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Pyrite Fine crushing

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Oct 01, 2012· There is quite a bit of pyrite in it, but there is a little fine gold and small chunky flakes. In this film I am showing how to tell …

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DRY SEPARATION OF PYRITE FROM COAL

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available pyrite from relatively coarse coal. Removal of fine pyrite, however, requires crushing the coal to very fine size. If these fine coals are cleaned by wet methods, problems of drying and wet waste disposal are introduced. An integrated dry process was investigated that involved grinding Centrif-

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DRY SEPARATION OF PYRITE FROM COAL - web.anl.gov

DRY SEPARATION OF PYRITE FROM COAL BY W. T. Abel, M. Zulkoski and G. J. Gsuntlett U. S. Department of the Interior, Bureau of ... Removal of fine pyrite, however, requires crushing the coal to very fine size. If these fine coals are cleaned by wet methods, problems of drying and wet waste