NICKEL AND COBALT ORES: FLOTATION

Developments in of Nickel Sulde Minerals Collectorless Wotation It is known that chalcopyrite and pyrrhotite can be Soated without collectors at electrode potentials of #400 mV and #50 mV respectively, and pyrite does not Soat even at #700 mV. The underlying mechanism causing hy-drophobicity, although obscure, is attributed ...

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  • Laboratory Flotation Characterisation of a Uranium ...

    Laboratory Flotation Characterisation of a Uranium ...

    investigate the relative of uranium bearing minerals. QEM-SCAN analysis was conducted on the ... and apparently associated with sulphides and pyrite. The recovery of uranium minerals was moderate ... minerals such as talc or, kerogen were identified by XRD in all ore types studied.

  • Flotation Behavior of Malachite Using Hydrophobic Talc ...

    Flotation Behavior of Malachite Using Hydrophobic Talc ...

    Hajati et al. analyzed the of using nanoparticles TNs as collectors [ 13 ]. By adjusting the pH of a solution, and can become oppositely charged, and thus, electrostatic attraction between and is generated.

  • Selective depression behavior of guar gum on talc-type ...

    Selective depression behavior of guar gum on talc-type ...

     · The depression and mechanism of guar gum on talc-type scheelite were systematically investigated by experiments, adsorption tests, zeta-potential measurements, and infrared spectroscopic analyses. The results for monominerals, mixed minerals, and actual mineral samples indicated that guar gum exhibited much higher selective depression for talc than for ...

  • Froth flotation -

    Froth flotation -

    Froth 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.

  • International Journal of Metallurgical & Materials Engineering

    International Journal of Metallurgical & Materials Engineering

    method to separate minerals and talc. For process, there are selective talc before of -bearing minerals, the of -bearing minerals with depression talc, and the bulk talc and -bearing minerals. At present, the researches focus on the depression talc.

  • Investigation of surface properties of gangue minerals in ...

    Investigation of surface properties of gangue minerals in ...

    the activation with ions and subsequent , in the presence of xanthate, of the two minerals. He found strong floatability of the activated minerals but found that the addition of a depressant such as guar or CMC could cause some reduction in their floatability. Both Malysiak and Shackelton 2003 and Mailula 2004

  • The effect of a new polysaccharide on the depression of ...

    The effect of a new polysaccharide on the depression of ...

    The effect of the depressant galactomannan KGM on the depression talc and the a nickel–copper ore have been investigated through microflotation, batch and industrial tests, zeta potential and infrared spectrum measurements.

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