方铅矿与黄铜矿浮选分离中方铅矿抑制剂研究进展

方铅矿和黄铜矿的浮选分离主要采用抑铅浮铜工艺。但目前铅铜分离效率低，方铅矿和黄铜矿的分离仍然是选矿领域的难点。高效、有选择性的方铅矿抑制剂已经成为一个研究热点，近年来国内相继研发出一批新型的抑制剂。针对方铅矿抑制剂进行总结，根据抑制剂的化学结构和应用方式，把抑制剂分为无机抑制剂、有机抑制剂、组合抑制剂、新型抑制剂四类。总结了近年来四类抑制剂的药剂结构特点、分选效率、作用机理，并对抑制剂的未来发展方向进行展望。

Research progress of galena inhibitor in flotation separation of galena and chalcopyrite

The flotation separation of galena and chalcopyrite mainly adopts the process of separation of copper by depressing lead. However, the separation of copper-lead has disadvantage such as low efficiency, and the separation of galena and chalcopyrite is still a difficult point in the field of mineral processing. The efficient and selective depressants of galena have become a research hotspot. In recent years, a number of new depressants have been developed in China. In this paper, the depressants of galena are summarized. The depressants are divided into four categories according to their chemical structures and application methods: inorganic depressants, organic depressants, combined depressants and new-type depressants. The structural characteristics, sorting efficiency and action mechanism of four kinds of depressants in recent years are summarized, and the development direction of depressants were prospected in the future.