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In this study, chitosan polymer was tested as a potential selective green depressant of pyrite in the bulk flotation of galena pbs and chalcopyrite cufes 2 from sphalerite zns and pyrite fes 2 using sodium isopropyl xanthate as a collector and 4-methyl-2-pentanol mibc as a frother.Flotation tests were carried out in a d12-denver flotation laboratory cell in the presence and.
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