A review on As-contaminated soil remediation using waste biomass feedstock-based biochar and metal-modified biochar

Ecotoxicology and Environmental Safety, Год журнала: 2025, Номер 292, С. 117927 - 117927

Опубликована: Март 1, 2025

Arsenic (As) is a carcinogen that threatens ecosystems and human health. Due to its high adsorption, microporosity, biochar widely available for soil remediation. This review significantly summarizes the current status of waste biomass feedstock-based metal-modified As-contaminated Firstly, this paper briefly describes sources hazards As in soil, secondly, lists eleven feedstocks preparing biochar. Agricultural, domestic, forestry wastes provide plentiful source preparation. Single or multi-metal modifications such as iron (Fe), manganese (Mn), cerium (Ce) can effectively improve Arsenite [As(III)] arsenate [As(V)] adsorption capacity The primary mechanisms removal by include ion exchange, electrostatic attraction, surface complexation, redox transformation, H-bond formation. In conclusion, presents an in-depth discussion on both metal modification, providing constructive suggestions future development remediate soil.

Язык: Английский

Fe3O4/Mulberry Stem Biochar as a Potential Amendment for Highly Arsenic-Contaminated Paddy Soil Remediation

Toxics, Год журнала: 2024, Номер 12(11), С. 765 - 765

Опубликована: Окт. 22, 2024

Magnetite-loaded biochar has recently received attention owing to its ability remove arsenic from contaminated soil. In this study, mulberry stem (MBC) and Fe

Язык: Английский

Preparation of waste toner-derived magnetic adsorbent for analysis of lead in aqueous and oil-based foods

Food Chemistry, Год журнала: 2024, Номер 467, С. 142324 - 142324

Опубликована: Дек. 3, 2024

Язык: Английский