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

Y Lu, Y Cai, S Zhang, L Zhuang, B Hu, S Wang, J Chen… - Biochar, 2022 - Springer
The fast increase of population results in the quick development of industry and agriculture.
Large amounts of contaminants such as metal ions and organic contaminants are released …

Modified biochar as a green adsorbent for removal of hexavalent chromium from various environmental matrices: mechanisms, methods, and prospects

S Ambika, M Kumar, L Pisharody, M Malhotra… - Chemical Engineering …, 2022 - Elsevier
Abstract Hexavalent chromium (Cr (VI)) contamination has gained interest from regulatory
authorities due to its high toxicity and carcinogenicity. Different approaches have been …

Hydrothermal synthesis of magnetic sludge biochar for tetracycline and ciprofloxacin adsorptive removal

Y Ma, M Li, P Li, L Yang, L Wu, F Gao, X Qi… - Bioresource …, 2021 - Elsevier
In this study, biochar derived from municipal sludge was activated by zinc chloride, which
was first time used as the precursor for hydrothermal synthesis of magnetic sludge biochar …

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

J Qu, Y Wang, X Tian, Z Jiang, F Deng, Y Tao… - Journal of Hazardous …, 2021 - Elsevier
Herein, a high-performance porous biochar described as PBC KOH was successfully
synthesized by two-step pyrolysis of corn straw with chemical activation of KOH, and was …

Removal of hexavalent chromium via biochar-based adsorbents: State-of-the-art, challenges, and future perspectives

R Sinha, R Kumar, P Sharma, N Kant, J Shang… - Journal of …, 2022 - Elsevier
Chromium originates from geogenic and extensive anthropogenic activities and significantly
impacts natural ecosystems and human health. Various methods have been applied to …

Biochar as a potential strategy for remediation of contaminated mining soils: Mechanisms, applications, and future perspectives

Y Gao, P Wu, P Jeyakumar, N Bolan, H Wang… - Journal of environmental …, 2022 - Elsevier
Soil heavy metal contamination caused by mining activities is a global issue. These heavy
metals can be enriched in plants and animals through the food chain, and eventually …

Biochar as a support for nanocatalysts and other reagents: Recent advances and applications

RP Lopes, D Astruc - Coordination Chemistry Reviews, 2021 - Elsevier
The transformation and use of the biomass are of fundamental energetic and ecological
interest. The general objective of this review is to provide an overview of biochar (a major …

Influence of pyrolysis temperature on biochar properties and Cr (VI) adsorption from water with groundnut shell biochars: Mechanistic approach

A Shakya, M Vithanage, T Agarwal - Environmental Research, 2022 - Elsevier
This study was envisaged to understand the effect of increasing pyrolysis temperature on the
Cr (VI) removal potential of the groundnut shells derived biochars. The biochars were …

Synergistic effect of hydrogen bonding and π-π interaction for enhanced adsorption of rhodamine B from water using corn straw biochar

S Guo, Z Zou, Y Chen, X Long, M Liu, X Li, J Tan… - Environmental …, 2023 - Elsevier
Dyes adsorption to biochar via hydrogen bonding, and π-π interaction alone have attracted
much research attention, however, their synergism in adsorption mechanisms remains …

Adsorption characteristics and the removal mechanism of two novel Fe-Zn composite modified biochar for Cd (II) in water

T Yang, Y Xu, Q Huang, Y Sun, X Liang, L Wang… - Bioresource …, 2021 - Elsevier
In this study, adsorbents (Fe/Zn-RBC and Fe/Zn-DBC) for the removal of Cd (II) in water were
successfully prepared by iron/zinc composite modified biochar derived from the branches of …