Hydroxyapatite modified sludge-based biochar for the adsorption of Cu2+ and Cd2+: Adsorption behavior and mechanisms

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成果类型：

期刊论文

作者：

Chen, Yaoning*;Li, Meiling;Li, Yuanping;Liu, Yihuan;Chen, Yanrong;...

通讯作者：

Chen, Yaoning

作者机构：

[Chen, Yaoning; Chen, Yanrong; Li, Linshenzhang; Li, Meiling; Liu, Yihuan; Xu, Fangting; Jiang, Hongjuan; Chen, Li] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China.

[Chen, Yaoning; Chen, Yanrong; Li, Linshenzhang; Li, Meiling; Liu, Yihuan; Xu, Fangting; Jiang, Hongjuan; Chen, Li] Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Peoples R China.

[Li, Yuanping] Hunan City Univ, Coll Municipal & Mapping Engn, Yiyang 413000, Hunan, 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, Yaoning] H

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

语种：

英文

关键词：

Adsorption behavior;Heavy metals;Hydroxyapatite;Mechanisms;Sludge-based biochar

期刊：

Bioresource Technology

ISSN：

0960-8524

年：

2021

卷：

321

页码：

124413

DOI：

10.1016/j.biortech.2020.124413

基金类别：

CRediT authorship contribution statement Yaoning Chen: Supervision, Validation, acquisition, Writing - review & editing. Meiling Li: Data curation, Investigation, Methodology, Visualization, Writing - original draft. Yuanping Li: Supervision, acquisition. Yihuan Liu: Writing - review & editing. Yanrong Chen: Writing - review & editing. Hui Li: Methodology, Writing - review & editing. Linshenzhang Li: Methodology, Software. Fangting Xu: Software, Writing - review & editing. Hongjuan Jiang: Writing - review & editing. Li

机构署名：

本校为其他机构

院系归属：

市政与测绘工程学院

摘要：

This study prepared sewage sludge, a municipal solid waste, into a biochar modified by hydroxyapatite (HAP) as a new and efficient absorbent (HAP-SSBC) for removal of Cu2+ and Cd2+ from aqueous solution. Adsorption experiment revealed that HAP-SSBC exhibited significantly higher adsorption performance than raw sludge-based biochar (SSBC). At 298.15 K, the maximum adsorption capacity of Cu2+ and Cd2+ via Langmuir model were 89.98 and 114.68 mg/g, respectively. Adsorption kinetic experiment revealed that chemisorption was the main reaction. Analy...

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Hydroxyapatite modified sludge-based biochar for the adsorption of Cu2+ and Cd2+: Adsorption behavior and mechanisms

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