Uranium membrane separation from binary aqueous solutions of UO22+-K+ and UO22+-Ca2+ by the nanofiltration process

被引：30
作者：
Torkabad, M. Ghasemi [1 ]
Keshtkar, A. R. [1 ]
Safdari, S. J. [1 ]
机构：
[1] Nucl Sci & Technol Res Inst, Nucl Fuel Cycle Res Sch, AEOI, POB 11365-8486, Tehran, Iran
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2017年 / 52卷 / 06期
关键词：
Binary aqueous solutions; membrane separation; nanofiltration; uranium; HEAVY-METAL IONS; DISSOLVED URANIUM; PHOSPHORIC-ACID; WASTE-WATER; REMOVAL; REJECTION; TRANSPORT; GROUNDWATER; SELECTIVITY; TECHNOLOGY;
D O I：
10.1080/01496395.2017.1279182
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The performance of the nanofiltration process was investigated for uranium separation from binary aqueous solutions of UO22+-K+ and UO22+-Ca2+ containing uranium in high concentration ranges. Rejection coefficient, permeate flux, and membrane selectivity of PES-2, NF-1, and NF-2 membranes under various operational conditions of pH, pressure, and concentration of interfering cation were evaluated. In most cases, the order of metal rejections with these membranes was UO22+ > Ca2+ > K+. According to the obtained results, the nanofiltration process could be effectively used for selective uranium separation from aqueous solutions containing uranium and other monovalent and divalent cations.
引用
收藏
页码：1095 / 1105
页数：11
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