3D ZnO modified biochar-based hydrogels for removing U(VI) in aqueous solution

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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：

Guo, Yu;Liu, Xiaoyang;Xie, Shuibo;Liu, Haiyan;Wang, Chenxu;...

通讯作者：

Xie, Shuibo(xiesbmr@263.net)

作者机构：

[Guo, Yu; Xie, Shuibo; Wang, Chenxu; Wang, Lingzhi; Liu, Haiyan] Univ South China, Coll Civil Engn, Hengyang 421001, Peoples R China.

[Xie, Shuibo] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.

[Liu, Xiaoyang] Water Resources Bur Ziyang Dist, Yiyang City 413001, Peoples R China.

通讯机构：

[Shuibo Xie] C

College of Civil Engineering, University of South China, Hengyang 421001, China<&wdkj&>Key Discipline Laboratory for National Defence of Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang 421001, China

语种：

英文

关键词：

Adsorption mechanism;Adsorption properties;Modified biochar;Polyacrylamide gel;U(VI)

期刊：

Colloids and Surfaces A: Physicochemical and Engineering Aspects

ISSN：

0927-7757

年：

2022

卷：

642

页码：

128606

DOI：

10.1016/j.colsurfa.2022.128606

基金类别：

Natural Science Foundation of Hunan Province [2020JJ30579]; Key Scientific Research Project of Education Bureau of Hunan Province [19A421]

机构署名：

本校为第一机构

院系归属：

核资源工程学院

摘要：

A novel three dimensional ZnO modified biochar-based hydrogel (ZBCG) was fabricated and employed for removing U(VI) in aqueous solution. The ZBCG hydrogel, the successful loading of ZnO modified biochar (ZBC) confirmed by SEM and FTIR, has showed a well mechanical characteristics, thermal stability, anti-swelling property and adsorption performance for U(VI) than pure hydrogels (BG). At T = 40 ℃, pH = 5, the maximum adsorption capacity of the Langmuir model was 239.21 mg/g. According to adsorption kinetics tests, the chemical adsorption has oc...

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3D ZnO modified biochar-based hydrogels for removing U(VI) in aqueous solution

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