calcium carbonate processing flotation solution
Method of floating calcium carbonate ore and flotation. Feb 24, 1998We claim: 1. A method of cleaning calcium carbonate ore containing silicate impurities which comprises subjecting said ore to a frothflotation process in the presence of a cationic collector, wherein the collector is a combination of a quaternary ammonium compound having the formula ##STR3## wherein one or two of the group R ...