A copper and cobalt mines veinlets and disseminated copper and cobalt mining, mineral composition of the ore is relatively simple, in addition to cobalt-containing pyrite, chalcopyrite and pyrrhotite, few other metallic minerals. Non-metallic minerals are quartz, calcite, sericite. The average grade of ore milled sulfur content of 4% copper, 0.8%, 0.02% cobalt, oxidation rate is low, is a low-sulfur easy ores. The concentrator using the first floating copper, election of copper tailings thickener dehydration re-election cobalt (cobalt ore) process to recover copper and cobalt.
Plant flotation is characterized by:
(1) copper flotation circulation using respectively the selection process, the first two slots surfaced about roughing rough concentrate separate selection of a final copper concentrate, after rising to rough concentrate after two selection to final ore.
(2) the use of the selective collector ether amino thioester the (flotation 234) foaming agent phenethyl vinegar oil separation with the copper-cobalt pyrite, compared with the original butyl xanthate, pyridine prescription , under the premise of maintaining the copper indicators, cobalt recovery increased by 10%, the lime the consumption from 4kg/t- reduced to 2-3kg / t cobalt-election without sulfuric acid activation.

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