Amine Flotation of Chromite Ores from the Stillwater Complex, Mont

摘要

The Bureau of Mines, U.S. Department of the Interior, devised a flotation technique for upgrading chromite in chromium ores and gravity concentrates. The technique consisted of cationic flotation of chromite from a slime-free pulp acidified to pH 2.5 or lower using H2SO4 modifier.