Recent advances in metal-organic framework membranes for water treatment: A review

The Science of The Total Environment, Год журнала: 2021, Номер 800, С. 149662 - 149662

Опубликована: Авг. 13, 2021

Язык: Английский

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Biochar for the removal of contaminants from soil and water: a review

Biochar, Год журнала: 2022, Номер 4(1)

Опубликована: Март 15, 2022

Abstract Biochar shows significant potential to serve as a globally applicable material remediate water and soil owing the extensive availability of feedstocks conducive physio-chemical surface characteristics. This review aims highlight biochar production technologies, characteristics biochar, latest advancements in immobilizing eliminating heavy metal ions organic pollutants water. Pyrolysis temperature, heat transfer rate, residence time, type feedstock are critical influential parameters. Biochar’s efficacy managing contaminants relies on pore size distribution, groups, ion-exchange capacity. The molecular composition physical architecture may be crucial when practically applied soil. In general, produced at relatively high pyrolysis temperatures can effectively manage via increasing area, hydrophobicity microporosity. generated lower is deemed more suitable for removing polar inorganic through oxygen-containing functional precipitation electrostatic attraction. also presents existing obstacles future research direction related biochar-based materials effluents Graphical

Язык: Английский

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Modified biochar: synthesis and mechanism for removal of environmental heavy metals

Carbon Research, Год журнала: 2022, Номер 1(1)

Опубликована: Июнь 18, 2022

Abstract With social progress and industrial development, heavy metal pollution in water soils environment is becoming more serious. Although biochar a low-cost environmentally friendly adsorbent for ions, its adsorption immobilization efficiency still need to be improved. As an upgraded version of biochar, modified has attracted extensive attention the scientific community. This review summarized recent research on treatment methods pollutants using biochar. The features advantages modification techniques such as physical modification, chemical biological other categories were discussed. mechanism removing metals from soil by was summarized. It found that had better performance after which provided higher surface areas functional groups, enough binding sites combine ions. Biochar very promising candidate environment. Furthermore, some high valent ions could reduced low metals, Cr(VI) reduction Cr(III), form precipitates in-situ sorption-reduction-precipitation strategy. However, it direction efforts develop high-efficiency with low-cost, sorption capacity, photocatalytic performance, no secondary future.

Язык: Английский

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Ball milling-assisted preparation of N-doped biochar loaded with ferrous sulfide as persulfate activator for phenol degradation: Multiple active sites-triggered radical/non-radical mechanism

Applied Catalysis B Environment and Energy, Год журнала: 2022, Номер 316, С. 121639 - 121639

Опубликована: Июнь 16, 2022

Язык: Английский

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Application of biochar-based photocatalysts for adsorption-(photo)degradation/reduction of environmental contaminants: mechanism, challenges and perspective

Biochar, Год журнала: 2022, Номер 4(1)

Опубликована: Июль 26, 2022

Abstract The fast increase of population results in the quick development industry and agriculture. Large amounts contaminants such as metal ions organic are released into natural environment, posing a risk to human health causing environment ecosystem problems. efficient elimination from aqueous solutions, photocatalytic degradation pollutants or in-situ solidification/immobilization heavy solid phases most suitable strategies decontaminate pollution. Biochar biochar-based composites have attracted multidisciplinary interests especially environmental pollution management because their porous structures, large functional groups, high adsorption capacities photocatalysis performance. In this review, application biochar adsorbents and/or catalysts for different contaminants, adsorption-photodegradation pollutants, adsorption-(photo)reduction summarized, mechanism was discussed advanced spectroscopy analysis DFT calculation detail. doping oxides is main strategy narrow band gap, generation separation photogenerated e − -h + pairs, produce more superoxide radicals (·O 2 ) hydroxyl (·OH), enhance visible light absorption performance, which dominate (photo)reduction valent metals low metals. environmentally friendly materials, promising candidates cleanup. challenge perspective provided end. Graphical

Язык: Английский

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Coordination chemistry of metal–organic frameworks: Detection, adsorption, and photodegradation of tetracycline antibiotics and beyond

Coordination Chemistry Reviews, Год журнала: 2022, Номер 464, С. 214562 - 214562

Опубликована: Апрель 26, 2022

Язык: Английский

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Fluorescent carbon dots crosslinked cellulose Nanofibril/Chitosan interpenetrating hydrogel system for sensitive detection and efficient adsorption of Cu (II) and Cr (VI)

Chemical Engineering Journal, Год журнала: 2021, Номер 430, С. 133154 - 133154

Опубликована: Ноя. 9, 2021

Язык: Английский

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S defect-rich ultrathin 2D MoS2: The role of S point-defects and S stripping-defects in the removal of Cr(VI) via synergistic adsorption and photocatalysis

Applied Catalysis B Environment and Energy, Год журнала: 2021, Номер 299, С. 120664 - 120664

Опубликована: Авг. 25, 2021

Язык: Английский

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Boosting interfacial charge separation and photocatalytic activity of 2D/2D g-C3N4/ZnIn2S4 S-scheme heterojunction under visible light irradiation

Journal of Alloys and Compounds, Год журнала: 2021, Номер 894, С. 162209 - 162209

Опубликована: Окт. 6, 2021

Язык: Английский

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Photocatalytic activity of CuO nanoparticles for organic and inorganic pollutants removal in wastewater remediation

Chemosphere, Год журнала: 2022, Номер 300, С. 134623 - 134623

Опубликована: Апрель 16, 2022

Язык: Английский

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