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

页码：106 / 115

页数：10

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