At Hazen, our knowledge and experience in this field include the commonplace and the exotic We have studied not only the flotation of sulfides, gold ores, iron ores, coal, oil shale, and many other nonmetallics, but also soluble salts, oxides, and some uncommon materials from waste streams
US4022686A - Flotation process for copper ores and ,
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a flotation process for copper ores and copper smelter slags and, particularly to an effective flotation process for application to the treatment of copper oxide or
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