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Adsorption of Lead from Aqueous Solution by Biochar: A Review

Clean Technologies 2022 49 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Chuanbin Wang, Xiaoqiang Cui Xutong Wang, Ning Li, Xiaoqiang Cui Junyu Tao, Xiaoqiang Cui Beibei Yan, Beibei Yan, Xiaoqiang Cui Beibei Yan, Xiaoqiang Cui Xiaoqiang Cui Beibei Yan, Guanyi Chen, Guanyi Chen, Xiaoqiang Cui

Summary

This review summarizes research on using biochar, a low-cost carbon material, to adsorb and remove lead from contaminated water. The study covers how different raw materials and modification methods affect biochar's adsorption capacity, along with the main mechanisms by which lead is removed from aqueous solutions.

Industrialization has resulted in the discharge of a certain amount of lead (Pb) from industrial sources causing damage risk to water quality and human health. Adsorption is an effective technique to remove Pb, and biochar has been widely studied owing to its advantages of low cost and high adsorption capacity. This review summarizes the influence of raw materials and modification methods on the adsorption capability of biochar. The adsorption isotherms and kinetics of biochar were summarized, and the main Pb removal mechanisms were studied systematically. In addition, the challenges and future perspectives were discussed comprehensively. It is expected that the review could provide insightful fundamentals for the experimental research and practical applications of biochar.

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