Selective removal of Sr2+ by cation exchange using silica-based titanate adsorbents

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成果类型：

期刊论文

作者：

Chen, Zi;Xu, Chenghong;Hu, Guang;Zhang, Lijing;Liu, YanFang;...

通讯作者：

Guang Hu<&wdkj&>YanFang Liu

作者机构：

[Hu, Weiwei; Chen, Zi; Liu, YanFang] Fac Chem Engn, Huaiyin Inst Technol, Key Lab Reg Resource Exploitat & Med Res, Huaian 223003, Peoples R China.

[Chen, Zi; Wu, Shupeng; Xu, Chenghong; Zhang, Lijing; Zhang, Xinxin; Hu, Guang] Fac Chem Engn, Natl & Local Joint Engn Res Ctr Mineral Salt Deep, Huaiyin Inst Technol, Key Lab Palygorskite Sci & Appl Technol Jiangsu P, Huaian 223003, Peoples R China.

[Wang, Zuocheng] Baicheng Normal Univ, Dept Phys, Baicheng 137000, Peoples R China.

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

通讯机构：

[Guang Hu; YanFang Liu] K

Key Laboratory of Regional Resource Exploitation and Medicinal Research, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian, 223003, China<&wdkj&>Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian, 223003, China

语种：

英文

关键词：

Decontamination;DFT;Potassium hexatitanate;Silica-based adsorbent;Strontium

期刊：

Journal of Solid State Chemistry

ISSN：

0022-4596

年：

2022

卷：

312

页码：

123247

DOI：

10.1016/j.jssc.2022.123247

基金类别：

CRediT authorship contribution statement Zi Chen: Conceptualization, Methodology, Formal analysis, Data curation, Resources, Writing – original draft, Validation, Writing – review & editing. Chenghong Xu: Investigation, Formal analysis, Data curation. Guang Hu: Supervision, acquisition, Writing – review & editing. Lijing Zhang: Formal analysis, Data curation. YanFang Liu: Formal analysis, Data curation, Writing – original draft. Xinxin Zhang: Formal analysis, Data curation. Shupeng Wu: Formal analysis, Data curation. Weiwei Hu:

机构署名：

本校为其他机构

院系归属：

核科学技术学院

摘要：

Titanate is regarded as a highly selective inorganic adsorbent for removing 90Sr. A sol-gel method was developed to prepare the K2Ti6O13/SiO2 adsorbent using optimized annealing temperatures. A well-crystallized structure of the K2Ti6O13/SiO2 phase has been identified after the annealing temperature from 500 to 600 °C. The crystallized structure shows uniform ion sites for Sr2+ replacement, and the K2Ti6O13/SiO2 adsorbent shows high adsorbability and selectivity for metal ions at neutral pH in radioactive wastewater with the following selectiv...

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Selective removal of Sr2+ by cation exchange using silica-based titanate adsorbents

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