Chitosan-stabilized FeS magnetic composites for chromium removal: Characterization, performance, mechanism, and stability.

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Zhang, Hao;Peng, Liang;Chen, Anwei*;Shang, Cui;Lei, Ming;...

通讯作者：

Chen, Anwei

作者机构：

[Luo, Si; Peng, Liang; Shang, Cui; Shao, Jihai; Zeng, Qingru; Chen, Anwei; Zhang, Hao; Lei, Ming] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

[Luo, Si; Peng, Liang; Shang, Cui; Shao, Jihai; Zeng, Qingru; Chen, Anwei; Zhang, Hao; Lei, Ming] Hunan Engn & Technol Res Ctr Irrigat Water Purifi, Changsha 410128, Hunan, Peoples R China.

[He, Kai] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

通讯机构：

[Chen, Anwei] H

Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

语种：

英文

关键词：

Adsorption;Chitosan;Chromium;Iron sulfide;Reduction;Stability

期刊：

Carbohydrate Polymers

ISSN：

0144-8617

年：

2019

卷：

214

页码：

276-285

DOI：

10.1016/j.carbpol.2019.03.056

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51879105, 41771353]; Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [2019JJ40128]; Changsha Plan Project of Science and Technology [kq1801025]

机构署名：

本校为第一且通讯机构

院系归属：

资源环境学院

摘要：

Chitosan-stabilized FeS magnetic (MC-FeS) composites were successfully prepared to address the easily oxidization of FeS and enhance Cr(VI) removal from water. Results showed that the MC-FeS composites enhanced the Cr(VI) removal capacity as compared to bare FeS. Further investigation using X-ray photoelectron spectroscopy showed that FeOOH, S8, Cr2O3, Cr2S3, and a Fe(III)-Cr(III) complex were apparently introduced by Cr(VI), Fe(II), and S(-II), respectively. The sorption kinetics could be interpreted using a pseudo-second-order kinetic model, whereas the isotherms were simulated using the Red...

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Chitosan-stabilized FeS magnetic composites for chromium removal: Characterization, performance, mechanism, and stability.

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