Experimental Research on Separating a Scheelite Ore in Guizhou

In this ore,there are many kinds of gangue minerals and the content of the gangue minerals is higher,moreover,the dissemination relation is comparatively complicated.They are all key factors influencing separation results of the scheelite ore.An experimental research was carried out by adopting the technological flowsheet of one rough grinding-two rougher flotation-six cleaning flotation,and by selecting sodium carbonate(Na 2CO 3),water glass(Na 2SiO 3),carboxymethyl cellulose(ROCH 2COONa-CMC),sodium oleate(C 17 H 33 COONa),etc.as flotation reagents.A flotation concentrate of 48.56% WO 3 was obtained with a recovery of 85.02%,and after table separation of the flotation concentrate,two produsts of 74.39% WO 3 with a recovery of 32.28% and of 40.51% WO 3 with a recovery of 52.74% can be respectively obtained.