The effect of impurities on the extraction of copper from sulfate medium using LIXA®984N in kerosene

被引：20
作者：
Asghari, H. [1 ,2 ]
Safarzadeh, M. S. [1 ,2 ]
Asghari, G. [1 ]
Moradkham, D. [1 ,2 ,3 ]
机构：
[1] Iranian Zinc Mines Dev Co IZMDC, R&D Ctr, Lab Leaching & Purificat Proc, Zanjan, Iran
[2] Res & Engn Co Nonferrous Met RECO, Zanjan, Iran
[3] Zanjau Univ, Fac Engn, Zanjan, Iran
来源：
RUSSIAN JOURNAL OF NON-FERROUS METALS | 2009年 / 50卷 / 02期
关键词：
SOLVENT-EXTRACTION; LIX; 973N; SEPARATION; IRON(III); CU(II);
D O I：
10.3103/S1067821209020035
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In this research, the effect of impurities such as Zn(II), Mn(II), Fe(III) and Fe(II) on the extraction of copper using LIXA (R) 984N in kerosene has been evaluated. Hence, a series of extraction tests have been conducted to determine the effects of each foreign ion on copper extraction. It was found that the extraction of copper from sulfate media by the exractant LIXA (R) 984N in kerosene is completely pH dependent to pHs around 2.18 vol % of LIXA (R) 984N was found to be optimum for the maximum extraction efficiency of copper and 93.9% extraction was achieved at the end of 600 seconds. The order of extraction of different ions in pHs around 2 by the extractant LIXA (R) 984N was found to be as: Cu(II) > F(III) > Mn(II) > Fe(II) > Zn(II). For pHs greater than 2.5, the order of extraction will be changed as Cu(II) > Fe(III) > Mn(II) > Zn(II) > Fe(II) and this order for the pHs a parts per thousand yen 4.5 was as Cu(II) > Fe(III) > Zn(II) > Fe(II) > Mn(II) which offers a good separation of ions using LIXA (R) 984N.
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页码：89 / 96
页数：8
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