Electrodialytic recovery of chromium(VI) from hydrochloric acid solutions with liquid membranes based on tri-n-octylamine

被引：0
|
作者：
T. Zh. Sadyrbaeva
机构：
[1] Riga Technical University,Institute of Inorganic Chemistry
来源：
Russian Journal of Applied Chemistry | 2013年 / 86卷
关键词：
Chromium; D2EHPA; Liquid Membrane; Hydrochloric Acid Solution; Membrane Extraction;
D O I：
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摘要：
A study of the process of electrodialytic recovery of chromium(VI) from a solution of 0.01 M K2Cr2O7 in 0.1 M HCl with liquid membranes containing tri-n-octylamine with addition of di(2-ethyl hexyl)phosphoric acid in1,2-dichloroetrhane to dilute solutions of various acids determined the optimal process conditions: electrodialysis current density and the composition of the starting and receiving aqueous solutions and liquid membranes. It was found that all the liquid membranes studied provide a complete recovery of chromium(VI) anions from the starting solution.
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页码：1392 / 1398
页数：6
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