Adsorption of Lead from Aqueous Solution by Biochar: A Review

Chuanbin Wang, Xutong Wang, Ning Li, Junyu Tao, Beibei Yan, Xiaoqiang Cui and Guanyi Chen
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Chuanbin Wang: Tianjin Key Laboratory of Biomass Waste Utilization, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Xutong Wang: Tianjin Key Laboratory of Biomass Waste Utilization, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Ning Li: Tianjin Key Laboratory of Biomass Waste Utilization, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Junyu Tao: School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China
Beibei Yan: Tianjin Key Laboratory of Biomass Waste Utilization, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Xiaoqiang Cui: Tianjin Key Laboratory of Biomass Waste Utilization, School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
Guanyi Chen: School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China

Clean Technol., 2022, vol. 4, issue 3, 1-24

Abstract: 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.

Keywords: heavy metal; lead; biochar; wastewater; adsorption (search for similar items in EconPapers)
JEL-codes: Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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