Carrier facilitated transport of thorium from HCl medium using Cyanex 923 in n-dodecane containing supported liquid membrane

被引：0

作者：

A. K. Dinkar

Suman Kumar Singh

S. C. Tripathi

P. M. Gandhi

R. Verma

A. V. R. Reddy

机构：

[1] Bhabha Atomic Research Centre,Fuel Reprocessing Division

[2] Bhabha Atomic Research Centre,Analytical Chemistry Division

来源：

Journal of Radioanalytical and Nuclear Chemistry | 2013年 / 298卷

关键词：

Supported liquid membrane; Thorium transport; Cyanex 923; Radioanalytical waste; Flux; Permeability coefficient;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Present studies deal with supported liquid membrane (SLM) technique for the separation of thorium from hydrochloric acid (HCl) medium using Cyanex 923 as a carrier. Effects of feed acidity, strippant, and membrane pore size and membrane thickness on the transport of thorium have been studied in detail. The optimized parameters were applied for separation of thorium from a radioanalytical waste. Stability of the membrane and membrane support was investigated. Transport of thorium increased from 78.3 to about 93.7 % with increase in acidity from 0.5 to 2 M using 0.3 M Cyanex 923 in n-dodecane as carrier and 2 M ammonium carbonate as stripping phase. The transport of thorium decreased above 2 M HCl. An attempt was made to model the physicochemical transport of thorium in SLM and understand the mechanism of thorium transport.

引用

页码：707 / 715

页数：8

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