Process for beneficiation of mixtures of mineral particles ...
1999-4-16 · 3. A beneficiation process as defined by claim 1 wherein the mixture of mineral particles is an ore containing titanium, yttrium, cerium, lanthanum, niobium, calcium, tantalum, tin, iron, manganese or copper. 4. A beneficiation process as defined by claim 1 wherein the minerals which chelate with hydroxamates are minerals containing iron or ...