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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, Yaoning;Li, Yuanping
作者机构:
[Zhao, Mengyang; Zhou, Wencheng; Zhao, Chen; Liu, Yihuan; Kang, Huayue; Chen, Li; Jiang, Hongjuan] College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China
[Chen, Yaoning] College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China. Electronic address: cyn@hnu.edu.cn
[Li, Yuanping] School of Municipal and Geomatics Engineering, Hunan City University, Yiyang 413000, China. Electronic address: yuanpingli@hncu.edu.cn
[Li, Hui] State Key Laboratory of Utilization of Woody Oil Resource and Institute of Biological and Environmental Engineering, Hunan Academy of Forestry, Changsha 410004, China
通讯机构:
[Chen, Yaoning] C
[Li, Yuanping] S
College of Environmental Science and Engineering, Hunan University and Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, China. Electronic address:
School of Municipal and Geomatics Engineering, Hunan City University, Yiyang 413000, China. Electronic address:
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
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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