Capture of iodine gas by Bi-based composites derived from rice husk: Influence of the type of support on the iodine adsorption and retention

Enchao Wang,Li Chen,Xinmiao He,Yucheng Xiang, Shuangyi Jia, Yisheng Chen,Zhongxiang Guo,Junyi Luo,Hui Dan,Yi Ding,Tao Duan

Chemical Engineering Journal（2023）

Cited 4|Views4

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Abstract

•New Bi-based composites were prepared using rice husk as C and SiO2 sources.•The type of support strongly affected the iodine adsorption and retention.•The Bi0-SiO2 composite showed the highest iodine retention.•The Bi0-C composite exhibited the highest iodine adsorption capacity.•Except for chemical reaction, charge transfer (C–I) also contributed to adsorption.

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Key words

Iodine,Bi-based composites,Support,Adsorption,Retention

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