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AssigneeKunming University of Science and Technology
InventorsDianwen Liu, Guohui Wang
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Discloses a combined depressant for sphalerite flotation separation and its application, the combined depressant including reducing substance and anthocyanin. It is used as a combined depressant for sphalerite in the flotation separation of chalcopyrite and sphalerite or galena and sphalerite. After crushing and grinding the raw ore, the combined collector and foaming agent are added to the ore pulp for copper-zinc or lead-zinc flotation. During the copper-zinc or lead-zinc separation process, the combined depressant is added as the sphalerite depressant, isopentyl xanthate is used as the collector of chalcopyrite or galena, pine oil is used as the foaming agent, the froth product is copper concentrate or lead concentrate, and the bottom product is zinc concentrate. The combined depressant of the disclosure has a strong inhibitory effect on sphalerite and can effectively achieve flotation separation of chalcopyrite and sphalerite or galena and sphalerite.
A combined depressant for sphalerite, comprising a reducing substance and anthocyanin, wherein the reducing substance is sodium sulfide or ferrous sulfate, and the anthocyanin is selected from cranberry extract, peanut skin extract, or grape seed extract, the mass ratio of the reducing substance to the anthocyanin depends on the reducibility strength of the reducing substance;
Dependencies are inferred from the claim text.