Selective concentration of uranium from bioleach liquor of low-grade uranium ore by nanofiltration process

被引：18
|
作者：
Torkabad, M. Ghasemi [1 ]
Keshtkar, A. R. [1 ]
Safdari, S. J. [1 ]
机构：
[1] AEOI, Mat & Nucl Fuel Res Sch, Nucl Sci & Technol Res Inst, POB 11365-8486, Tehran, Iran
来源：
HYDROMETALLURGY | 2018年 / 178卷
关键词：
Nanofiltration; Bioleach liquor; Uranium; Membrane; Selective concentration; DI-(2-ETHYLHEXYL) PHOSPHORIC-ACID; POLYMER INCLUSION MEMBRANE; BINARY AQUEOUS-SOLUTIONS; HEAVY-METAL IONS; DISSOLVED URANIUM; ENHANCED ULTRAFILTRATION; WASTE-WATER; REMOVAL; REJECTION; SEAWATER;
D O I：
10.1016/j.hydromet.2018.04.012
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Three commercially available nanofiltration membranes (PES-2, NF-1 and NF-2) were employed for selective concentration of uranium from a bioleach liquor of low-grade uranium ore. Performance of the membranes under a variety of operational conditions was evaluated by dead-end and cross-flow filtration experiments. Results showed that the NF-2 membrane had high uranium rejection ((>)85%), appropriate permeate flux, and acceptable fouling propensity. Also, NF-2 was more selective than the two other membranes. In general, the nanofiltration process is recommended to be applied in practice for extraction of uranium from the bioleach liquor of low-grade uranium ore.
引用
收藏
页码：106 / 115
页数：10
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