Behavior of arsenic in zinc electrowinning

被引：5
|
作者：
Yu Xiao-hua [1 ]
Xie Gang [1 ]
Li Rong-xing [1 ]
Li Yong-gang [2 ]
Lu Ying [1 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Peoples R China
[2] Yunnan Met Grp Co, Ctr Technol, Kunming 650031, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2010年 / 20卷
关键词：
zinc electrowinning; arsenic; cathode polarization; kinetics equation; parameters;
D O I：
10.1016/S1003-6326(10)60011-8
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The effects of arsenic on the cathode polarization process in zinc electrowinning, its kinetics equation, parameters and polarization mechanism were studied by multiple electrochemistry approaches. The experimental results show that, if [As(3+)]>= 3 mg/L, electrowinning first enters into stationary passivation range, and then enters into precipitation range, which indicates that the depolarization function of impurity arsenic is zinc electrowinning.
引用
收藏
页码：S50 / S54
页数：5
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