前言三出口工艺是一种新型分馏萃取工艺,其在一个流程中可以同时获得易萃组份A、中间组份B和难萃组份C三个产品,因而简化了稀土多组份体系的分离工艺,增加了产品品种和工艺的灵活性,并提高了设备处理能力及工业生产的经济效益。 Introduction Three export process is a new fractionation extraction process, which can be obtained in a stream of easy-extraction component A, intermediate component B and hard-component C three products, thus simplifying the separation of rare earth multi-component system Process, increase product variety and process flexibility, and improve the processing power of equipment and industrial production of economic benefits.