China's primary rare earth resources are consumed seriously,and the contradiction between supply and demand has become increasingly prominent.Focusing on the recycling and reuse of rare earth secondary resources is an urgent need and inevitable choice for social development.This article summarizes and analyzes the sources of rare earth functional material wastes such as rare earth polishing powder waste,Nd-Fe-B waste and rare earth catalyst waste,as well as the comprehensive recycling process methods.On the basis of summarizing the advantages and disadvantages of different recovery processes,the article provides an outlook on the development trend of the recycling of China's rare earth secondary resources.
关键词
稀土功能材料废料/固体废物/回收利用
Key words
waste of rare earth functional materials/solid waste/recycling
维普
万方数据