An ore dressing method for beneficiating copper from copper bearing ore by froth flotation employing the collector which comprises a mixture of an O,O bis phosphorodithioic compound, e.g., sodium O,O bis phosphorodithioate, and a thiono compound which is an alkyl xanthogen formate, e.g., isobutyl xanthogen alkyl ethyl formate, and/or a
Mineral Processing and Ore Dressing. Metallurgical ContentMilling History AmalgamationConcentration of MineralsBulk FlotationSelective FlotationFlotation of Nonmetallic MineralsOrder of Mineral FloatabilityLeaching by Cyanidation Before the event of ore dressing, crude ores were shipped directly to the smelters, or the refineries, with the shipper paying the
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Mineral dressing The first process most ores undergo after they leave the mine is mineral dressing , also called ore preparation, milling, and ore dressing or ore beneficiation. Ore dressing is a process of mechanically separating the grains of ore minerals from the gangue minerals, to produce a concentrate ...