lignin-based polyurethane foams (LPUFs) were synthesized and modified with polydopamine particles and phytic acid to achieve superhydrophilicity and underwater superoleophobicity. The successful loading of PDA particles and coating of PA onto the foam were confirmed by various tests. The modified foam showed high mechanical stability, excellent underwater anti-oil adhesion performances, and efficient oil-water separation with over 99% separation efficiency for different types of mixtures tested.

SEPARATION AND PURIFICATION TECHNOLOGY (2023)

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Article Engineering, Chemical

Multifunctional nano-cellulose aerogel for efficient oil-water separation: Vital roles of magnetic exfoliated bentonite and polyethyleneimine

Rui Tang et al.

Summary: A new carboxy cellulose nanofibers/polyethyleneimine/magnetic exfoliated bentonite (CNF-C/PEI/MBTex) aerogel was synthesized using simple hydrothermal and chemical vapor deposition (CVD) methods, which exhibited superhydrophobic properties, excellent mechanical properties, anti-mold properties, and magnetic responsivity. The aerogel showed high oil adsorption capacity and could recover the adsorbed oil by simple hand squeezing.

SEPARATION AND PURIFICATION TECHNOLOGY (2023)

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Article Engineering, Chemical

Lignin-modulated magnetic negatively charged Fe3O4@lignin nanospheres in removing cationic dyes from wastewater

Shilin Chen et al.

Summary: In recent decades, the generation of wastewater containing toxic dyes in industrial processes has become a significant issue. To address the complex separation process of conventional adsorbents, Fe3O4@lignin/phenolic resins nanospheres (Fe3O4@LPF) were synthesized using a simple reverse-phase emulsion polymerization method. The Fe3O4@40%LPF exhibited excellent adsorption performance, with a dye removal ratio of 99.80% for RB at 50 degrees C and a maximum experimental adsorption capacity of 41.03 mg/g for RB. The adsorbent also demonstrated good stability and can be considered a high-efficiency and economic option.

SEPARATION AND PURIFICATION TECHNOLOGY (2023)

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Article Engineering, Chemical

N-doped highly microporous carbon derived from the self-assembled lignin/chitosan composites beads for selective CO2 capture and efficient p-nitrophenol adsorption

Lishu Shao et al.

Summary: Sodium lignosulphonate, chitosan, and activator were combined into wet gel microbeads, which were then freeze-dried and one-step activated carbonized to obtain novel porous carbon adsorption materials (LC-Cs). The LC-Cs showed large specific surface areas, high microporosity, and rich nitrogen content. They exhibited efficient CO2 capture and high CO2/N2 selectivity, as well as high adsorption capacity for p-nitrophenol (PNP).

SEPARATION AND PURIFICATION TECHNOLOGY (2023)

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Article Engineering, Environmental

Adsorption of emerging pollutants on lignin-based activated carbon: Analysis of adsorption mechanism via characterization, kinetics and equilibrium studies

L. Sellaoui et al.

Summary: This study used lignin as a precursor to synthesize activated carbons and compared their properties. The best adsorbent was used to remove acetaminophen and acetamiprid from water. Statistical physics models were used to analyze the adsorption mechanisms, and a double layer adsorption model was found to be the most effective in explaining the removal of these organic molecules.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Environmental Sciences

Synthesis, characterization and adsorption behavior of modified cellulose nanocrystals towards different cationic dyes

Tariq Aziz et al.

Summary: Green and efficient removal of polluted materials is crucial for maintaining a clean and sustainable environment. This study explores the modification of cellulose nanocrystals (CNCs) using succinic anhydride and demonstrates the high adsorption affinity of the modified CNCs (MCNCs) towards cationic dyes. Additionally, MCNCs exhibit improved adhesive properties, laying the foundation for environmentally friendly fabrication and consumption.

CHEMOSPHERE (2023)

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Review Chemistry, Multidisciplinary

Bimetallic adsorbents for wastewater treatment: a review

Aaron Albert Aryee et al.

Summary: The rising pollution of water resources is a serious threat to human health and ecosystems, requiring advanced methods for water purification. Bimetallic adsorbents have recently been developed as effective solutions for water and wastewater treatment due to their multiple functionalities, easy fabrication, high specific surface area and volume ratio. This review focuses on the preparation methods, characterization, substrates, mechanisms and cost of bimetallic adsorbents, including graphene, polymers, metal-organic frameworks, zeolite, mesoporous silica, cellulose, chitosan, clay, carbonaceous waste and composites. It is observed that the synergy between the substrate and metal ions enhances the adsorption capacity by providing more active adsorption sites.

ENVIRONMENTAL CHEMISTRY LETTERS (2023)

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Article Biochemistry & Molecular Biology

Efficient removal of phosphate from aqueous media using magnetic bimetallic lanthanum-iron-modified sulfonylmethylated lignin biochar

Rui Cui et al.

Summary: A novel FeLaO3-modified sulfomethylated lignin (SL) biochar adsorbent (FLO@CSL) was developed for effective removal of phosphates from wastewater, showing remarkable selectivity and adsorption capacity.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2023)

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Article Biochemistry & Molecular Biology

Adsorption of Pb2+and Cu2+in wastewater by lignosulfonate adsorbent prepared from corn straw

Xiang Wang et al.

Summary: The heavy metal ions present in industrial wastewater pose a significant threat to human health. To mitigate heavy metal ion pollution, it is crucial to explore an adsorbent that is low-cost, environmentally friendly, exhibits high adsorption capacity, and is easily recyclable. In this study, lignin sulfonate derived from corn stover was modified using a hydrothermal method, resulting in a porous structure that provides more internal adsorption sites for heavy metal ions. The modified lignosulfonate adsorbent efficiently removes heavy metals, particularly Cu2+ and Pb2+, from wastewater, with an adsorption capacity of 450.3 mg/g for Cu2+ and 475.4 mg/g for Pb2+. Additionally, at a concentration of 40 mg/L for Cu2+ and Pb2+, and using a dosage of 0.4 g/L of adsorbent, the adsorption equilibrium is achieved within 60 minutes. Furthermore, the adsorbent achieves removal rates of 83% for Pb, 72% for Cd, 87% for Cu, 36% for Zn, 25% for Mn, 95% for Cr, and 99% for Fe in wastewater within 2 hours. This research demonstrates the development of a practical adsorbent for the removal of heavy metals from real-world wastewater.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2023)

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Article Engineering, Environmental

Nanostructured carboxylated-wood aerogel membrane for high-efficiency removal of Cu (II) ions from wastewater

Wen He et al.

Summary: Heavy-metal pollution is a global concern due to its harmful impact on humans and the natural ecosystem. In this study, a tunable dual-wavelength absorption mesoporous wood aerogel (TDWA) was developed for the removal of Cu2+ ions from wastewater. The TDWA showed excellent adsorption capacity and efficiency, outperforming most wood-based adsorption membranes. The TDWA membrane also exhibited high removal efficiency even after repeated adsorption cycles, making it a promising alternative to plastic-based membranes.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Environmental Sciences

Functionalization of carbon from rubber fruit shells (Hevea brasiliensis) with silane agents and its application to the adsorption of bi-component mixtures of methylene blue and crystal violet

Mita Buhani et al.

Summary: In this research, activated carbon obtained from rubber fruit shells (ACRPs) was modified with magnetite coating and silanization with triethoxyiphenylsilane (TEPS) to produce a new magnetic adsorbent (ACRPs-MS). The adsorption capacity and kinetics of the ACRPs-MS adsorbent were evaluated for methylene blue (MB) and crystal violet (CV) dyes in mono-component and bi-component solutions. The results showed that ACRPs-MS exhibited strong affinity towards both dyes and followed pseudo-second-order kinetics. The adsorbent could be reused multiple times and desorption was successfully achieved using 0.05 M HCl solution.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2023)

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Article Biochemistry & Molecular Biology

Facile construction of lignin-based network composite hydrogel for efficient adsorption of methylene blue from wastewater

Shao-Fei Sun et al.

Summary: A cost-effective and eco-friendly lignin-based network composite hydrogel adsorbent was successfully constructed for the adsorption of methylene blue from wastewater. The adsorbent exhibited remarkable adsorption performance, with a maximum theoretical adsorption capacity of 777.1 mg/g. The adsorption process followed pseudo-second-order kinetic and Langmuir isotherm models. Mechanism investigation revealed that hydrogen bonding and electrostatic interactions played a crucial role in the adsorption process. The adsorbent also showed excellent regeneration usability and stability after multiple cycles.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2023)

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Article Chemistry, Applied

Fabrications and applications of hemicellulose-based bio-adsorbents

Zhouyang Xiang et al.

Summary: This review summarizes recent studies in hemicellulose-based bioadsorbents, including hydrogels and activated carbons, from the perspectives of types, applications, fabrication methods, the elements affecting the adsorption performance and the kinetics of adsorption process. It helps to further improve the properties of hemicellulose-based bio-adsorbents and promote the industrial production and utilization of hemicelluloses and hemicellulose-based bio-adsorbents.

CARBOHYDRATE POLYMERS (2022)

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Article Materials Science, Paper & Wood

Modification of glycidyl methacrylate based cryogels by cellulose nanocrystals and determination of dye adsorption performance

Kazim Kose et al.

Summary: CNC-modified poly(HEMA-GMA) cryogels with high water retention ability were prepared by base-catalyzed CNC addition. Immobilization of Fe(II) cations onto the polymeric adsorbent increased its functionality towards anions. The optimal Fe(II)-immobilized polymer had a removal rate of 25% for methyl orange at a concentration of 100 mg/L.

CELLULOSE (2022)

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Article Environmental Sciences

Construction of lignin-based nano-adsorbents for efficient and selective recovery of tellurium (IV) from wastewater

Guanglei Yao et al.

Summary: This work utilizes waste lignin to construct copper-doped activated lignin (CAL) adsorbents for selective separation and recovery of tellurium from wastewater. CAL shows superior adsorption properties, high regenerability, and selectivity for tellurium adsorption, demonstrating potential for practical application.

CHEMOSPHERE (2022)

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Article Engineering, Environmental

Preparation of chitosan/sodium alginate/nano cellulose composite for the efficient removal of cadmium (II) cations from wastewater and soil systems

Sara Mola Ali Abasiyan et al.

Summary: In this study, chitosan/sodium alginate/nano cellulose nanocomposite hydrogels were prepared using a green route and used as sorbents to adsorb Cd2+ ions from water and soil systems. The influences of various factors on adsorption and desorption isotherms were investigated, and it was found that CSA-N was more efficient than CSA for cadmium removal. The Langmuir and Freundlich models provided the best fit for the experimental adsorption data for CSA and CSA-N, respectively.

ENVIRONMENTAL GEOCHEMISTRY AND HEALTH (2022)

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Article Agricultural Engineering

Micromorphology control of the lignin-based activated carbon and the study on the pyrolysis and adsorption kinetics

Zhou Liao et al.

Summary: The article discusses the use of waste corncob-based lignin treated with alkali for preparation of activated carbon for methylene blue adsorption. By studying the relationship between pyrolysis kinetics and the structure of activated carbon, optimal activation conditions and adsorption effects were achieved.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Engineering, Environmental

Aromatic compounds releases aroused by sediment resuspension alter nitrate transformation rates and pathways during aerobic-anoxic transition

Xiaoyan Liu et al.

Summary: Aromatic compounds released by sediment resuspension can accelerate nitrate-N transformation, with methylbenzene having a more significant impact compared to aniline and nitrobenzene. Microbial analysis revealed changes in microbial cooccurrence networks and associations among bacteria due to sediment resuspension, with dominant bacteria abundance varying with different ACs releases. Analysis also showed that ACs distributed in suspended sediment indirectly affected nitrate-N transformation rates and pathways through altering bacteria abundance and electron transport system activity.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Environmental

Amelioration of adsorptive efficacy by synergistic assemblage of functionalized graphene oxide with esterified cellulose nanofibers for mitigation of pharmaceutical waste

Komal et al.

Summary: Efforts have been made to synthesize sustainable nanoadsorbents from surplus biomass utilizing green synthetic strategies. Functionalized graphene oxide and cellulose nanofibers were compared for their adsorption performance, showing the potential for sustainable resource utilization from surplus biomass.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Environmental

Removal of methylene blue from wastewater using ternary nanocomposite aerogel systems: Carboxymethyl cellulose grafted by polyacrylic acid and decorated with graphene oxide

Hadi Hosseini et al.

Summary: Environmentally-friendly nanocomposite hydrogels were fabricated by incorporating graphene oxide particles, leading to enhanced adsorption capacity and stability.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Chemical

Equilibrium, kinetics and breakthrough curves of acetaminophen adsorption onto activated carbons from microwave-assisted FeCl3-activation of lignin

A. Gomez-Aviles et al.

Summary: Activated carbons were prepared by chemical activation of lignin with FeCl3 using microwave heating, resulting in a microporous carbon with high surface area and acidic properties. The adsorption of acetaminophen reached about 300 mg.g(-1) at 60 degrees C, with an endothermic process and increased randomness observed. The kinetics was described by pseudo-second order model and breakthrough curves fitted well to various adsorption models, showing potential for application in water treatment.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Review Chemistry, Applied

Effects of hydrothermal pretreatment on the dissolution and structural evolution of hemicelluloses and lignin: A review

Dan Sun et al.

Summary: Hydrothermal pretreatment (HTP) is a green and cost-effective technology that can efficiently degrade lignocellulosic biomass by disrupting the stable structure of plant cell walls. This review focuses on the degradation mechanism of hemicelluloses and lignin during HTP and discusses strategies for inhibiting lignin recondensation.

CARBOHYDRATE POLYMERS (2022)

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Article Chemistry, Physical

Preparation and adsorbability of magnetic composites based on cellulose nanofiber/graphene oxide

Jinghan Chen et al.

Summary: In this study, a magnetic composite with a three-dimensional network structure was prepared using an electrostatic self-assembly method. The composite exhibited excellent adsorption properties for methylene blue, with a high adsorption capacity and good cyclic performance. It holds great potential for application in dye wastewater treatment.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2022)

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Article Engineering, Manufacturing

Multipurpose Polysaccharide-based composite hydrogel with magnetic and thermoresponsive properties for phosphorus and enhanced copper (II) removal

Mingyun Dai et al.

Summary: A novel polysaccharide-based composite hydrogel designed for phosphorus and Cu2+ removal showed promising application prospects in wastewater treatment, with quick desorption and high efficiency of reuse.

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING (2022)

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Article Biochemistry & Molecular Biology

Synthesis and characterization of chitosan-vermiculite-lignin ternary composite as an adsorbent for effective removal of uranyl ions from aqueous solution: Experimental and theoretical analyses

Zeynep Mine Senol et al.

Summary: In this study, a natural composite adsorbent composed of chitosan, vermiculite, and lignin was used for the removal of UO22+ ions in aqueous solutions. The adsorption process was found to be both spontaneous and endothermic. Theoretical calculations and experimental observations were in good agreement, highlighting the reliability of the study results.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Biochemistry & Molecular Biology

Highly stable cellulose nanofiber/polyacrylamide aerogel via in-situ physical/chemical double crosslinking for highly efficient Cu(II) ions removal

Liuting Mo et al.

Summary: Water pollution caused by heavy metal ions is a global concern due to its negative impact on the environment and human health. Traditional adsorbents often suffer from stability and recyclability issues. In this study, a three-dimensional lamellar porous cellulose nanofiber/polyacrylamide composite aerogel was developed as an efficient adsorbent for heavy metal pollutants. The aerogel exhibited excellent adsorption properties, easy regeneration, and multiple recycling. The adsorption capacity for Cu(II) ions reached 240 mg/g, and the adsorption mechanism involved electrostatic attraction, chelating effect, and complex formation. After 10 adsorption/regeneration cycles, the aerogel still maintained a removal efficiency of over 80% for Cu(II). This proposed aerogel adsorbent shows great potential for the practical treatment of heavy metal ion wastewater.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Biochemistry & Molecular Biology

Preparation and adsorption performance of functionalization cellulose-based composite aerogel

Kehao Fan et al.

Summary: In this study, functionalized cellulose-based composite aerogels were fabricated by incorporating carboxyl cellulose nanofibers (CNF), montmorillonite (MMT), and polyethyleneimine (PEI). The addition of PEI improved the mechanical properties of the CNF/MMT/PEI composite aerogels and enhanced their adsorption performance. The morphological, chemical, and thermal properties of the composite aerogels were characterized. The results showed that the composite aerogels had a three-dimensional network structure with abundant pores, leading to high adsorption capacity for Congo red dye.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Biochemistry & Molecular Biology

Lightweight and anisotropic cellulose nanofibril/rectorite composite sponges for efficient dye adsorption and selective separation

Yiming Chen et al.

Summary: Constructing lightweight and porous adsorbents for effective dye removal is crucial in sewage treatment. This study fabricated anisotropic cellulose nanofibril (CNF) composite sponges assisted by rectorites through directional freeze-drying. The resulting composite sponge exhibited superior adsorption capacity and removal efficiency, and showed selective adsorption ability for different dyes.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Engineering, Environmental

Concurrent elimination and stepwise recovery of Pb(II) and bisphenol A from water using β-cyclodextrin modified magnetic cellulose: adsorption performance and mechanism investigation

Jie Liu et al.

Summary: In this study, a beta-cyclodextrin modified magnetic rice husk-derived cellulose adsorbent was synthesized and demonstrated to effectively bind heavy metals and endocrine disrupting compounds in polluted water. The adsorbent exhibited superior adsorption performance and could be easily recovered due to its magnetic properties.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Review Engineering, Environmental

Mechanistic insights of removing pollutant in adsorption and advanced oxidation processes by sludge biochar

Jingqin Ji et al.

Summary: This paper reviews the application mechanisms of sludge biochar and its composites in adsorption and advanced oxidation processes. The synthesis techniques and influencing factors are studied to reveal the mechanisms behind their adsorption performance and catalytic efficiency. The paper discusses the different mechanisms of sludge biochar in adsorption and catalytic processes, and presents challenges and perspectives for their application from a mechanistic point of view.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Environmental

Highly efficient Cr(VI) remediation by cationic functionalized nanocellulose beads

YunJin Kim et al.

Summary: Nanocellulose has promising applications in water treatment due to its unique properties, such as renewability and large surface area; a study showed that carboxymethyl cellulose nanofibrils modified with polyethyleneimine had excellent Cr(VI) removal capacity and stability; the removal of Cr(VI) was achieved through a combination of electrostatic attraction, chemical reduction, and chelation mechanisms.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Polymer Science

In-Depth Sulfhydryl-Modified Cellulose Fibers for Efficient and Rapid Adsorption of Cr(VI)

Wenxuan Wang et al.

Summary: In this study, cellulose fibers with large porosity were prepared and sulfhydryl modification was applied for efficient adsorption of Cr(VI). The sulfhydryl-modified cellulose fibers demonstrated excellent adsorption capacity for chromium and other heavy metal ions, with the added benefits of low cost and environmental friendliness.

POLYMERS (2022)

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Article Agricultural Engineering

Preparation of high-strength dynamic polysaccharide nanocomposite hydrogels and their application towards dye adsorption

Fang Wang et al.

Summary: In this study, a high-strength dynamic polysaccharide hydrogel with excellent mechanical and anti-fatigue properties was developed. It showed good removal efficiency for dyes in water. This research is of great significance for environmental applications, especially in water pollution adsorption treatment.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Review Engineering, Chemical

Application of lignin adsorbent in wastewater Treatment: A review

Tong Wang et al.

Summary: This review discusses the modification methods and adsorption mechanisms of lignin adsorbents, summarizes their applications in wastewater treatment, and looks ahead to future research directions.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Engineering, Environmental

Phenolation of lignin for polycatecholamines to remove Cr (VI)

Zongying Zhang et al.

Summary: In this study, alkaline lignin was used to prepare PAL-TEPA adsorbent with excellent Cr (VI) removal capacity, showing potential for the utilization of lignin and wastewater treatment.

JOURNAL OF WATER PROCESS ENGINEERING (2022)

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Article Engineering, Chemical

Adsorption of small size microplastics based on cellulose nanofiber aerogel modified by quaternary ammonium salt in water

Jie Zhuang et al.

Summary: This study used cellulose nanofibers as the matrix material to prepare aerogel with good adsorption capacity for small size microplastics removal. The research showed that the modified aerogel has high adsorption capacity and maintains good performance under different influencing factors.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Agricultural Engineering

Preparation of green magnetic hydrogel from cellulose nanofibril (CNF) originated from soybean residue for effective and rapid removal of copper ions from waste water

Peiyi Li et al.

Summary: In this study, a green magnetic hydrogel was successfully prepared from renewable resources for the removal of Cu2+. The hydrogel exhibited improved mechanical properties and swelling, resulting in enhanced adsorption capacity. This work provides a feasible method for the fabrication of promising adsorbents.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Agricultural Engineering

Simultaneous production of clean water and organic dye from dyeing wastewater by reusable lignin-derived porous carbon

Shiyun Zhu et al.

Summary: This study develops a porous carbon material derived from renewable lignin, which can produce clean water and organic dye from dye wastewater simultaneously, and exhibits high adsorption performance and reusability.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Agricultural Engineering

Preparation of magnetic lignin/graphene aerogel and its adsorption properties to oil and organic solvents

Qian Wang et al.

Summary: In this study, magnetic lignin/graphene aerogel (FLGA) was successfully fabricated using one-step hydrothermal synthesis and freeze drying. The FLGA exhibited excellent adsorption performance and magnetic properties.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Biochemistry & Molecular Biology

Cellulose-based bio-adsorbent from TEMPO-oxidized natural loofah for effective removal of Pb(II) and methylene blue

Wei-Dong Xiao et al.

Summary: In this study, a novel method of enhancing the adsorption performance of loofah sponge was presented. The TEMPO-oxidized loofah sponge (TOLS) showed significantly increased removal capacity for lead and methylene blue compared to pristine loofah sponge. The continuous-flow reaction testing also demonstrated a high elimination rate of these pollutants even after 16 hours.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Environmental Sciences

Efficient adsorption of heavy metals from wastewater on nanocomposite beads prepared by chitosan and paper sludge

Kehan Xu et al.

Summary: This study used recycled industrial paper sludge to prepare an adsorption material for the removal of Cu2+ and Cr3+ heavy metals from wastewater. The material exhibited a high adsorption capacity for Cu2+ and Cr3+, and the adsorption kinetics followed the pseudo-second-order model.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Review Environmental Sciences

Recent advances and future perspective on nanocellulose-based materials in diverse water treatment applications

Bouthaina Aoudi et al.

Summary: Nanocellulose and its derivatives have emerged as promising bio-based materials for water treatment due to their high surface area, strength, and renewable nature. This review highlights the various applications of nanocellulose-based materials in adsorption, catalysis, filtration, and flocculation, with a focus on removing contaminants from water systems. Progress in different forms of nanocellulose adsorbents (suspension, hydrogel, aerogel, and membrane) is discussed, along with challenges and future perspectives for industrial applications.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Engineering, Chemical

Rechargeable nanofibrillated cellulose aerogel with excellent biocidal properties for efficient oil/water separation

Shuxiu Wang et al.

Summary: In this study, bio-based aerogels with antibacterial and oil-water separation functions were prepared using renewable nanofibrillated cellulose as substrate. The aerogels exhibited strong bactericidal activity and excellent antibacterial stability, and showed great potential in wastewater treatment.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Review Engineering, Environmental

Phage-host interactions: The neglected part of biological wastewater treatment

Xiang Tang et al.

Summary: This review focuses on the importance of phage-host interactions in biological wastewater treatment plants (WWTPs). It highlights the role of bacteriophages in shaping functional microbiota and the potential driving factors behind phage-host interactions. The review also emphasizes the need for further research and understanding of phage dynamics in WWTPs.

WATER RESEARCH (2022)

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Article Engineering, Environmental

Flexible brushite/nanofibrillated cellulose aerogels for efficient and selective removal of copper(II)

Qinyu Wang et al.

Summary: A novel cellulose aerogel was developed using polyethyleneimine-modified nanofibrillated cellulose and brushite coupling, which exhibited excellent adsorption capacity and regeneration performance for copper(II) ions. The aerogel also served as a continuous flow filter for industrial wastewater purification.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Environmental Sciences

Removal of toxic dye from dye-laden wastewater using a new nanocomposite material: Isotherm, kinetics and adsorption mechanism

Wasim Akram Shaikh et al.

Summary: A (hemi)cellulosic biochar-based nanocomposite was fabricated for efficient depollution of toxic dye-laden wastewater. The hybrid nanocomposite exhibited outstanding physicochemical properties and high adsorption efficiency for Rhodamine B. The material showed great potential for practical environmental applications and promoting sustainable development.

CHEMOSPHERE (2022)

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Article Chemistry, Physical

Construction of Janus-structured ZnO@ZIF-8(-NH2)/cellulose nanofiber foam for highly efficient adsorption and photocatalysis-assisted desorption of tetracycline

Tianjian Ji et al.

Summary: A photo-regenerable MOF foam with a hybrid interface was designed and fabricated using an interface-induced epitaxial growth strategy. The obtained foam showed a high specific surface area, hierarchical porous structure, and excellent adsorption and desorption performance. It exhibited a high adsorption capacity for tetracycline and achieved fast desorption through photocatalysis-assisted regeneration, demonstrating good reusability.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Chemistry, Multidisciplinary

Photocatalytic degradation of ciprofloxacin in freshwater aquaculture wastewater by a CNBN membrane: mechanism, antibacterial activity, and cyclability

Zhenjun Xiao et al.

Summary: A carbon nitride modified boron nitride (CNBN) membrane was synthesized and applied to remediate contaminated freshwater aquaculture wastewater. The membrane showed effective degradation activity on ciprofloxacin (CIP) and other emerging contaminants. It exhibited stable photocatalytic efficacy and could remove antibiotic properties.

ENVIRONMENTAL SCIENCE-NANO (2022)

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Article Engineering, Environmental

Nanocelluloses affixed nanoscale Zero-Valent Iron (nZVI) for nickel removal: Synthesis, characterization and mechanisms

Mingyang Song et al.

Summary: In this study, a nanocellulose-based composite, NC-nZVI, was developed for efficient removal of nickel. The nZVI was anchored to nanocellulose through a liquid-phase reduction method, resulting in varied morphology and dispersion status. Among the developed composites, CNC-nZVI showed the most evenly distributed nZVI particles. The binding between NC and nZVI was achieved through hydrogen bonds, electrostatic attractions, coordination-covalent bonds, and steric hindrance. The CNC-nZVI composite exhibited significantly higher removal efficiency of Ni2+ compared to bare nZVI, and remained effective under a wide pH range and in the presence of interference ions like NO3-, Cl-, and Ca2+. The observed hollow-out structure and Tafel extrapolation curves indicated that CNC activated diffusion path and accelerated electronic transfer from nZVI. The superior removal performance of NC-nZVI and the abundance of raw materials make it a promising material for environmental remediation and wastewater treatment.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2022)

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Review Chemistry, Multidisciplinary

Amine-based pretreatments for lignocellulose fractionation and lignin valorization: a review

Samuel Ntakirutimana et al.

Summary: This article presents the current state of the art of amine-based pretreatments for lignocellulosic biomass, highlighting their role in component fractionation and biorefinery. The potential benefits of amine solvent systems in the fractionation process are discussed, along with existing challenges and future perspectives.

GREEN CHEMISTRY (2022)

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Review Materials Science, Multidisciplinary

Chitosan- or glycidyl methacrylate-based adsorbents for the removal of dyes from aqueous solutions: a review

Raed A. Mashabi et al.

Summary: This study summarizes the use of chitosan (CS) or glycidyl methacrylate (GMA) as dye adsorbents and their modifications using different functional materials. It is found that CS and GMA derivatives have good water-purification properties and can effectively clean wastewater. Thorough knowledge of their adsorption capabilities is required for understanding how CS and GMA remove organic dyes from wastewater.

MATERIALS ADVANCES (2022)

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Article Agricultural Engineering

Preparation of green magnetic hydrogel from cellulose nanofibril (CNF) originated from soybean residue for effective and rapid removal of copper ions from waste water

Peiyi Li et al.

Summary: In this study, green magnetic hydrogel was successfully prepared, showing good mechanical and swelling properties for Cu2+ adsorption. The research provided a new and promising method for the fabrication of adsorbents from green renewable resources.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Environmental Sciences

Enhanced Cu(II) adsorption using sodium trimetaphosphate-modified cellulose beads: equilibrium, kinetics, adsorption mechanisms, and reusability

Najeh Maaloul et al.

Summary: The study focuses on the simple synthesis of two novel biosorbent beads BASB/STMP and CNFB/STMP, derived from bleached almond shell and cellulose nanofiber from almond shell, respectively, for the adsorption of Cu(II) ions. These biosorbents demonstrate high efficiency in wastewater treatment and show potential for enhancing competitiveness and eco-friendliness in agrowaste-based processes.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Environmental Sciences

Lignin-based nanoparticles for recovery and separation of phosphate and reused as renewable magnetic fertilizers

Tao Li et al.

Summary: Magnetic lignin-based nanoparticles were developed for phosphorus adsorption and slow-release fertilizer, showing potential as efficiently separated and renewable nanomaterial for removal of low concentration phosphate in wastewater treatment and sustainable agriculture. The nanoparticles released increasing amounts of iron and phosphorus in soil, and can be separated with high recovery ratio and regenerated for phosphate recovery again.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Review Environmental Sciences

Application of coagulation/flocculation in oily wastewater treatment: A review

Chuanliang Zhao et al.

Summary: This study reviews the influencing factors of oily wastewater treatment by coagulation/flocculation, compares the treatment effects of different coagulants/flocculants, emphasizes the mechanisms and combined processes. Additionally, it discusses the choices in practical application, existing challenges, and future research directions.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article

New magnetic cellulose nanobiocomposites for Cu(II), Cd(II) and Pb(II) ions removal: kinetics, thermodynamics and analytical evaluation

Ahmed El Nemr et al.

Nanotechnology for Environmental Engineering (2021)

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Article Engineering, Environmental

2-Mercaptobenzimidazole derivative of chitosan for silver sorption - Contribution of magnetite incorporation and sonication effects on enhanced metal recovery

Khalid Z. Elwakeel et al.

Summary: The grafting of 2-mercaptobenzimidazole onto chitosan microparticles and the incorporation of magnetite particles, along with the use of sonication at different frequencies, enhance the efficiency and selectivity of silver uptake. The sorbent shows high adsorption capacities and stability for repeated recycling, successfully recovering and separating precious metals from base metals in e-waste recycling.

CHEMICAL ENGINEERING JOURNAL (2021)

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Review Chemistry, Applied

Advances in nanocellulose-based materials as adsorbents of heavy metals and dyes

Aihua Qiao et al.

Summary: This review discusses the increasing application of nanocellulose-based materials as biosorbents for water pollutants treatment, highlighting surface modification, polymer grafting, hybrid composite fabrication, adsorption mechanisms, and regeneration methods. It also briefly describes the various forms of nanocellulose-based adsorbents with large-scale application.

CARBOHYDRATE POLYMERS (2021)

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Article Environmental Sciences

Health risks of arsenic buildup in soil and food crops after wastewater irrigation

Natasha et al.

Summary: This study examined the impact of using municipal wastewater for irrigation on arsenic levels in soil and food plants in Pakistan, finding potential health risks in certain areas, particularly for children consuming wheat crops. It recommends the use of diverse food crops in the study area to minimize the risk of arsenic exposure and poisoning. The study also highlights the importance of considering future perspectives on wastewater use, potential human exposure to metal(oids), and associated health concerns at local and global levels.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Agricultural Engineering

Novel dual modified alkali lignin based adsorbent for the removal of Pb2+ in water

Zhaohui Zhang et al.

Summary: A dual - modified lignin (DML) adsorbent with high adsorption capacity for Pb2+ was prepared in this study for scavenging heavy metals from wastewater. The results showed that the Pb2+ adsorption mechanism of DML mainly consists of complexation and electrostatic attraction. This adsorbent is valuable for protecting water quality, the environment, and provides a new avenue for lignin utilization.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Article Biochemistry & Molecular Biology

Cellulose based hyper-crosslinked polymer for efficiently recovering valuable materials from PO/SM wastewater

Kongyou Wu et al.

Summary: TOC-PS-HCP was synthesized by TEMPO oxidation, grafting copolymerization, and post crosslinking, displaying excellent hydrophobicity and high specific surface area. The adsorption experiment showed efficient recovery of ethylbenzene and styrene, with a possible mechanism related to van der Waals force and pi-pi stacking.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Biochemistry & Molecular Biology

Cattail fibers as source of cellulose to prepare a novel type of composite aerogel adsorbent for the removal of enrofloxacin in wastewater

Fengjiao Cui et al.

Summary: The study successfully extracted cellulose from cattail as a natural cellulose source and prepared ZIF-8 Cattail Cellulose Aerogel (ZCCA) with excellent adsorption performance and reusability. Thermodynamic studies showed that the adsorption of enrofloxacin was a spontaneous endothermic reaction involving hydrogen bonds, electrostatic and 7C-7C stacking interactions.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Chemistry, Applied

Facile synthesis of chitosan-based acid-resistant composite films for efficient selective adsorption properties towards anionic dyes

Mei-Xia Huo et al.

Summary: By synthesizing a sustainable cellulose nanofiber/chitosan composite film, the effective removal and recovery of toxic anionic dyes have been achieved, with properties such as low swelling and acid resistance, leading to efficient adsorption of anionic dyes.

CARBOHYDRATE POLYMERS (2021)

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Review Engineering, Environmental

Cellulose/carbon Composites and their Applications in Water Treatment - a Review

Yu-Dan Dong et al.

Summary: This review highlights the potential value of cellulose in environmental and biomedical fields, as well as the modification and applications of cellulose-carbon composites; it discusses the potential advantages and challenges of these composites in water treatment.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Chemistry, Multidisciplinary

Super-assembled highly compressible and flexible cellulose aerogels for methylene blue removal from water

Mingfu Luo et al.

Summary: Cellulose aerogels with high mechanical strength and good adsorption performance are promising materials for addressing methylene blue pollution in dyeing wastewater.

CHINESE CHEMICAL LETTERS (2021)

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Article Chemistry, Applied

Robust and porous 3D-printed multifunctional hydrogels for efficient removal of cationic and anionic dyes from aqueous solution

Jamileh Shojaeiarani et al.

Summary: A porous multi-layered nanocomposite hydrogel featuring selective adsorption of organic dyes has been developed via 3D printing. The surface charge of the hydrogel has a predominant effect on the porous structure, with layers of opposite charges showing different pore characteristics.

MICROPOROUS AND MESOPOROUS MATERIALS (2021)

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Article Biochemistry & Molecular Biology

Enhancing Removal of Cr(VI), Pb2+, and Cu2+ from Aqueous Solutions Using Amino-Functionalized Cellulose Nanocrystal

Qinghua Xu et al.

Summary: In this study, amino-functionalized cellulose nanocrystals (ACNC) were prepared using a green method and applied for the adsorption of Cr(VI), Pb2+, and Cu2+ from aqueous solutions. The ACNCs showed promising adsorption capacities for all three heavy metal ions, following pseudo second-order kinetics and Sips adsorption isotherms.

MOLECULES (2021)

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Article Biochemistry & Molecular Biology

Excellent selectivity and high capacity of As (V) removal by a novel lignin-based adsorbent doped with N element and modified with Ca2+

Xiaofeng Shi et al.

Summary: A novel nitrogen-doped lignin-based adsorbent, Ca@N-Lig, was prepared in this study, showing high adsorption capacity, excellent selectivity, and remarkable regeneration ability for As(V) adsorption. This study provides an efficient way to remove As(V) from polluted water.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Engineering, Chemical

Preparation of Mg,N-co-doped lignin adsorbents for enhanced selectivity and high adsorption capacity of As (V) from wastewater

Xiaofeng Shi et al.

Summary: A novel lignin-based adsorbent was prepared by doping with N and modifying with Mg2+ to enhance selectivity and capacity for As (V) oxyanion. The adsorbent showed high selectivity and excellent reusability for As (V), with a maximum adsorption capacity of 687.46 mg g(-1) achieved within 30 minutes. This study offers a new technology for As (V) adsorption from wastewater and provides a novel idea for the recycle of waste from the paper industry.

PARTICUOLOGY (2021)

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Article Chemistry, Multidisciplinary

Construction of a hybrid graphene oxide/nanofibrillated cellulose aerogel used for the efficient removal of methylene blue and tetracycline

Zhongguo Wang et al.

Summary: A composite graphene oxide/nanocellulose aerogel was prepared by dispersing cellulose nanofibrils into GO nanosheets. The aerogel showed high adsorption capacity and efficient removal of methylene blue and tetracycline, with good recyclability. The adsorption mechanism was mainly attributed to electrostatic attraction and pi-pi interactions.

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS (2021)

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Article Environmental Sciences

Efficient reclaiming phosphate from aqueous solution using waste limestone modified sludge biochar: Mechanism and application as soil amendments

Junbing Xue et al.

Summary: A novel limestone-modified biochar was prepared to reclaim phosphorus, showing excellent adsorption performance. Characterization analysis confirmed that electrostatic attraction, surface complexation, and precipitation were the dominant mechanisms of phosphate adsorption. The P-laden biochar can be utilized as a slow-release P fertilizer, promoting plant growth.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Review Environmental Sciences

Engineered biochars for recovering phosphate and ammonium from wastewater: A review

Muhammad Bilal Shakoor et al.

Summary: Biochar has been intensively studied for its potential applications in agricultural and environmental fields, particularly in recovering nutrients from wastewater. Engineered biochar with enhanced properties has been developed for better adsorption potential of nutrients in wastewater, and various modification methods have been reviewed for improving its adsorption capacity. The future prospects of using engineered biochar for phosphate and ammonium recovery from wastewater are promising, indicating its potential for sustainable and cost-effective nutrient recovery.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Materials Science, Paper & Wood

Comparative assessment of cellulose nanofibers and calcium alginate beads for continuous Cu(II) adsorption in packed columns: the influence of water and surface hydrophobicity

Nuria Fiol et al.

Summary: This study aimed at developing an effective Cu(II) adsorption system based on TEMPO-oxidized cellulose nanofibers (CNFs), resulting in significantly higher adsorption rate of CNFs compared to calcium alginate beads. However, calcium alginate beads exhibited higher adsorption capacity due to the higher carboxyl content and ion exchange capacity.

CELLULOSE (2021)

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Article Engineering, Environmental

Bifunctional porous polyethyleneimine-grafted lignin microspheres for efficient adsorption of 2,4-dichlorophenoxyacetic acid over a wide pH range and controlled release

Hongye Wu et al.

Summary: This study proposed the creation of bifunctional porous polyethyleneimine-grafted lignin microspheres for efficient capture and controlled release of herbicides, providing a new approach for the management of herbicide pollution.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Effect of agitation mode (mechanical, ultrasound and microwave) on uranium sorption using amine- and dithizone-functionalized magnetic chitosan hybrid materials

Khalid Z. Elwakeel et al.

Summary: By using activated magnetic chitosan nanoparticles, the sorption of U(VI) at around pH 5 was improved, especially when employing ultrasonic treatment at the highest frequency, indicating enhanced sorption efficiency.

CHEMICAL ENGINEERING JOURNAL (2021)

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Review Biochemistry & Molecular Biology

Lignin-derived (nano)materials for environmental pollution remediation: Current challenges and future perspectives

Mohaddeseh Sajjadi et al.

Summary: The supply of affordable and clean drinking water is a crucial global environmental issue, and research is being done on utilizing biomass-derived biosorbents like lignin to remove contaminants effectively. Future efforts should focus on improving the economic viability of low-cost, green lignin-derived materials for broader applications in water treatment. Production of functionalized lignin and lignin-supported nanomaterials is a promising approach in nanotechnology for wastewater treatment.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Green & Sustainable Science & Technology

Synthesis of novel lignosulfonate-modified graphene hydrogel for ultrahigh adsorption capacity of Cr(VI) from wastewater

Yongchang Sun et al.

Summary: A novel lignosulfonate-modified graphene hydrogel (LGH) was successfully prepared to efficiently remove Cr(VI) from aqueous solution. LGH exhibited excellent adsorption performance and reusability, showing great potential for high-concentration heavy metal polluted wastewater treatment.

JOURNAL OF CLEANER PRODUCTION (2021)

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Review Green & Sustainable Science & Technology

A review on cleaner approach for effective separation of toxic pollutants from wastewater using carbon Sphere ' s as adsorbent: Preparation, activation and applications

R. Sivaranjanee et al.

Summary: Carbon spheres are widely recognized for their excellent carbonaceous source and remarkable adsorption capacity. The hydrothermal method is commonly used for synthesizing carbon spheres due to its mild conditions and environmental friendliness. This method is known for its simplicity, moderate reaction conditions, simple procedure, and natural agreeableness.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Engineering, Environmental

Constructing MoS2/Lignin-derived carbon nanocomposites for highly efficient removal of Cr(VI) from aqueous environment

Haijun Chen et al.

Summary: A two-step approach was reported to synthesize MoS2/Lignin-derived Carbon (MoS2@LDC) nanocomposites for efficient removal of Cr(VI) from aqueous solutions, achieving a removal efficiency of 99.35% in 30 minutes through both adsorption and reduction pathways. Hydrogen plasma treatments further enhanced the reduction activity of MoS2@LDC, improving its performance for heavy metal remediation in aquatic environments.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Eco-friendly Chitosan Condensation Adduct Resins for Removal of Toxic Silver Ions from Aqueous Medium

Hadeel G. El-Shorbagy et al.

Summary: A simple and economical method for modifying chitosan based on non-catalytic direct condensation reaction with phenolic acids has been developed, producing new resins with efficient silver ions adsorption capabilities. The newly developed resins showed excellent removal of toxic silver ions from aqueous medium and demonstrated good re-use ability.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2021)

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Article Engineering, Environmental

Lignin-Based Magnetic Nanoparticle Adsorbent for Diclofenac Sodium Removal: Adsorption Behavior and Mechanisms

Xiaoxia Ye et al.

Summary: LMNA, a lignin-based magnetic nanoparticle adsorbent, was synthesized by loading a magnetic core onto alkali lignin, showing excellent adsorption capacity for diclofenac sodium and high reusability. The adsorption performance of LMNA was attributed to a combination of electrostatic attractions, pi-pi stacking interactions, and hydrogen bonding interactions. The high magnetic saturation strength of LMNA allowed for easy recycling, making it a promising material for wastewater treatment.

JOURNAL OF POLYMERS AND THE ENVIRONMENT (2021)

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Article Chemistry, Applied

Highly efficient and sustainable alginate/carboxylated lignin hybrid beads as adsorbent for cationic dye removal

Jong-Chan Kim et al.

Summary: The study involved the preparation of chemically modified lignin and alginate hybrid adsorbents for efficient removal of cationic dyes. The encapsulation of carboxylated lignin into alginate beads resulted in higher methylene blue removal capacity due to the introduction of carboxylated anions. The Alg/C-Lig beads exhibited a high monolayer maximum adsorption capacity and stable adsorption efficiency even after multiple adsorption/desorption cycles, making them a promising candidate for dye wastewater purification.

REACTIVE & FUNCTIONAL POLYMERS (2021)

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Article Environmental Sciences

Regenerablemagnetic aminated lignin/Fe3O4/La(OH)3 adsorbents for the effective removal of phosphate and glyphosate

Changsong Li et al.

Summary: The regenerable magnetic AL/Fe3O4/La(OH)(3) adsorbents showed high adsorption capacities for phosphate and glyphosate, with Fe3O4 and La(OH)(3) enhancing the adsorption process. The adsorbents can be rapidly separated with an external magnetic field due to the magnetic properties of Fe3O4, and 89% of the adsorption capacity remained after four adsorption-desorption cycles, indicating their potential for effective and reusable phosphate and glyphosate removal.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Chemistry, Applied

Recent advances in lignocellulose prior-fractionation for biomaterials, biochemicals, and bioenergy

Xiaojun Shen et al.

Summary: Lignocellulosic biomass is considered the best candidate for producing biomaterials, biochemicals, and bioenergy due to over-consumption of fossil resources and environmental problems. Efficient and green fractionation of lignocellulose components can greatly enhance high-value utilization and biorefinery development, but the heterogeneity of lignocellulosic structure poses challenges to this process. Through strategies such as cellulose-first, hemicelluloses-first, and lignin-first fractionation, selective dissociation and transformation of components in lignocellulose can be achieved, offering both challenges and opportunities for biorefining valorization.

CARBOHYDRATE POLYMERS (2021)

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Article Engineering, Environmental

Functionalized lignin-based magnetic adsorbents with tunable structure for the efficient and selective removal of Pb(II) from aqueous solution

Xuan Zhou et al.

Summary: This study demonstrates the tunable covalent binding of lignin onto amine-functionalized magnetic nanoparticles for the removal of heavy metal pollutants from wastewater. The synthesized lignin-based magnetic adsorbents showed different adsorption performance towards Pb(II) with varying ratios of AMNP/lignin. The magnetic cores in the network facilitated the fast recovery of the magnetic adsorbents after the adsorption process, with good superparamagnetic properties.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Lignin-based few-layered graphene-encapsulated iron nanoparticles for water remediation

Xuefeng Zhang et al.

Summary: This study synthesized lignin-derived FLG@Fe-0 particles with excellent stability and adsorption performance for water remediation, showing high uptake capacities for Pb(II), As(III), phosphate, and nitrate. The innovative adsorbent could offer a green and economic alternative to traditional nZVI adsorbents.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Environmental Sciences

Fabrication of cylindrical 3D cellulose nanofibril(CNF) aerogel for continuous removal of copper(Cu2+) from wastewater

Hye-Jin Hong et al.

Summary: The synthesized PEI@CNF aerogel efficiently separates Cu2+ from wastewater and exhibits outstanding selectivity for Cu2+ in the presence of other metal ions. The aerogel's flexible CNF scaffold and rigid PEI result in excellent wet stability, shape recovery property and recycle ability. The PEI@CNF aerogel treats 88 bed volumes of wastewater containing Cu2+, demonstrating its practical viability and high efficiency as a bio-sorbent.

CHEMOSPHERE (2021)

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Article Chemistry, Physical

Cr(VI) removal by cellulose-based composite adsorbent with a double-network structure

Yanbo Pei et al.

Summary: The cellulose-based composite adsorbent PEI-PAM-CF, featuring a double-network structure and blue fluorescence, demonstrated synergistic effects in removing low concentrations of Cr(VI) and exhibited good regeneration performance. The electrostatic adsorption mechanism between Cr(VI) and PEI-PAM-CF was revealed through reversible fluorescence phenomenon and DFT calculation, showing potential for treating Cr(VI)-containing wastewater at low concentrations.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2021)

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Article Agricultural Engineering

Lignin-based adsorbent materials for metal ion removal from wastewater: A review

Paola Santander et al.

Summary: Water is essential for life on earth, and its decontamination is crucial. Lignin, as an environmentally friendly adsorbent material, can be modified to interact with metal ions, improving the removal efficiency of heavy metal ions.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Review Agricultural Engineering

The potential of biochar and lignin-based adsorbents for wastewater treatment: Comparison, mechanism, and application?A review

Yongchang Sun et al.

Summary: Research on the potential of biochar and lignin in wastewater treatment, enhancement of their adsorption efficiency, analysis of adsorption mechanisms, and discussion on their potential and challenges in pollution remediation and industrial application are necessary for further advancements.

INDUSTRIAL CROPS AND PRODUCTS (2021)

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Article Biochemistry & Molecular Biology

Facile fabrication and characterization of kraft lignin@Fe3O4 nanocomposites using pH driven precipitation: Effects on increasing lignin content

Frankie A. Petrie et al.

Summary: This work presents a facile method for fabricating lignin nanocomposites by assembling kraft lignin onto magnetic nanoparticles through pH-driven precipitation. The fabricated nanocomposites exhibit high lignin coverage and content, superparamagnetic properties, and multicore nanostructures, allowing rapid magnetically induced separations and efficient removal of organic dyes such as methylene blue. These nanocomposites have potential applications in removing organic dyes, heavy metals, and other lignin adsorbates using magnetically induced separations.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2021)

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Article Chemistry, Multidisciplinary

Critical Roles of the Oxygen-Containing Functional Groups via β-O-4 Lignin Linkage Hydrogenolysis over Copper Catalysts

Xiangchen Kong et al.

Summary: This study explores the interaction between lignin and Cu active species in the catalytic beta-O-4 lignin linkage hydrogenolysis, highlighting the crucial roles of C-alpha-OH and C-alpha=O in the aliphatic chain, and the hindrance of bond cleavage caused by methoxyl groups attached to aromatic rings due to steric effects.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Article Chemistry, Multidisciplinary

Microwave-Assisted Sulfonation of Lignin for the Fabrication of a High-Performance Dye Dispersant

Xiao Xiao et al.

Summary: The study found that 1,4-butanesultone was the most effective sulfonation reagent for lignin, producing a sulfonated product with high molecular weight and sulfonic group content, enhancing dispersibility and improving dyeing rate. The sulfonation by 1,4-butanesultone can decrease the phenolic hydroxyl content of lignin, preventing the adsorption of the dispersant on fibers and reducing fiber staining during dyeing process.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Article Chemistry, Multidisciplinary

Fabrication of Reusable Carboxymethyl Cellulose/Graphene Oxide Composite Aerogel with Large Surface Area for Adsorption of Methylene Blue

Wei Zhu et al.

Summary: An efficient adsorbent for methylene blue adsorption was developed by combining carboxymethyl cellulose and graphene oxide through a simple hydrothermal method. The composite aerogel showed high specific surface area and excellent recyclability, with significant selectivity for methylene blue adsorption.

NANOMATERIALS (2021)

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Review Engineering, Environmental

Cellulose-based nanomaterials for water and wastewater treatments: A review

Anwar J. Sayyed et al.

Summary: This article introduces the research progress of cellulose-based nanomaterials for wastewater purification, emphasizing their effectiveness in removing pollutants and the importance of sustainable use of natural materials.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Engineering, Environmental

Ammonia-assisted hydrothermal carbon material with schiff base structures synthesized from factory waste hemicelluloses for Cr(VI) adsorption

Yi Wei et al.

Summary: Nitrogen doping hydrothermal carbon material (NHTC) is an important metal ion adsorbent. In this work, NHTC with Schiff base structures (NHTC-SBS) was successfully synthesized via ammonia-assisted hydrothermal treatment of industrial hemicelluloses and used for the adsorption of toxic hexavalent chromium Cr(VI). The adsorption of Cr(VI) on NHTC-SBS mainly depended on electrostatic attraction, redox, and chelation between nitrogen-containing groups (amino, Schiff base structures, heterocyclic nitrogen) and Cr(VI), with a high adsorption capacity achieved according to Langmuir isotherm model under certain conditions.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Materials Science, Paper & Wood

Robust and lightweight biofoam based on cellulose nanofibrils for high-efficient methylene blue adsorption

Beili Lu et al.

Summary: Robust and ultralight biofoams were successfully prepared using cellulose nanofibrils (CNFs) as the matrix. The addition of gelatin significantly improved the mechanical properties and stability of the foams.

CELLULOSE (2021)

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Article Polymer Science

Fabrication of pristine-multiwalled carbon nanotubes/cellulose acetate composites for removal of methylene blue

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Recovery of Chromium(VI) Oxyanions from Aqueous Solution Using Cu(OH)2 and CuO Embedded Chitosan Adsorbents

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Fabrication of core-shell structured magnetic nanocellulose base polymeric ionic liquid for effective biosorption of Congo red dye

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A lignosulfonate-modified graphene hydrogel with ultrahigh adsorption capacity for Pb(II) removal

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Comparison between the removal of Reactive Black 5 from aqueous solutions by 3-amino-1,2,4 triazole, 5-thiol and melamine grafted chitosan prepared through four different routes

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Preparation and adsorption property of xylan/poly(acrylic acid) magnetic nanocomposite hydrogel adsorbent

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Cellulose nanocrystal-alginate hydrogel beads as novel adsorbents for organic dyes in aqueous solutions

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Selective removal of Hg(II) from aqueous solution by functionalized magnetic-macromolecular hybrid material

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Processing methods, characteristics and adsorption behavior of tire derived carbons: A review

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Cationic hemicellulose-based hydrogels for arsenic and chromium removal from aqueous solutions

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Preparation and characterization of activated carbon from pine cone by microwave-induced ZnCl2 activation and its effects on the adsorption of methylene blue

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Development of novel chitosan-lignin composites for adsorption of dyes and metal ions from wastewater

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Microwave-Assisted Preparation of Inorganic Nanostructures in Liquid Phase

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Synthesis and properties of hemicelluloses-based semi-IPN hydrogels

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Adsorption of lead ions using a modified lignin hydrogel

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Thiol-modified cellulose nanofibrous composite membranes for chromium (VI) and lead (II) adsorption

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Removal of heavy metals from aqueous solutions by succinic anhydride modified mercerized nanocellulose

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Preparation, characterization and application of lignin-based activated carbon from black liquor lignin by steam activation

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Deconstruction of lignocellulosic biomass with ionic liquids

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Graphene Oxide: Preparation, Functionalization, and Electrochemical Applications

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Catalytic Steam Gasification of Biomass: Catalysts, Thermodynamics and Kinetics

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High effective adsorption of organic dyes on magnetic cellulose beads entrapping activated carbon

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Recovery of gold(III), palladium(II), and platinum(IV) by aminated lignin derivatives

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