Solvent extraction separation of Co, Mn and Zn from Ni-rich leaching solution by Na-PC88A

被引：7
|
作者：
Ahn, JG [1 ]
Park, KH [1 ]
Sohn, JS [1 ]
机构：
[1] Korea Inst Geosci & Mineral Resources, Minerals & Mat Proc Div, Yuseong Gu, Daejoen 305350, South Korea
来源：
MATERIALS TRANSACTIONS | 2002年 / 43卷 / 08期
关键词：
spent nickel-cadmium battery; solvent extraction; sodium-PC88A; nickel; cobalt; zinc; manganese;
D O I：
10.2320/matertrans.43.2069
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Solvent extraction experiments for separation of impurities from Ni-rich solution were carried out for manufacturing of high purity Ni compounds from acid leaching solution of spent Ni-Cd secondary battery. Artificial and leaching solutions were used as aqueous phases and PC88A saponified by sodium in kerosene were used as organic phase. The extraction order is Zn > Mn > Co > Ni and extraction percentage of metal ions was increased with increase of the concentration of extractant, initial pH of aqueous phase and ratio of O/A. The separation of cobalt, zinc and manganese from nickel was effectively accomplished at the condition of extraction stage = 1, O/A = 1 and initial pH 5.0 with 1.0 mol/dm(3) PC88A saponified to 50% with NaOH.
引用
收藏
页码：2069 / 2072
页数：4
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