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Enhanced Performance in Uranium Extraction by Quaternary Ammonium-Functionalized Amidoxime-Based Fibers
Ao, JX; Han, JG; Xu, X; Qi, SM; Ma, L; Wang, ZQ; Zhang, L; Li, QN; Xu, L; Ma, HJ
2020
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume59Issue:13Pages:5828-5837
Subtype期刊论文
AbstractAcrylonitrile and 2-(dimethylamino)ethyl methacrylate were grafted onto ultrahigh molecular weight polyethylene fibers, and a series of quaternary ammonium (Q)-functionalized amidoxime (AO)-based fibers including QAO fibers and AO-Q fibers were synthesized. The optimal preparation process was determined. The results show that the QAO fibers with quaternary ammonium grafting chains in the inner layer and the amidoxime groups in the outer layer exhibited the best adsorption performance. Enhanced adsorption kinetics and adsorption capacities of the Q-AO fibers were obtained in simulated seawater. In comparison with the AO-Q fibers, the Q-AO fibers showed a higher adsorption capacity of 29.73 mg/g, which was 54.7% higher than that of the AO-Qfiber and 108.6% higher than that of the traditional amidoximebased adsorbent (AO fiber). These implied the obvious effect on the distinction of the preparation processes. Compared with AO fibers, the adsorption capacity for uranium by the Q-AO fibers in natural seawater increased nearly seven-fold to 0.210 mg/g, while the capacity for other metal ions decreased. This study concluded that synergistic groups with positive charges could result in enhanced adsorption performance for uranyl tricarbonate from natural seawater, and the distribution distinction of the AO group and synergistic group deeply affect the adsorption performance.
KeywordMAGNETIC NANOPARTICLES ADSORPTION PERFORMANCE EFFICIENT EXTRACTION CHEMICAL SPECIATION MESOPOROUS SILICA AQUEOUS-SOLUTIONS SEAWATER ADSORBENT RECOVERY OPTIMIZATION
DOI10.1021/acs.iecr.9b06829
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32856
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Shanghai 201800, Peoples R China
3.Guilin Univ Elect Technol, Guangxi Key Lab Optoeletron Informat Proc, Guilin 541004, Peoples R China
4.Jining Univ, Qufu 273155, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Ao, JX,Han, JG,Xu, X,et al. Enhanced Performance in Uranium Extraction by Quaternary Ammonium-Functionalized Amidoxime-Based Fibers[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2020,59(13):5828-5837.
APA Ao, JX.,Han, JG.,Xu, X.,Qi, SM.,Ma, L.,...&Ma, HJ.(2020).Enhanced Performance in Uranium Extraction by Quaternary Ammonium-Functionalized Amidoxime-Based Fibers.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,59(13),5828-5837.
MLA Ao, JX,et al."Enhanced Performance in Uranium Extraction by Quaternary Ammonium-Functionalized Amidoxime-Based Fibers".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 59.13(2020):5828-5837.
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