Efficient adsorption of U(VI) using in low-level radioactive wastewater containing organic matter by amino groups modified polyacrylonitrile fibers

被引：10
|
作者：
Xia, Xue [1 ,3 ]
Dong, Faqin [2 ,5 ]
Nie, Xiaoqin [1 ,2 ,4 ]
Pan, Ning [1 ,2 ,4 ]
Liu, Chang [1 ,5 ]
Ding, Congcong [1 ,2 ,4 ]
Wang, Junling [1 ,4 ]
Cheng, Wencai [1 ,2 ,4 ]
He, Huichao [3 ]
Sun, Shiyong [5 ]
Zhang, Yujing [1 ,4 ]
机构：
[1] Southwest Univ Sci & Technol, Natl Coinnovat Ctr Nucl Waste Disposal & Environm, Mianyang 621010, Sichuan, Peoples R China
[2] Southwest Univ Sci & Technol, Fundamental Sci Nucl Wastes & Environm Safety Lab, Mianyang 621010, Sichuan, Peoples R China
[3] Southwest Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China
[4] Southwest Univ Sci & Technol, Sch Natl Def Sci & Technol, Mianyang 621010, Sichuan, Peoples R China
[5] Southwest Univ Sci & Technol, Key Lab Solid Waste Treatment & Resource Recycle, Minist Educ, Mianyang 621010, Sichuan, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2022年 / 331卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Organic media; Wastewater; Fiber; Adsorption; Mechanism; AQUEOUS-SOLUTION; REMOVAL; URANIUM(VI); ADSORBENTS; EXTRACTION; CAPACITY; CU(II); IONS; ACID; LEAD;
D O I：
10.1007/s10967-021-08146-4
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A kind of amino groups modified polyacrylonitrile fibers (PAN-A) was prepared to extract uranium from organic-containing low-level radioactive wastewater (OC-LLRW). SEM/EDS and FTIR characterization conformed that amino group was triumphant grafed on polyacrylonitrile fibers (PAN) surface. Its adsorption capacity was 492.1 mg g(-1) (pH 6.0) and can endure at least five adsorption/desorption cycles under condition of 0.1 mol L-1 HCl solution. This PAN-A can work efficiently in the organic containing waste water (urea, tetrahydrofurfuryl alcohol), while the polyvinylalcohol (PVA) exhibited an apparently suppressive effect. This phenomenon was mainly with respect to the sticky nature of PVA.
引用
收藏
页码：921 / 936
页数：16
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