☆ 4.7 Review

The state-of-the-art development of biochar based photocatalyst for removal of various organic pollutants in wastewater

JOURNAL OF CLEANER PRODUCTION (2023)

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Article Engineering, Environmental

Heterogeneous catalytic activation of persulfate for the removal of rhodamine B and diclofenac pollutants from water using iron-impregnated biochar derived from the waste of black seed pomace

Fryad S. Mustafa et al.

Summary: Waste reutilization in environmental remediation is a new strategy in the scientific community. Industrial biowaste, such as black seed pomace, can be used to produce a low-cost iron-impregnated modified biochar (FeBS800) for environmental remediation. FeBS800 exhibited excellent catalytic activity and stability in activating peroxydisulfate (PDS) for the degradation and mineralization of Rhodamine B (RhB) and Diclofenac (DCF) in water. The FeBS800/PDS system achieved high degradation and mineralization efficiencies for RhB and DCF, with minimal iron ions leaching. The research suggests that FeBS800 has promising potential in removing refractory organic pollutants from water through PDS activation.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2023)

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Article Energy & Fuels

The influence of torrefaction on the biochar characteristics produced from sesame stalks and bean husk

M. Khairy et al.

Summary: Torrefaction improves the uniformity and energy-producing capabilities of biomass. In this study, bean husk and sesame stalks were torrefied at different temperatures and times. The optimal conditions for both materials were achieved at 275 degrees C and 30 minutes.

BIOMASS CONVERSION AND BIOREFINERY (2023)

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Article Engineering, Environmental

Efficient adsorption-photodegradation activity of MoS2 coupling with S, N-codoped porous biochar derived from chitosan

Hao Peng et al.

Summary: S-defected MoS2 coupling with S,N-codoped porous biochar (MoS2/SN-BC) was prepared from chitosan via in-situ sulfuri-zation to enhance the adsorption-photocatalytic activity of biochar in wastewater purification. Compared with S-doped biochar (S-BC) and S,N-codoped biochar (SN-BC), MoS2/SN-BC exhibited better adsorption and photocatalytic activities for tetracycline hydrochloride (TCH). The adsorption-photocatalytic performance of 3-MoS2/SN-BC was slightly reduced after five cycles.

JOURNAL OF WATER PROCESS ENGINEERING (2023)

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Article Engineering, Environmental

Adsorption and photodegradation of reactive red 120 with nickel-iron-layered double hydroxide/biochar composites

Yidan Luo et al.

Summary: A series of NiFe-LDH/biochar (NiFe/BC) composites were fabricated for the removal of anionic dyes from wastewater. The addition of biochar improved the adsorption capacity and photocatalytic ability of NiFe-LDH, with the optimized NiFe/BC2 composite achieving a removal rate of 88.5% under visible light. The photodegradation kinetic constant of NiFe/BC2 was significantly higher than that of NiFe-LDH and biochar.

JOURNAL OF HAZARDOUS MATERIALS (2023)

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Article Environmental Sciences

Treatment of hazardous landfill leachate containing 1,4 dioxane by biochar-based photocatalysts in a solar photo-oxidation reactor

Mahmoud Samy et al.

Summary: This study investigates a combined photocatalytic and adsorption system for efficient removal of 1,4 dioxane from hazardous landfill leachate. Copper/iron doped zinc oxide (Cu-Fe-ZnO) was introduced to biochar to enhance its efficacy. The system achieved high removal efficiency of 1,4 dioxane and produced degradation products like ethylene glycol and organic acids.

JOURNAL OF ENVIRONMENTAL MANAGEMENT (2023)

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Article Chemistry, Physical

Porous spherical Cu2O supported by wood-based biochar skeleton for the adsorption-photocatalytic degradation of methyl orange

Ying Zhang et al.

Summary: In this study, p-type semiconductor Cu2O nanoparticles supported by wood-based biochar (MBC@Cu2O) were prepared for the treatment of dye-containing wastewater. MBC@Cu2O efficiently degraded methyl orange (MO) dye through an adsorption-photocatalytic mechanism, benefiting from the synergistic effects of the wood-based biochar skeleton and Cu2O. The comprehensive results indicate that MBC@Cu2O has great potential as a bifunctional adsorption-based photocatalytic composite for removing anionic azo dyes from wastewater.

APPLIED SURFACE SCIENCE (2023)

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Article Engineering, Environmental

A magnetically separable α-NiMoO4/ZnFe2O4/coffee biochar heterojunction photocatalyst for efficient ketoprofen degradation

Schindra Kumar Ray et al.

Summary: In this study, a novel heterostructure photocatalyst was fabricated and showed high degradation efficiency for ketoprofen under visible light irradiation. The photocatalyst demonstrated excellent stability and degradation abilities, making it a promising candidate for water/wastewater treatment.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Engineering, Environmental

Degradation of nonylphenol ethoxylate 10 in biochar-CoFe2O4/ peroxymonosulfate system: Transformation products identification, catalysis mechanism and influencing factors

Junying Song et al.

Summary: In this study, a peanut shell-based biocharCoFe2O4 catalyst was synthesized using a hydrothermal method. The catalyst showed higher efficiency in degrading NPEO10 compared to biochar and CoFe2O4. The degradation of NPEO10 involved both radical and non-radical pathways, with &BULL;OH being the major contributor.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2023)

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Review Chemistry, Multidisciplinary

Heavy metal pollution in the aquatic environment: efficient and low-cost removal approaches to eliminate their toxicity: a review

Kosar Hikmat Hama Aziz et al.

Summary: Heavy metal contamination of water sources is a global environmental concern due to industrialization, climate change, and urbanization. This pollution threatens aquatic ecosystems and human health through toxic and bioaccumulative heavy metal ions. Efforts have been made to find cost-effective methods for wastewater treatment, such as physicochemical adsorption and advanced oxidation processes. However, practical applications may be limited by high preparation and usage costs. This review focuses on the sources, transformations, toxicological impacts, and removal techniques of heavy metal pollution.

RSC ADVANCES (2023)

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Article Engineering, Environmental

TiO2 supported on rice straw biochar as an adsorptive and photocatalytic composite for the efficient removal of ciprofloxacin in aqueous matrices

Kaijing Qu et al.

Summary: Ciprofloxacin (CIP) is a widely found antibiotic in various types of wastewater and sediments. It is difficult to decompose and harmful to humans. The development of cheap, environmentally friendly, and efficient biochar materials for removing CIP is practical and applicable.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2023)

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Review Engineering, Environmental

Biochar as a novel carbon-negative electron source and mediator: electron exchange capacity (EEC) and environmentally persistent free radicals (EPFRs): a review

Jieming Yuan et al.

Summary: Biochar, as a pyrolysis product of biomass, has been studied for its high adsorption capacity due to its EEC. The EEC formation of biochar is mainly influenced by pyrolysis temperature and feedstock properties, with a focus on their oxygen functional groups.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Environmental Sciences

Facile preparation of a novel modified biochar-based supramolecular self-assembled g-C3N4 for enhanced visible light photocatalytic degradation of phenanthrene

Meixia Lin et al.

Summary: The study successfully designed a novel photocatalytic composite composed of KOH-modified biochar and g-C3N4 with different morphologies. This composite showed high photocatalytic activity in degrading pollutants under visible light radiation and exhibited good stability after multiple cycles of use.

CHEMOSPHERE (2022)

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Article Environmental Sciences

Biochar based photocatalyst for degradation of organic aqueous waste: A review

Shubham Sutar et al.

Summary: This review summarizes the progress of biochar-based photocatalyst in degrading recalcitrant organic waste in aqueous systems over the past five years, highlighting the role of biochar in photocatalytic performance and different modification strategies. Challenges in scaling up and real-time applications in wastewater treatment are also discussed.

CHEMOSPHERE (2022)

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Article Chemistry, Physical

Facile fabrication of Bi2WO6/biochar composites with enhanced charge carrier separation for photodecomposition of dyes

Guangyu Wu et al.

Summary: In this study, Bi2WO6/biochar (BW/BC) photocatalytic composites with 3D hierarchical superstructures were prepared and characterized, showing enhanced photocatalytic activity for RhB degradation under visible light irradiation. The mechanism of enhanced photocatalytic activity for BW/BC composite was attributed to rapid interfacial charge transfer and efficient separation of electron-hole pairs.

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

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Review Environmental Sciences

A critical review on the treatment of dye-containing wastewater: Ecotoxicological and health concerns of textile dyes and possible remediation approaches for environmental safety

Rania Al-Tohamy et al.

Summary: The synthetic dyes used in the textile industry cause pollution in water bodies, which has negative consequences on the environment and human health. It is important to effectively treat dye-containing wastewater using eco-friendly technologies to reduce contamination of aquatic habitats and natural water resources. This review discusses the effects of textile dyes on water bodies, aquatic flora, and human health, and compares various technologies for removing dyes from textile wastewater.

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY (2022)

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Article Engineering, Chemical

Synergy effect between adsorption and heterogeneous photo-Fenton-like catalysis on LaFeO3/lignin-biochar composites for high efficiency degradation of ofloxacin under visible light

Xin Chen et al.

Summary: The LaFeO3/lignin-biochar composites exhibit enhanced adsorption and degradation ability for ofloxacin compared to LaFeO3 nanoparticles. The interaction between lignin-biochar and LaFeO3 nanoparticles reduces the bandgap of the latter, facilitating improved photo-Fenton-like activity. This composite is a promising catalyst for the efficient removal of ofloxacin through a combination of adsorption and photo-Fenton-like processes.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Chemistry, Physical

Preparation of a new green composite based on chitin biochar and ZnFe2O4 for photo-Fenton degradation of Rhodamine B

Nicoly Welter et al.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

Waste biomass-assisted synthesis of TiO2 and N/O-contained graphene- like biochar composites for enhanced adsorptive and photocatalytic performances

Hao Luo et al.

Summary: The study prepared composites of TiO2 and graphene-like biochar (PC) through a biomass-assisted strategy, showing promising photocatalytic performance. Factors such as the graphene-like PC and self-introduced N/O heteroatom in the composites may be key contributors to the enhanced photocatalytic performance.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Review Physics, Applied

A review on optical bandgap engineering in TiO2 nanostructures via doping and intrinsic vacancy modulation towards visible light applications

Radhika Nair et al.

Summary: The engineering of the bandgap in semiconductor nanostructures from ultraviolet to visible is highly significant in various applications. Techniques such as doping, co-doping, and intrinsic vacancy modulation have been found to effectively narrow the bandgap. Titanium dioxide (TiO2) is a well-studied material for UV photocatalysis, and its bandgap can be controlled through the modulation of intrinsic vacancies. Doping and co-doping with metals and non-metals, as well as other techniques, have been found to narrow the bandgap of TiO2. This review focuses on the intrinsic vacancy-modulated bandgap narrowing in TiO2 and covers recent advancements in this field.

JOURNAL OF PHYSICS D-APPLIED PHYSICS (2022)

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Article Environmental Sciences

Fabrication of Ag3PO4/polyaniline-activated biochar photocatalyst for efficient triclosan degradation process and toxicity assessment

Yujing Ma et al.

Summary: The novel biochar/Ag3PO4/polyaniline composite photocatalyst showed excellent photocatalytic activity in efficiently degrading TCS, with synergistic effects of biochar and PANI enhancing the catalytic properties. The study provides a new approach for fabricating photocatalysts with amazing photocatalytic activity using biochar.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Chemistry, Multidisciplinary

Ball-milled synthesis of maize biochar-ZnO nanocomposite (MB-ZnO) and estimation of its photocatalytic ability against different organic and inorganic pollutants

Asif Kamal et al.

Summary: This study optimized and adopted the photocatalysis technique to degrade organic and inorganic pollutants. Biochar with distinctive physicochemical properties was prepared and used to synthesize the photocatalyst MB-ZnO nanocomposite. The performance of MB-ZnO in degrading pollutants was evaluated under different light sources, and it was found that visible light showed the best degradation effect.

JOURNAL OF SAUDI CHEMICAL SOCIETY (2022)

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Article Biochemistry & Molecular Biology

A Review of Titanium Dioxide (TiO2)-Based Photocatalyst for Oilfield-Produced Water Treatment

Hadi Nugraha Cipta Dharma et al.

Summary: Oilfield produced water (OPW) is a major environmental concern due to the high concentration of dissolved organic pollutants. Photodegradation using photocatalysts, particularly titanium dioxide (TiO2), is considered a promising technology for the sustainable treatment of OPW. However, the photoactivity of TiO2 is limited due to its wide band gap and low quantum field. Modification approaches have been explored to enhance the photocatalytic performance of TiO2, improve charge carrier transfer, prevent recombination, and enhance visible light response.

MEMBRANES (2022)

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Article Chemistry, Physical

Construction of Cu-Fe bimetallic oxide/biochar/Ag3PO4 heterojunction for improving photocorrosion resistance and photocatalytic performance achieves efficient removal of phenol

Xianjie Liu et al.

Summary: This study constructed a ternary heterojunction photocatalyst (CuFe2O4/Biochar/Ag3PO4) to inhibit the photocorrosion of Ag3PO4 and enhance its photocatalytic activity. The composite catalyst showed a significantly improved degradation rate compared to pure Ag3PO4, and its photocorrosion resistance was confirmed by XPS, XRD, and cyclic degradation experiments. The enhanced photocorrosion resistance can be attributed to the rapid transfer and consumption of photoelectrons on the Ag3PO4 surface by biochar and CuFe2O4, as well as the protection of Ag+ by the hole-rich region of Ag3PO4.

APPLIED SURFACE SCIENCE (2022)

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Article Environmental Sciences

Novel assembly of BiVO4@N-Biochar nanocomposite for efficient detoxification of triclosan

Xueyu Wei et al.

Summary: This study developed a simple method to prepare BiVO4@N-Biochar catalyst for efficient degradation of TCS in water. Addition of N-Biochar to BiVO4 improved its catalytic performance. The results showed that BiVO4@N-Biochar had a higher degradation efficiency under visible light irradiation, and the biotoxicity of the degradation products was significantly reduced.

CHEMOSPHERE (2022)

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Review Green & Sustainable Science & Technology

A review on conventional and advanced hybrid technologies for pharmaceutical wastewater treatment

Jamiu O. Eniola et al.

Summary: The review highlights the need for innovative approaches to tackle pharmaceutical pollutants in drinking water and wastewater. Conventional treatment methods are limited in their efficiency for removing pharmaceutical pollutants, necessitating the development of new and advanced treatment technologies. Hybrid technology and membrane bioreactors show promise in enhancing the removal efficacy of pharmaceutical pollutants. Future research should focus on the integration of multiple technologies to achieve better removal of pharmaceuticals.

JOURNAL OF CLEANER PRODUCTION (2022)

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Article Chemistry, Multidisciplinary

Integrated adsorptive and photocatalytic degradation of pharmaceutical micropollutant, ciprofloxacin employing biochar-ZnO composite photocatalysts

Muhammad Amir et al.

Summary: In this study, biochar-ZnO composites were synthesized to improve the properties and photocatalytic performance of ZnO. The BCZ-3 composite showed slower recombination of electron-hole pairs, lower band gap, and better light absorption in the visible region compared to ZnO. The photocatalytic degradation efficiency of BCZ-3 was significantly higher than BC and ZnO, with the dominant reactive species being O-2(-) and OH center dot radicals. BCZ-3 also exhibited higher adsorption capacity and could be used as a stable, efficient, economical, and sustainable composite for the recovery of pharmaceutical wastewater.

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY (2022)

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Review Environmental Sciences

The potential of biochar-photocatalytic nanocomposites for removal of organic micropollutants from wastewater

Jemal Fito et al.

Summary: Biochar-photocatalyst nanocomposites are attractive for water and wastewater treatment due to their synergistic effect of adsorption and photocatalysis. These nanocomposites have many advantages, including high photocatalytic activity, mechanical hardness, and thermal stability, making them ideal for photocatalytic applications. However, the industrial application of this technology is still in its early stages.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

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Article Materials Science, Multidisciplinary

Facile synthesis of activated biochar/BiVO4 heterojunction photocatalyst to enhance visible light efficient degradation for dye and antibiotics: applications and mechanisms

Tongtong Wang et al.

Summary: The photocatalytic performance of BiVO4 was enhanced by the use of activated biochar (ACB) and the formation of a heterojunction. ACB-BiVO4 showed excellent degradation and removal efficiency for organic pollutants in water and wastewater, as well as disinfection effects on bacteria. The enhancement mechanism was associated with the presence of ·OH and holes, and the unique structure and surface properties of ACB played a critical role.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2022)

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Article Engineering, Environmental

TiO2-biochar composites as alternative photocatalyst for stormwater disinfection

Yaofeng Xie et al.

Summary: This study investigates the use of TiO2-biochar composites for the disinfection of urban stormwater. The composites exhibit excellent photocatalytic disinfection activity, with hydroxyl radicals and electron deficiencies identified as the key species promoting the process. The composites prepared using biochar produced at 500 degrees C and with TiO2/biochar ratio values 1:4 and 1:2 show the best disinfection performance, durability, and bacteria reactivation control.

JOURNAL OF WATER PROCESS ENGINEERING (2022)

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Article Environmental Sciences

Mechanisms of biochar enhanced Cu2O photocatalysts in the visible-light photodegradation of sulfamethoxazole

Meng-Wei Zheng et al.

Summary: Cu2O nanoparticles decorated with biochars derived from spent coffee grounds (Cu2O/SCG) are used as visible-light-active photocatalysts for the degradation of sulfamethoxazole (SMX). Cu2O/SCG exhibits higher removal efficiency than pristine Cu2O due to its lower charge transfer resistance, faster interfacial electron transfer kinetics, decreased recombination of charge carriers, and superior absorbance of visible light. The band energy shifts and higher carrier density of Cu2O/SCG are responsible for the photocatalytic activity enhancements.

CHEMOSPHERE (2022)

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Article Chemistry, Physical

Solid-phase fabrication of TiO2/Chitosan-biochar composites with superior UV-vis light driven photocatalytic degradation performance

Xiaoqiang Feng et al.

Summary: This study fabricated mesoporous TiO2/Chitosan-biochar (TiO2/CS-biochar) composites with Ti3+ and oxygen vacancies (OVs) defects through a solid-phase co-calcination technique. The composites exhibited excellent photocatalytic activity for the degradation of rhodamine B (RhB) aqueous solution, with a degradation rate constant more than thirty times higher than that of pristine TiO2. The photocatalytic performance depends on the CS-biochar content, photocatalyst dosage, and RhB concentration, especially the CS-biochar content.

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

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Article Engineering, Environmental

Degradation of sulfamethazine using sludge-derived photocatalysts from dyeing industry and livestock farm: preparation and mechanism

Jian Ke et al.

Summary: In this study, industrial and livestock sludge-derived photocatalysts were prepared using a facile pyrolysis coupled ball-milling process without additives. The photocatalysts showed good performance in the removal of sulfamethazine, and economic analysis suggested their suitability for practical applications.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Chemistry, Physical

Photocatalytic degradation of bisphenol A over Co-BiOCl/biochar hybrid catalysts: Properties, efficiency and mechanism

Ting-ting Cao et al.

Summary: Co-BiOCl/biochar hybrid catalysts were synthesized using a hydrothermal process and applied in the photocatalytic degradation of BPA. The results demonstrated that the loading of biochar and doping of cobalt enhanced the catalytic efficiency of BiOCl, leading to efficient removal of BPA.

JOURNAL OF MOLECULAR LIQUIDS (2022)

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Article Chemistry, Physical

Synergistic effect of biochar impregnated with ZnO nano-flowers for effective removal of organic pollutants from wastewater

Mankomal et al.

Summary: This research demonstrates the fabrication and characterization of biochar-supported ZnO nanoparticles, showing excellent degradation efficiency under visible light. The ZnO-Pomegranate biochar with a molar ratio of 1:10 exhibited outstanding removal efficiency for phenol, methylene blue, and Rhodamine B. This study sheds light on the design and preparation of ZnO photocatalysts for water purification and remediation.

APPLIED SURFACE SCIENCE ADVANCES (2022)

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Article Green & Sustainable Science & Technology

Dye Wastewater Treatment Using Wheat Straw Biochar in Gadoon Industrial Areas of Swabi, Pakistan

Muhammad Tariq et al.

Summary: This study successfully reduced the COD and toxic metal concentrations in dye industry wastewater using wheat straw-pyrolyzed biochar. By adjusting the dosage and contact time of the biochar, the COD content was effectively reduced and met the national environmental quality standards. The findings suggest that biochar can be a promising option for improving water quality in dye industry wastewater.

WATER CONSERVATION SCIENCE AND ENGINEERING (2022)

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Article Engineering, Environmental

Biochar waste-based ZnO materials as highly efficient photocatalysts for water treatment

Nuno P. F. Goncalves et al.

Summary: This study used biochar obtained from brewed coffee and chitosan to enhance the photocatalytic properties of ZnO. The addition of biochar in proper amounts significantly improved the efficiency of the catalyst. The non-oxidized biochar showed better performance compared to the oxidized biochar.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2022)

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Article Engineering, Environmental

Facile fabrication of ZnO decorated ZnFe-layered double hydroxides @ biochar nanocomposites for synergistic photodegradation of tetracycline under visible light

Mengxue Li et al.

Summary: A series of ZnO decorated ZnFe-layered double hydroxide @ biochar (ZnO/ZnFe-LDH@BC) nanocomposites were synthesized via a facile hydrothermal method for the treatment of antibiotics-contaminated water using visible light photocatalysis. The nanocomposites showed significant enhancement of degradation efficiency compared to ZnO/ZnFe-LDH or BC alone, indicating strong synergy between ZnO/ZnFe-LDH and BC. The nanocomposite with 23.0 wt% of BC showed optimal performance and alkaline condition and co-existing CO32- ions improved the stability and recyclability of the nanocomposites. LC-MS analysis of the degradation pathway of antibiotics and the reduction in toxicity confirmed the effectiveness of photocatalytic degradation.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

UV-light-induced photocatalytic performance of reusable MnFe-LDO-biochar for tetracycline removal in water

Khawla Abdulmutalib Azalok et al.

Summary: A high-efficiency MnFe-LDO-biochar catalyst was synthesized and effectively removed tetracycline pollution. The catalyst showed excellent degradation performance under UV light and maintained high reuse efficiency after multiple cycles.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2021)

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Article Environmental Sciences

In-situ synthesis of biochar modified PbMoO4: An efficient visible light-driven photocatalyst for tetracycline removal

Zhifen Chen et al.

Summary: Efficient photocatalytic remediation of organic pollutants requires broad-spectrum light response and effective charge separation, which can be achieved through novel biochar (BC) modified PbMoO4 composite catalyst. The optimal composite ratio of PbMoO4 to BC was found to be 1:4, exhibiting enhanced visible light absorption and charge separation efficiency for improved water purification.

CHEMOSPHERE (2021)

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Article Green & Sustainable Science & Technology

Performance and mechanism of biochar-coupled BiVO4 photocatalyst on the degradation of sulfanilamide

Xueqiao Zhang et al.

Summary: A low-cost and efficient novel photocatalyst, biochar-coupled BiVO4 (CBi), was successfully synthesized and characterized in this study. CBi-20% demonstrated optimal photocatalytic performance for the degradation and mineralization of sulfaniamide under visible light irradiation. The results provided specific evidence of the potential photodegradation mechanism.

JOURNAL OF CLEANER PRODUCTION (2021)

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Article Biodiversity Conservation

Sewage pollution, declining ecosystem health, and cross-sector collaboration

Stephanie L. Wear et al.

Summary: The global sanitation crisis not only threatens humans but also impacts the health of ecosystems. Untreated and poorly treated sewage raise concentrations of pollutants in natural ecosystems, requiring attention and collaborative efforts to address this issue effectively.

BIOLOGICAL CONSERVATION (2021)

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Review Environmental Sciences

Preparation of biochar and biochar composites and their application in a Fenton-like process for wastewater decontamination: A review

Xuqin Pan et al.

Summary: Biochar is a carbon-rich material obtained from solid waste pyrolysis, featuring low cost, large specific surface area, and strong adsorption capacity. Biochar composites, produced by loading nano particles onto biochar, have been widely applied in wastewater treatment to enhance the performance of advanced oxidation processes. However, due to the variety of biochar feedstocks and preparation methods, comparing the properties of different biochars can be challenging.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

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Article Chemistry, Multidisciplinary

Pyrolysis Creates Electron Storage Capacity of Black Carbon (Biochar) from Lignocellulosic Biomass

Danhui Xin et al.

Summary: Black carbon such as biochar has the capability of electron storage, but the origin of its electron storage capacity remains unknown. Biochars produced from pyrolysis of biopolymers have a highly reversible ESC, potentially created by converting oxygen-containing moieties of the biopolymers into (hydro)quinones in biochar.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

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Article Engineering, Environmental

Photoinduced synthesis of green photocatalyst Fe3O4/BiOBr/CQDs derived from corncob biomass for carbamazepine degradation: The role of selectively more CQDs decoration and Z-scheme structure

Xiaoyun Xie et al.

Summary: A green and efficient photocatalyst Fe3O4/BiOBr/CQDs was successfully fabricated via photoinduced method for the removal of emerging pollutants, especially CBZ. The enhanced visible light absorption and photogenerated charge transfer efficiency, along with the Z-scheme structure constructed by biomass CQDs, contributes to the high photocatalytic activity of the Fe3O4/BiOBr/CQDs catalyst. This research provides a promising potential for the future application of Fe3O4/BiOBr/CQDs in water pollutant treatment.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Environmental

Multipath elimination of bisphenol A over bifunctional polymeric carbon nitride/biochar hybrids in the presence of persulfate and visible light

Huazhe Wang et al.

Summary: Polymeric carbon nitride (PCN), a star material in photocatalysis and persulfate activation, was used to synthesize bifunctional biochar-doped PCN. The optimized PCN/BC hybrid not only activated PS directly, but also exhibited improved optical properties. Mechanism studies showed different degradation pathways of BPA in the CNBC/PS and CNBC/PS/VIS systems, providing insights into hybrid advanced oxidation technologies.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Engineering, Environmental

Wastewater containing emerging contaminants treated by residues from the brewing industry based on biochar as a new CuFe2O4 / biochar photocatalyst

Jandira Leichtweis et al.

Summary: A novel green composite catalyst prepared by doping CuFe2O4 nanoparticles in malt bagasse biochar exhibited enhanced adsorption and photocatalytic performance. The performance of the composite catalyst varied with different ratios of malt biochar and CuFe2O4, with CFO1B3 showing the highest photocatalytic activity and recyclability.

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION (2021)

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Article Engineering, Environmental

Porous biochar supported Ag3PO4 photocatalyst for two-in-one synergistic adsorptive-photocatalytic removal of methylene blue under visible light irradiation

Xiaoqian Wei et al.

Summary: The combination of bamboo biochar and Ag3PO4 photocatalyst enhanced the degradation efficiency of methylene blue. The porous structure of bamboo biochar facilitated the dispersion of catalyst particles and absorption of more visible light, leading to increased production of center dot OH radicals for photocatalytic reactions.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Review Engineering, Environmental

A review on the treatment of textile industry waste effluents towards the development of efficient mitigation strategy: An integrated system design approach

Meerambika Behera et al.

Summary: Textile industries play a significant role in economic growth but are also major contributors to pollution. Conventional waste effluent treatment methods are resource-intensive, while photocatalysis is seen as a sustainable technology, albeit with challenges of long degradation times and low removal efficiencies.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Chemistry, Applied

Core-shell structured TiO2 as highly efficient visible light photocatalyst for dye degradation

Haiyang Hu et al.

CATALYSIS TODAY (2020)

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Article Chemistry, Physical

Novel biochar@CoFe2O4/Ag3PO4 photocatalysts for highly efficient degradation of bisphenol a under visible-light irradiation

Yali Zhai et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2020)

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Article Engineering, Environmental

Low-cost field production of biochars and their properties

Liang Xiao et al.

ENVIRONMENTAL GEOCHEMISTRY AND HEALTH (2020)

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Article Engineering, Environmental

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