CAS OpenIR
Amidoximated cellulose fiber membrane for uranium extraction from simulated seawater
Wang, Ying1,2; Zhang, Yaopeng3; Li, Qian4; Li, Yanxiang1,2; Cao, Lixia1; Li, Wangliang1,2
2020-10-01
Source PublicationCARBOHYDRATE POLYMERS
ISSN0144-8617
Volume245Pages:12
Abstract

Uranium extraction from seawater is considered as an efficient strategy to meet the increasing demands of uranium. Amidoxime has been reported as one of the most efficient groups for uranium affinity. Herein, ami-doximated cellulose fibers were synthesized by grafting polyacrylonitrile (PAN) onto cellulose fibers followed by amidoxime modification. The amidoximated cellulose fibers showed maximum adsorption capacity of 52.88 mg g(-1) (pH = 5.0), and its static adsorption process was well fitted with Langmuir model and Pseudo-second-order kinetics. The adsorption mechanism was attributed to the chelating reaction between uranyl complexes and amidoximated cellulose fibers. The prepared fibers were further fabricated into nonwoven membrane for dy-namic adsorption, and the breakthrough curves were well fitted to Dose-Response model. The amidoximated cellulose fiber membrane showed a good adsorption capacity of 1.22 mg g(-1) at pH 8.0 after filtrating 10.0 L simulated seawater, demonstrating promising efficient engineering materials for uranium extraction from sea-water.

KeywordAmidoxime Cellulose Fiber Dynamic Adsorption Membrane Uranium Extraction
DOI10.1016/j.carbpol.2020.116627
Language英语
WOS KeywordEfficient Extraction ; Ion-exchange ; Chemical Speciation ; Adsorption ; Recovery ; Removal ; u(Vi) ; Adsorbent ; Photoconversion ; Biosorption
Funding ProjectNational Nature Science Foundation of China[21978307] ; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University (KF2016) ; Technology Research and Development Program of Guizhou Province[[2019]2839]
WOS Research AreaChemistry ; Polymer Science
WOS SubjectChemistry, Applied ; Chemistry, Organic ; Polymer Science
Funding OrganizationNational Nature Science Foundation of China ; State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University (KF2016) ; Technology Research and Development Program of Guizhou Province
WOS IDWOS:000552840700014
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/41454
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Yanxiang; Li, Wangliang
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Donghua Univ, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai, Peoples R China
4.Logist Univ PAPF, Tianjin 300309, Peoples R China
Recommended Citation
GB/T 7714
Wang, Ying,Zhang, Yaopeng,Li, Qian,et al. Amidoximated cellulose fiber membrane for uranium extraction from simulated seawater[J]. CARBOHYDRATE POLYMERS,2020,245:12.
APA Wang, Ying,Zhang, Yaopeng,Li, Qian,Li, Yanxiang,Cao, Lixia,&Li, Wangliang.(2020).Amidoximated cellulose fiber membrane for uranium extraction from simulated seawater.CARBOHYDRATE POLYMERS,245,12.
MLA Wang, Ying,et al."Amidoximated cellulose fiber membrane for uranium extraction from simulated seawater".CARBOHYDRATE POLYMERS 245(2020):12.
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