Antimony Ore Beneficiation of antimony processing plant. Flotation separation is a common method for antimony ore beneficiation. Antimony sulfide minerals are easy-floating mineral, so flotation method is often used to improve ore grade. Antimony processing plant.Antimony Ore Beneficiation Processing PRLog. 21 Feb 2012 Because there are many kinds of antimony ores, hand separation, gravity separation and flotation Beneficiation of Saudi phosphate ores part II the.