EFFECT OF DIFFERENT PARAMETERS ON SYNERGISTIC SEPARATION OF NICKEL AND CADMIUM FROM SULFATE SOLUTION USING D2EHPA AND CYANEX 302

被引：0
|
作者：
Babakhani, Ataollah [1 ]
Rashchi, Fereshteh [1 ]
Zakeri, Alireza [2 ]
Vahidi, Ehsan [1 ,3 ]
机构：
[1] Univ Tehran, Univ Coll Engn, Sch Met & Mat Engn, Tehran 11155, Iran
[2] Iran Univ Sci & Technol, Sch Met & Mat, Tehran 16846, Iran
[3] Univ S Florida, Dept Civil & Environm Engn, Tampa, FL 33620 USA
来源：
T.T. CHEN HONORARY SYMPOSIUM ON HYDROMETALLURGY, ELECTROMETALLURGY AND MATERIALS CHARACTERIZATION | 2012年
关键词：
Solvent Extraction; Synergism; D2EHPA; Cyanex; 302; Nickel; Cadmium; NI-CD BATTERIES; SOLVENT-EXTRACTION; LEACH LIQUORS; RECOVERY; COBALT; ACID; MIXTURES; TOPS-99;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The synergistic effect of Cyanex 302 on solvent extraction of nickel and cadmium from sulfate solution with D2EHPA diluted in kerosene was investigated with the aim of increasing separation efficiency. Experiments were carried out within a pH range of 0.1-5.0 using sole D2EHPA and D2EHPA-Cyanex 302 mixtures in different ratios. Increasing Cyanex 302 to D2EHPA ratios in the organic phase caused a left shifting of the extraction isotherm of cadmium and a right shifting of the extraction isotherm of nickel. As a result, optimum separation was found with a Cyanex 302 to D2EHPA ratio of 0.1M:0.5M. In the present system, effect of a modifying reagent such as TBP was studied. The influence of various diluents including kerosene and carbon tetrachloride was also investigated.
引用
收藏
页码：697 / 705
页数：9
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