The rare earth metal molten salt electrolysis technology is an important metallurgical process for efficient extraction of rare earth metals from rare earth minerals or concentrates.This technology has the characteristics of high selectivity,high enrichment rate and high purity products,and plays a key role in realizing efficient utilization of rare earth resources.In this paper,the principle,process flow,electrolytic system,cathode design and electrolytic conditions of rare earth metal molten salt electrolysis technology are reviewed,and the challenges and development trends of this technology are discussed.
关键词
稀土金属/熔盐电解/电解原理/工艺流程/阴极设计
Key words
rare earth metals/molten salt electrolysis/principle of electrolysis/process flow/cathode design
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