Three-layer core-shell magnetic Fe3O4@C@Fe2O3 microparticles as a high-performance sorbent for the capture of gaseous arsenic from SO2-containing flue gas

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成果类型：

期刊论文

作者：

Liu, Zhilou;Yang, Shu;Li, Ziliang;Xie, Xiaofeng;Li, Yuhu;...

通讯作者：

Xu, Zhifeng

作者机构：

[Li, Ziliang; Li, Yuhu; Xu, Zhifeng; Liu, Zhilou] JiangXi Univ Sci & Technol, Sch Met Engn, 86 Hongqi Rd, Ganzhou 341000, Peoples R China.

[Yang, Shu; Xie, Xiaofeng] Cent South Univ, Sch Met & Environm, 93 Lushan Rd, Changsha 410083, Hunan, Peoples R China.

[Sun, Zhumei] North Univ China, Sch Environm & Safety Engn, 3 Xueyuan Rd, Taiyuan 030051, Shanxi, Peoples R China.

[Luo, Shuang] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

通讯机构：

[Xu, Zhifeng] J

JiangXi Univ Sci & Technol, Sch Met Engn, 86 Hongqi Rd, Ganzhou 341000, Peoples R China.

语种：

英文

关键词：

Capture;Core-shell structure;Gaseous As2O3;Iron oxide;Magnetic composites

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2019

卷：

378

页码：

122075

DOI：

10.1016/j.cej.2019.122075

基金类别：

Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51804139, 51764016]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2019M652275]; Scientific Research Foundation of JiangXi University of Science and Technology [jxxjbs17058]

机构署名：

本校为其他机构

院系归属：

资源环境学院

摘要：

Gaseous arsenic capture from flue gas is of great concern due to the high toxicity of arsenic. In this study, a new type of sorbent, magnetic Fe3O4@C@Fe2O3 microparticles with a core-shell structure, was designed by taking advantages of the easy separation property of magnetic sorbents and the excellent adsorption property of Fe2O3 for the capture of arsenic. The Fe3O4@C@Fe2O3 material exhibits a three-layer structure with high specific surface area (27.242 m2 g−1), large pore volume (0.181 cm3 g−1) and excellent magnetic properties (74.1 emu...

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Three-layer core-shell magnetic Fe3O4@C@Fe2O3 microparticles as a high-performance sorbent for the capture of gaseous arsenic from SO2-containing flue gas

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