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semiautogenous mill
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semiautogenous mill

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use in mineral processing

  • Schematic diagram of a flotation separation cell.
    In mineral processing: Grinding

    …development is the autogenous or semiautogenous mill. Autogenous mills operate without grinding bodies; instead, the coarser part of the ore simply grinds itself and the smaller fractions. To semiautogenous mills (which have become widespread), 5 to 10 percent grinding bodies (usually metal spheres) are added.

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