A METHOD FOR IMPROVING SELECTIVITY AND RECOVERY IN THE FLOTATION OF NICKEL SULPHIDE ORES THAT CONTAIN PYRHOTITE BY EXPLOITING THE SYNERGY OF MULTIPLE DEPRESSANTS

摘要

A method of synergistic use of multiple inhibitors that improves the inhibition of iron sulfide without reducing or reducing the recovery of useful sulfide minerals in flotation of nonferrous metal sulfides, while reducing or eliminating the use of environmentally problematic chemicals such as polyamines. The method has significant economic and environmental advantages. Multiple inhibitors comprise at least one organic polymer, at least one sulfur-containing compound and / or at least one nitrogen-containing organic compound.