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- W2363645239 abstract "The flotation behavior of marmatite and arsenopyrite and the effects of Cu~(2+) and organic depressant PALA on their floatability were studied.The results show that marmatite and arsenopyrite have good flotability in the acidic medium but are not floatable in the alkaline medium using the butyl xanthate as a collector.Cu~(2+) activates the flotation of marmatite and arsenopyrite to different degrees.They could not be separeated in the absence of organic depressant PALA.Cu~(2+) activating arsenopyrite is depressed in the presence of organic depressant PALA and mamatite remains good floatability in the same case.Infrared adsorption spectra demonstrate that there is a number of function groups such as —COO~-,OC—NH_2 in the molecular structure of PALA.PALA competes with xanthate in the adsorption onto sulfide minerals.The adsorption of PALA onto arsenopyrite is favoured.PALA with a number of hydrophilic function groups makes the flotation of arsenopyrite depressed.The flotation separation of arsenopyrite from marmatite can be carried out by using PALA as organic depressant and Cu~(2+) as activator." @default.
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- W2363645239 date "2006-01-01" @default.
- W2363645239 modified "2023-09-25" @default.
- W2363645239 title "Selective flotation separation of marmatite from arsenopyrite by organic depressant" @default.
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