Hierarchical porous cellulose monolith prepared by thermally induced phase separation for high-efficiency uranium adsorption

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成果类型：

期刊论文

作者：

Sun, Peng;Ma, Lin;Liao, Jian;Wang, Jiejun;Huang, Chen;...

通讯作者：

Zhou, QZ;Ma, HJ

作者机构：

[Zhou, Qingzhi; Zhou, QZ; Sun, Peng; Wang, Jie] Univ South China, Inst Nucl Sci & Technol, Hunan Prov Key Lab Radon, Hengyang 421001, Peoples R China.

[Huang, Chen; Fu, Mengtao; Ma, Hongjuan; Sun, Peng] Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China.

[Xu, Lu; Ma, Lin] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.

[Wang, Jiejun; Liao, Jian] Guilin Univ Elect Technol, Coll Ocean Engn, Beihai 536000, Peoples R China.

[Wang, Jiejun; Liao, Jian] Guilin Univ Elect Technol, Guangxi Key Lab Optoelect Informat Proc, Beihai, Peoples R China.

通讯机构：

[Zhou, QZ ] U

[Ma, HJ ] S

Univ South China, Inst Nucl Sci & Technol, Hunan Prov Key Lab Radon, Hengyang 421001, Peoples R China.

Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China.

语种：

英文

关键词：

Cellulose;Thermally induced phase separation;Adsorption;Nuclear wastewater;Uranium

期刊：

Separation and Purification Technology

ISSN：

1383-5866

年：

2024

卷：

337

页码：

126419

DOI：

10.1016/j.seppur.2024.126419

基金类别：

CM was prepared through TIPS and deacylation reactions. The microstructure of CAM and CM was examined using SEM. In Fig. 1a1,2, it is evident that CAM possesses a relatively uniform hierarchical porous structure. Fig. 1b1,2 reveals that the morphology of CM remains essentially unchanged after hydrolysis, primarily owing to TIPS. The diameter of the large holes in CM and CAM is approximately 50 μm. The polymer phase is prominently developed in a cohesive manner, creating a continuous matrix.

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

The development and application of new and efficient adsorption materials are key issues in the treatment of nuclear wastewater. This paper introduces a novel hierarchical porous amidoxime cellulose monolith synthesized through thermally induced phase separation (TIPS). The inherent hydrophilicity of cellulose, combined with the graded porous structure achieved through TIPS (with a specific surface area of 10.36 m2/g), endows the material with strong mass transfer ability. The adsorption properties of this amidoxime cellulose monolith for uranyl ions were evaluated in both batch and flow -thro...

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Hierarchical porous cellulose monolith prepared by thermally induced phase separation for high-efficiency uranium adsorption

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