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Separation of copper minerals from pyrite using air-metabisulfite treatment
Separation of copper minerals from pyrite using air-metabisulfite treatment
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机译:空气-亚硫酸氢盐处理从黄铁矿中分离铜矿物
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摘要
The present invention relates to flotation of sulfidic copper- molybdenum- and gold-containing minerals. More specifically, the invention relates to sulfoxy reagent-assisted flotation for separating of sulfides of copper, molybdenum and gold from pyrite, marcasite, pyrrhotite, arsenopyrite, and other gangue minerals following aerating by an oxidizing gas and contacting by a sulfoxy reagent. To promote collection and flotation the feed mineral materials are preferably not contacted with an externally generated non-oxidizing gas to lower the dissolved molecular oxygen content prior to flotation.
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