摘要
研究膜电解电溶法制备高纯氯化镍工艺中电流密度、盐酸浓度、温度对电流效率和槽电压的影响。优化工艺条件为 :电流密度DC=2DA=40 0A/m2 ,盐酸浓度 3mol/L ,电解液温度 40℃。与电解工艺相比 ,以电解镍为原料生产高纯氯化镍 ,膜电解电溶法是环境友好、能耗低。
The high purity nickel chloride is prepared by membrane electrolytic dissolution process Effect of parameters including current density, concentration of hydrochloric acid, temperature on the anodic current efficiency and cell voltage are investigated The optimized technological conditions are as follows: current density D C=2D A=400A/m 2, concentration of hydrochloric acid 3 mol/L, temperature 40℃ Compared to the acid dissolution process, the membrane electrolysis for producing high purity nickel chloride from the cathode nickel is friendly to environment, with low energy consumption and high efficiency
出处
《有色金属》
CSCD
2003年第1期66-67,85,共3页
Nonferrous Metals
基金
教育部博士学科专项科研基金资助项目 (980 5 330 6)
关键词
冶金技术
氯化镍
阴离子交换膜
电解电溶
metallurgical technology
high purity nickel chloride
anion exchange membrane
electrolytic dissolution
