What question did this study set out to answer?

To investigate the mechanisms of Cr(VI) removal using acid modified biochar.

January 14, 2026

Mechanistic insights into Cr(VI) removal by acid modified biochar via coupled redox and complexation processes

MJMan JiangQingdao University QXQi XuChangjiang Water Resources Commission CHCaiping HuShandong Geological Sciences Institute

Key Points

To investigate the mechanisms of Cr(VI) removal using acid modified biochar.
Analysis of biochar properties and modifications
Evaluation of redox and complexation processes
Assessment of chromium removal efficiency
Biochar significantly reduces hexavalent chromium levels
Cr(VI) removal primarily involves redox and complexation mechanisms
Acid modification enhances biochar effectiveness in remediation

Abstract

Highly toxic hexavalent chromium (Cr(VI)) poses severe threats to ecosystems and human health. Biochar from waste materials have shown promising advances for Cr(VI) remediation, but combining agricultural and industrial wastes...

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