The invention of xanthate has greatly promoted the progress of beneficiation technology.
All kinds of xanthate can be used as collectors for froth flotation, and the amount used in
this field is the largest. Ethyl xanthate is usually used in easy-floating sulfide ores.
The preferred flotation; the combined use of ethyl xanthate and butyl (or isobutyl)
xanthate is usually used for the flotation of polymetallic sulfide ore.