Adsorption of Pb2+ and Cd2+ on silica-modified and nitrogen self-doped lotus leaf biochar: Adsorption behavior and mechanism

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成果类型：

期刊论文

作者：

Li, Yuanping;Hou, Suzhen;Chen, Yaoning;Liu, Yihuan;Zhao, Mengyang;...

通讯作者：

Chen, YN

作者机构：

[Chi, Nianping; Jia, Shunyao; Li, Yuanping] Hunan City Univ, Sch Municipal & Geomat Engn, Yiyang 413000, Hunan, Peoples R China.

[Zhao, Mengyang; Chen, Yaoning; Hou, Suzhen; Jiang, Hongjuan] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

[Zhao, Mengyang; Chen, Yaoning; Hou, Suzhen; Jiang, Hongjuan] Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China.

[Liu, Yihuan] Zhejiang Acad Agr Sci, Inst Environm Resource Soil & Fertilizer, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China.

[He, Guowen] Hunan City Univ, Sch Mat & Chem Engn, Yiyang 413000, Hunan, Peoples R China.

通讯机构：

[Chen, YN ] H

Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

语种：

英文

关键词：

Lotus leaf;Micro-silicon powder;Nitrogen-containing;Biochar;Heavy metals

期刊：

Biochemical Engineering Journal

ISSN：

1369-703X

年：

2025

卷：

223

页码：

109873

DOI：

10.1016/j.bej.2025.109873

基金类别：

CRediT authorship contribution statement Yuanping Li: Writing – original draft, Conceptualization. Suzhen Hou: Visualization, Methodology. Yaoning Chen: Resources, Project administration, acquisition, Data curation. Yihuan Liu: Supervision, Methodology. Mengyang Zhao: Software. Hongjuan Jiang: Validation. Nianping Chi: Validation. Guowen He: Formal analysis. Shunyao Jia: Investigation.

机构署名：

本校为第一机构

院系归属：

市政与测绘工程学院

摘要：

Biochar and its modified products have received much attention in the adsorption treatment of heavy metal wastes, but there has been great potential for improvement in efficiency and cost. In this study, nitrogen-containing lotus leaves taken from lotus root harvests were pyrolyzed and modified by the silicon from industrial by-product micro-silicon powder, and then the Si-modified and nitrogen self-doped lotus leaf biochar (Si@N-BC) was prepared as an efficient material for the adsorption of Pb 2+ and Cd 2+ in aqueous solution. The results dem...

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Adsorption of Pb2+ and Cd2+ on silica-modified and nitrogen self-doped lotus leaf biochar: Adsorption behavior and mechanism

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