Immobilization of Pb in waste water and soil by tourmaline-biochar composites (TBs): Characteristics and mechanisms

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成果类型：

期刊论文

作者：

Liu, Yihuan;Chen, Yaoning;Li, Yuanping;Chen, Li;Jiang, Hongjuan;...

通讯作者：

Chen, YN;Li, YP

作者机构：

[Zhao, Mengyang; Zhou, Wencheng; Chen, YN; Chen, Yaoning; Zhao, Chen; Liu, Yihuan; Kang, Huayue; Chen, Li; Jiang, Hongjuan] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

[Zhao, Mengyang; Zhou, Wencheng; Chen, Yaoning; Zhao, Chen; Liu, Yihuan; Kang, Huayue; Chen, Li; Jiang, Hongjuan] Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China.

[Li, Yuanping] Hunan City Univ, Sch Municipal & Geomat Engn, Yiyang 413000, Peoples R China.

[Li, Hui] Hunan Acad Forestry, State Key Lab Utilizat Woody Oil Resource, Changsha 410004, Peoples R China.

[Li, Hui] Hunan Acad Forestry, Inst Biol & Environm Engn, Changsha 410004, Peoples R China.

通讯机构：

[Chen, YN ; Li, YP ] H

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

Hunan City Univ, Sch Municipal & Geomat Engn, Yiyang 413000, Peoples R China.

语种：

英文

关键词：

Immobilization mechanisms;Pb(2+) adsorption;Soil remediation;Tourmaline-biochar composite

期刊：

Science of The Total Environment

ISSN：

0048-9697

年：

2024

卷：

920

页码：

170803

DOI：

10.1016/j.scitotenv.2024.170803

基金类别：

Natural Science Foundation of Hunan Province#&#&#2023JJ30130 Training Program for Excellent Young Innovators of Changsha#&#&#KQ2206067 Scientific Research Foundation of Education Department of Anhui Province of China#&#&#21B0715 National Natural Science Foundation of China#&#&#51979104

机构署名：

本校为通讯机构

院系归属：

市政与测绘工程学院

摘要：

Novel tourmaline-biochar composites (TBs) were synthesized by introducing tourmaline (TM) into pomelo peel biochar (BC). The surface properties of TBs and BC were studied and the adsorption performances for Pb(2+) were investigated. Compared to pristine BC, the adsorption ability for Pb(2+) on TBs was enhanced with the increase of TM in TBs, and up to 514.62mg/g on 5%TB. The enrichment of inorganic metals caused by TM in TBs made the precipitation and cation ion exchange become the main mechanisms in adsorbing Pb(2+), and the amounts of adsorbing Pb(2+) by those two mechanisms on TBs were 1.10...

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Immobilization of Pb in waste water and soil by tourmaline-biochar composites (TBs): Characteristics and mechanisms

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