脉冲电解法制备金属镍的工艺研究  

Preparation of Metal Nickel by Pulse Electrolytic Technology

作　　者：唐小冬[1] 田晓雪[1] 

机构地区：[1]西安工程大学环境与化学工程学院,陕西西安710048

出　　处：《化工技术与开发》2011年第8期12-14,共3页Technology & Development of Chemical Industry

摘　　要：研究了高电流密度下影响脉冲电解制备镍的因素,得到最佳工艺条件为:电解液中支持电解质硫酸氨用量为35～45g.L-1,阴阳极的极间距范围在4～6cm之间,添加剂用量:氯离子3.0mg.L-1,尿素0.25mg.L-1,甘油0.5mg.L-1。并采用激光粒度分析仪和扫描电镜对电解产品的粒度分布、粒径和形貌特征进行观察和分析。The factors affected the preparation of pulse electrochemical nickel by high current density were studied.The optimum technological conditions for 35℃electrolysis were obtained： in supporting electrolyte,electrolyte dosage of ammonium sulfate was 35～45g·L-1,and the distance between anode and cathode was 4～6cm.Additive amount： concentration of chloride 3.0 mg·L-1,concentration of urea 0.25mg·L-1,concentration of glycerin 0.5 mg·L-1.The granularity distributing,particle size and appearence characteristics of electrolysis products were analyzed by laser particle size analyzer scanning electron microscope.

关 键 词：脉冲电解 镍 制备 

分 类 号：O614.813[理学—无机化学]