flotation process us

  • US Patent # 5,074,993. Flotation process Patents.com

    A method of flotation of sulfides wherein pyrrhotite is depressed by use of a water-soluble polyamine while non-ferrous metal-containing sulfide or sulfidized ...

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  • flotation process Infoplease

    in mineral treatment and mining, process for concentrating the metal-bearing mineral in an ore . Crude ore is ground to a fine powder and mixed with water, frothing ...

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  • Froth flotation Wikipedia

    Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.