One-pot synthesis of Ca-based magnetic hydrochar derived from consecutive hydrothermal and pyrolysis processing of bamboo for high-performance scavenging of Pb(II) and tetracycline from water

Article Engineering, Environmental

Effective lead passivation in soil by bone char/CMC-stabilized FeS composite loading with phosphate-solubilizing bacteria

Jianhua Qu et al.

Summary: The designed composite CFB1-P showed high efficiency in passivating Pb(II) through combined functions and has the potential to be an efficient alternative for remediating Pb-contaminated soil.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Environmental Sciences

Adsorption of metolachlor by a novel magnetic illite-biochar and recovery from soil

Lu Liu et al.

Summary: The study demonstrated that illite and FeCl3 modified biochar (IMBC) showed higher adsorption efficiency in removing MET from soil and exhibited good recyclability. IMBC contained more oxygen-containing functional groups, which contributed to better removal of organic matter through pi-pi interactions.

ENVIRONMENTAL RESEARCH (2022)

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Article Chemistry, Physical

Complexes of Fe(III)-organic pollutants that directly activate Fenton-like processes under visible light

Renli Yin et al.

Summary: The study demonstrates a new cost-effective LMCT activation approach based on internal charge transfers, enabling the transformation of Fe3+ to Fe2+ without the need for additional ligands or agents. This approach significantly enhances the degradation of antibiotic pollutants under visible light compared to conventional methods.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Free-radical and surface electron transfer dominated bisphenol A degradation in system of ozone and peroxydisulfate co-activated by CoFe2O4-biochar

Shuo Li et al.

Summary: The study introduced a composite material CoFe2O4@BC for efficient degradation of bisphenol A in water through a system combining peroxydisulfate activation and catalytic ozonation. The optimal process demonstrated higher reaction kinetics compared to traditional processes, achieving a 95.8% removal rate of bisphenol A and 63.4% TOC removal rate.

APPLIED SURFACE SCIENCE (2021)

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Article Agricultural Engineering

Enhanced phosphate scavenging with effective recovery by magnetic porous biochar supported La(OH)3: Kinetics, isotherms, mechanisms and applications for water and real wastewater

Ying Zhang et al.

Summary: La-3-MPBC is a successful synthesis of La(OH)(3) coated magnetic porous biochar through KHCO3 activation and hydrothermal processes. It shows excellent phosphate adsorption capacity, stability under interference ions, and can be easily separated by magnet force without leakage of La and Fe.

BIORESOURCE TECHNOLOGY (2021)

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Article Engineering, Environmental

KOH-activated porous biochar with high specific surface area for adsorptive removal of chromium (VI) and naphthalene from water: Affecting factors, mechanisms and reusability exploration

Jianhua Qu et al.

Summary: A high-performance porous biochar (PBCKOH) was successfully synthesized through KOH chemical activation, showing excellent adsorption performance for both Cr(VI) and NAP in water treatment. The PBCKOH achieved high uptake capacities for both contaminants and exhibited multiple kinetics during the adsorption process. The enhanced adsorption of Cr(VI) was mainly attributed to electrostatic attraction, complexation, ion exchange, and reduction actions, while the high NAP uptake was achieved through pore filling and π-π stacking interactions.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Environmental Sciences

Microwave-assisted synthesis of β-cyclodextrin functionalized celluloses for enhanced removal of Pb(II) from water: Adsorptive performance and mechanism exploration

Jianhua Qu et al.

Summary: In this study, beta-cyclodextrin was efficiently grafted onto rice husk-based celluloses using microwave irradiation, leading to fast adsorption equilibrium and superior reusability for Pb(II) removal. The synthesized adsorbents exhibited excellent adsorption capacities and could effectively purify acid battery effluent containing Pb(II), showing great potential for tailored adsorbents development in wastewater treatment.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Engineering, Environmental

Machine learning for the selection of carbon-based materials for tetracycline and sulfamethoxazole adsorption

Xinzhe Zhu et al.

Summary: This study developed machine learning models to predict tetracycline and sulfamethoxazole adsorption on carbon-based materials, with random forest outperforming other methods. Specific surface area was found to play a critical role in adsorption, while other material properties had varying influences.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Enhanced elemental mercury removal via chlorine-based hierarchically porous biochar with CaCO3 as template

Qiqi Shi et al.

Summary: Mercury emission from coal-fired flue gas poses a threat to the environment, prompting the development of more effective and affordable sorbents as alternatives to commercial activated carbon for mercury removal. In this study, a hierarchical porous biochar was prepared through co-pyrolysis of waste rice straw and polyvinyl chloride with CaCO3, exhibiting over 90% capture performance for Hg-0. The high efficiency of the sorbent can be attributed to the synergistic effect of high chlorine-containing active sites and developed hierarchically pores.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Environmental Sciences

Sorption of diethyl phthalate and cadmium by pig carcass and green waste-derived biochars under single and binary systems

Hanbo Chen et al.

Summary: This study investigated the impact of plant- and animal-derived biochar on the competitive sorption-desorption of potentially toxic elements (PTEs) and phthalic acid esters (PAEs) in soils with different organic carbon content. The sorption behavior was influenced by biochar type, application dose, and soil organic carbon content. Additionally, the reciprocal effect between DEP and Cd2+ was found to be a crucial factor affecting their sorption/desorption behavior by biochar, with pig carcass biochar showing greater efficacy in metal/DEP immobilization.

ENVIRONMENTAL RESEARCH (2021)

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Article Green & Sustainable Science & Technology

Ionic liquid-multi walled carbon nanotubes composite tablet for continuous adsorption of tetracyclines and heavy metals

Chen Chen et al.

Summary: A new composite tablet consisting of ionic liquid and multi-walled carbon nanotubes was prepared for the continuous adsorption of tetracyclines and heavy metal ions. The tablet showed high adsorption efficiency and could be recycled efficiently.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Engineering, Environmental

Green synthesis of hydrophilic activated carbon supported sulfide nZVI for enhanced Pb(II) scavenging from water: Characterization, kinetics, isotherms and mechanisms

Jianhua Qu et al.

Summary: In this study, green tea extracts were used as a reductant for the green synthesis of nZVI with low aggregation and high antioxidation, which was further modified with hydrophilic porous activated carbon and sulfidation technology. The results indicated the successful preparation of porous activated carbon with microporous and mesoporous characteristics and effective loading of S-nZVI nanoparticles. The S-nZVI@HPAC showed excellent pH-dependent adsorption performance for Pb(II) with fast kinetic equilibrium and outstanding binding capacity.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

Facile synthesis of Ag2O/ZnO/rGO heterojunction with enhanced photocatalytic activity under simulated solar light: Kinetics and mechanism

Peng Xu et al.

Summary: Ag2O/ZnO/rGO heterojunction photocatalysts were synthesized for efficient removal of bisphenol A under simulated solar light. Ag doping and loading on rGO significantly improved the separation efficiency of electron-hole pairs, resulting in enhanced photocatalytic performance. The materials exhibited excellent photostability and pH adaptability, showing great potential for application in degrading emerging organic pollutants in wastewater.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Physical

Adsorption of antibiotics from water by using Chinese herbal medicine residues derived biochar: Preparation and properties studies

Honggang Wang et al.

Summary: The rapid increase in residue of Chinese herbs from Traditional Chinese Medicine has raised concerns over potential pollution to water and soil. This study demonstrates that biochar derived from Chinese herbal medicine residue can be effectively used as an adsorbent to remove antibiotics pollutants from wastewater.

JOURNAL OF MOLECULAR LIQUIDS (2021)

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Article Environmental Sciences

Variations of heavy metals, nutrients, POPs and particle size distribution during sludge anaerobic digestion-solar drying-land utilization process: Case study in China

Yiqun Guo et al.

Summary: The study investigated the variations of multiple substances and particle size distribution during the sludge treatment process, demonstrating the positive effect of anaerobic digestion on the removal of pollutants. The degradation of extracellular polymers led to the deterioration of sludge dewatering performance. Changes in nutrients and water content during solar drying were beneficial for subsequent land utilization of the sludge product.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Engineering, Environmental

Near-infrared light to heat conversion in peroxydisulfate activation with MoS2: A new photo-activation process for water treatment

Renli Yin et al.

Summary: The use of molybdenum disulphide in the activation of peroxydisulfate under near infrared light irradiation showcases the potential of light-to-heat conversion for environmental remediation. The observed reaction rates and proposed mechanism indicate a significant enhancement in efficiency and a new pathway towards pollution control. The development of a flexible photothermal membrane for practical application further demonstrates the possibilities for utilizing solar energy and novel approaches in environmental cleanup.

WATER RESEARCH (2021)

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Article Environmental Sciences

Strong adsorption of metolachlor by biochar prepared from walnut shells in water

Lu Liu et al.

Summary: This study compared the removal of metolachlor by biochars prepared from walnut shells, cow dung, and corn cobs, with walnut shell biochar showing the highest removal rate. The adsorption of metolachlor by biochars may be influenced by electron donor-acceptor interactions and pore filling. These findings could help further investigations into the adsorption mechanism and process optimization.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Environmental Sciences

Preparation of magnetic hydrochar derived from iron-rich Phytolacca acinosa Roxb. for Cd removal

Tao Liu et al.

Summary: This study successfully obtained magnetic nano-Fe3O4 hydrochar from iron-rich plants for efficient removal of Cd contamination, demonstrating multiple Cd adsorption mechanisms through adsorption process.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Environmental Sciences

Structural dependent Cr(VI) adsorption and reduction of biochar: hydrochar versus pyrochar

Na Chen et al.

Summary: This study compared the Cr(VI) removal processes of hydrochar and pyrochar in dark and under simulated sunlight, revealing that hydrochar showed higher Cr(VI) reduction percentage through direct surface electron reduction and indirect solution O-2(-) reduction pathways compared to pyrochar. The different Cr(VI) reduction pathways were attributed to the structural dependent Cr(VI) adsorption models of hydrochar and pyrochar, suggesting an efficient Cr(VI) removal strategy with sunlight and hydrochar.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Engineering, Environmental

Comparison of acidic leaching using a conventional and ultrasound-assisted method for preparation of magnetic-activated biochar

Diana R. Lima et al.

Summary: The study prepared four different magnetic biochars using a combination of Sappeli sawdust with NiCl2 or NiCl2 plus ZnCl2 solutions and a leaching process assisted by ultrasound. The biochars showed good magnetization saturation and lower leaching time compared to conventional methods. The addition of zinc chloride increased the surface areas of the biochars, influencing their sorption capacities for various sorbing species.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Engineering, Environmental

New use for biochar derived from bovine manure for tetracycline removal

Jiawei Zhao et al.

Summary: The study investigated the physicochemical properties of bovine manure biochar obtained at different temperatures and their adsorption of tetracycline. The results showed that both BC-500 and BC-700 had high TC removal rates, with different maximum adsorption capacities, and were well described by pseudo-second order kinetics. Even after multiple cycles, the biochar still maintained satisfactory removal efficiencies, mainly through hydrophobic interactions and pi-pi electron donor acceptor interactions.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Engineering, Environmental

Waste-derived compost and biochar amendments for stormwater treatment in bioretention column: Co-transport of metals and colloids

Yuqing Sun et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Engineering, Environmental

Synergistic removal of copper and tetracycline from aqueous solution by steam-activated bamboo-derived biochar

Rong-Zhong Wang et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Engineering, Environmental

Single-step pyrolysis for producing magnetic activated carbon from tucuma (Astrocaryum aculeatum) seed and nickel(II) chloride and zinc(II) chloride. Application for removal of nicotinamide and propanolol

Pascal S. Thue et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Engineering, Environmental

One-pot hydrothermal synthesis of NaLa(CO3)2 decorated magnetic biochar for efficient phosphate removal from water: Kinetics, isotherms, thermodynamics, mechanisms and reusability exploration

Jianhua Qu et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Article Agricultural Engineering

Activated hydrochar produced from brewer's spent grain and its application in the removal of acetaminophen

Thiago Peixoto de Araujo et al.

BIORESOURCE TECHNOLOGY (2020)

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Review Green & Sustainable Science & Technology

Utilization of biochar for the removal of nitrogen and phosphorus

Yingjie Dai et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Engineering, Environmental

Tailored design of graphitic biochar for high-efficiency and chemical-free microwave-assisted removal of refractory organic contaminants

Yuqing Sun et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Article Engineering, Chemical

Degradation of polyacrylamide in an ultrasonic-Fenton-like process using an acid-modified coal fly ash catalyst

Nannan Wang et al.

POWDER TECHNOLOGY (2020)

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Review Environmental Sciences

The application of microwaves in sulfate radical-based advanced oxidation processes for environmental remediation: A review

Limin Hu et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2020)

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Review Engineering, Environmental

Leachability and adverse effects of coal fly ash: A review

Nannan Wang et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Environmental Sciences

Novel oxone treated hydrochar for the removal of Pb(II) and methylene blue (MB) dye from aqueous solutions

Sunith Madduri et al.

CHEMOSPHERE (2020)

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Article Agricultural Engineering

Removal of tetracycline with aluminum boride carbide and boehmite particles decorated biochar derived from algae

Nooria Chabi et al.

BIORESOURCE TECHNOLOGY (2020)

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Article Environmental Sciences

Multifunctional iron-biochar composites for the removal of potentially toxic elements, inherent cations, and hetero-chloride from hydraulic fracturing wastewater

Yuqing Sun et al.

ENVIRONMENT INTERNATIONAL (2019)

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Article Engineering, Environmental

Waste-wood-derived biochar cathode and its application in electro-Fenton for sulfathiazole treatment at alkaline pH with pyrophosphate electrolyte

Fengxia Deng et al.

JOURNAL OF HAZARDOUS MATERIALS (2019)

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Review Engineering, Environmental

Adsorption mechanism of hexavalent chromium onto layered double hydroxides-based adsorbents: A systematic in-depth review

Hai Nguyen Tran et al.

JOURNAL OF HAZARDOUS MATERIALS (2019)

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Article Chemistry, Physical

A biochar modified nickel-foam cathode with iron-foam catalyst in electro-Fenton for sulfamerazine degradation

Fengxia Deng et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2019)

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Article Engineering, Environmental

Multi-component adsorption of Pb(II), Cd(II) and Ni(II) onto microwave-functionalized cellulose: Kinetics, isotherms, thermodynamics, mechanisms and application for electroplating wastewater purification

Jianhua Qu et al.

JOURNAL OF HAZARDOUS MATERIALS (2019)

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Article Environmental Sciences

New use for spent coffee ground as an adsorbent for tetracycline removal in water

Yingjie Dai et al.

CHEMOSPHERE (2019)

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Article Chemistry, Physical

A critical review of the estimation of the thermodynamic parameters on adsorption equilibria. Wrong use of equilibrium constant in the Van't Hoof equation for calculation of thermodynamic parameters of adsorption

Eder C. Lima et al.

JOURNAL OF MOLECULAR LIQUIDS (2019)

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Article Engineering, Environmental

Remediation of As(III) and Cd(II) co-contamination and its mechanism in aqueous systems by a novel calcium-based magnetic biochar

Jizi Wu et al.

JOURNAL OF HAZARDOUS MATERIALS (2018)

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Article Chemistry, Applied

Hierarchical porous carbon activated by CaCO3 from pigskin collagen for CO2 and H-2 adsorption

Ang Gao et al.

MICROPOROUS AND MESOPOROUS MATERIALS (2018)

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Article Chemistry, Inorganic & Nuclear

Macroscopic and microscopic investigation of uranium elimination by Ca-Mg-Al-layered double hydroxide supported nanoscale zero valent iron

Hongwei Pang et al.

INORGANIC CHEMISTRY FRONTIERS (2018)

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Article Agricultural Engineering

Adsorption and one-step degradation-regeneration of 4-amino-5hydroxynaphthalene-2,7-disulfonic acid using biochar-based BiFeO3 nanocomposites

Shuo Li et al.

BIORESOURCE TECHNOLOGY (2017)

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Article Agricultural Engineering

Biochars with excellent Pb(II) adsorption property produced from fresh and dehydrated banana peels via hydrothermal carbonization

Nan Zhou et al.

BIORESOURCE TECHNOLOGY (2017)

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Article Chemistry, Physical

Preparation of novel adsorbents based on combinations of polysiloxanes and sewage sludge to remove pharmaceuticals from aqueous solutions

Glaydson Simoes dos Reis et al.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2016)

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Article Engineering, Environmental

Enhanced adsorption performance of tetracycline in aqueous solutions by methanol-modified biochar

Xiang-Rong Jing et al.

CHEMICAL ENGINEERING JOURNAL (2014)

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Article Engineering, Environmental

Mutual Effects of Pb(II) and Humic Acid Adsorption on Multiwalled Carbon Nanotubes/Polyacrylamide Composites from Aqueous Solutions

Shubin Yang et al.

ENVIRONMENTAL SCIENCE & TECHNOLOGY (2011)

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One-pot synthesis of Ca-based magnetic hydrochar derived from consecutive hydrothermal and pyrolysis processing of bamboo for high-performance scavenging of Pb(II) and tetracycline from water

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