Separation of gallium and copper from hydrochloric acid by D2EHPA

被引：9

作者：

Chen, Wei-Shen ^{[1
]}

Huang, Shih-Lin ^{[1
]}

Chang, Fang-Chih ^{[2
]}

Chang, Juu-En ^{[3
]}

Wang, Ya-Nang ^{[2
]}

机构：

[1] Natl Cheng Kung Univ, Sustainable Environm Res Ctr, Tainan 709, Taiwan

[2] Natl Taiwan Univ, Expt Forest, Chu Shan 55750, Nan Tou, Taiwan

[3] Natl Cheng Kung Univ, Dept Environm Engn, Tainan 70101, Taiwan

来源：

DESALINATION AND WATER TREATMENT | 2015年 / 54卷 / 4-5期

关键词：

Strip; Liquid-liquid extraction; D(2)EHPA; Gallium(III); Copper(II); LIQUID-LIQUID-EXTRACTION; RECOVERY; INDIUM; CYANEX-923;

D O I：

10.1080/19443994.2014.929035

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Solvent extraction offers a better option for gallium recovery among many techniques. The liquid-liquid extraction of gallium(III)-copper(II) solution from hydrochloric acid medium using di-2-ethyl-hexylphosphoric acid (D(2)EHPA) in kerosene was studied. The effect of the reagent concentration and other parameters on the extraction of gallium(III)-copper(II) was also studied. The stoichiometry of the extracted species of gallium(III) was determined based on the slope analysis method. The maximum extraction efficiency of gallium was 99.9%. The gallium that contained organic phase could be stripped completely by 1 M HCl.

引用

页码：1452 / 1456

页数：5

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