摘要
旋流电积是指通过电解液的循环流动加强液相传质,有效消除浓差极化,实现从低浓度、复杂溶液中高效选择性提取目标金属的一种新型有色金属分离提取技术.旋流电积技术广泛应用于重金属、贵金属、稀散金属分离提取和溶液净化除杂中.文中介绍了旋流电积技术的设备组成,总结了旋流电积技术在应用中的工艺流程、工艺参数和技术指标.结果表明,旋流电积技术对电解液要求低,适用性广,可以缩短工艺流程,提高生产效率.旋流电积技术在阴极产品质量、金属回收率、电流效率,能耗和生产成本等技术指标优势明显,应用前景广阔.
Cyclone electrowinning is an advanced separation and extraction technology in non-ferrous metallurgy.It enhances mass transfer by circulation of electrolyte,eliminating concentration polarization effectively and extracting metals from complex solutions with a low concentration efficiently.It is widely used in the separation and extraction of heavy metals,precious metals and rare metals as well as solution purification.Its equipment is introduced and the technical process,parameters and indicators in its applications are summarized in this paper.The results show that this technology can be widely used in electrowinning electrolyte,shortening the process flow and improving productivity.There is a bigger role for cyclone electrowinning to play in the field of metallurgy owing to its favorable technical indicators such as cathode product quality,metal recovery rate,current efficiency,energy consumption and production cost.
作者
黎邹江
李栋
许志鹏
郭学益
李伟
朱刘
LI Zoujiang;LI Dong;XU Zhipeng;GUO Xueyi;LI Wei;ZHU Liu(School of Metallurgy and Environment,Central South University,Changsha 410083,China;Daye Nonferrous Metals Co.,Ltd.,Huangshi 435005,China;Guangdong First Rare Materials Co.,Ltd.,Qingyuan 511517,China)
出处
《有色金属科学与工程》
CAS
2019年第5期1-7,共7页
Nonferrous Metals Science and Engineering
基金
国家自然科学基金资助项目(51604303)
关键词
旋流电积
有色金属
分离提取
净化除杂
cyclone electrowinning
non-ferrous metal
separation and extraction
purification
