Fast removal of strontium from nitric acid solution using an acid-resistant silica-based adsorbent

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成果类型：

期刊论文

作者：

Zhang, Shichang;Huang, Qunying;Chen, Lifeng;Yin, Xiangbiao;Hamza, Mohammed F.;...

通讯作者：

Huang, QY;Ning, SY

作者机构：

[Huang, Qunying; Zhang, Shichang; Huang, QY] Chinese Acad Sci, Inst Nucl Energy Safety Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China.

[Huang, Qunying; Zhang, Shichang] Univ Sci & Technol China, Hefei 230026, Peoples R China.

[Ning, Shunyan; Wei, Yuezhou; Hamza, Mohammed F.; Yin, Xiangbiao; Chen, Lifeng] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Wei, Yuezhou] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China.

[Ning, Shunyan] Univ South China, Sch Nucl Sci & Technol, 28 Changsheng West Rd, Hengyang 421001, Peoples R China.

通讯机构：

[Ning, SY ] U

[Huang, QY ] C

Chinese Acad Sci, Inst Nucl Energy Safety Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China.

Univ South China, Sch Nucl Sci & Technol, 28 Changsheng West Rd, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Strontium;High level liquid waste;Vacuum impregnation;Adsorption;DFT calculations

期刊：

Journal of Environmental Chemical Engineering

ISSN：

2213-3437

年：

2023

卷：

期：

页码：

110529

DOI：

10.1016/j.jece.2023.110529

基金类别：

National Natural Science Foundation of China [12275124]

机构署名：

本校为通讯机构

院系归属：

核科学技术学院

摘要：

To efficiently separate strontium (Sr) from simulated high level liquid waste (HLLW), a novel acid-resistant inorganic-organic hybrid adsorbent, named as HEMAP/SiO2-P, was prepared by loading 2-hydroxyethyl-2-methyl-2-propenoate phosphate (HEMAP) into styrene-divinylbenzene modified silica (SiO2-P) with vacuum impregnation method. The experimental results showed that the adsorbent exhibited good adsorption selectivity with the SFSr/metal ions over 64.2 in 3 M HNO3 simulated HLLW. In addition, the adsorption of Sr by the adsorbent was in accordance with the pseudo-second-order kinetic model and...

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Fast removal of strontium from nitric acid solution using an acid-resistant silica-based adsorbent

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