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Remove Mica Flakes (6 replies)
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Anyone have experience at removing flake mica from small scale (10-20tph ROM), after scrubber, before jig. I once saw a (South African) machine to do this, called a 'reverse spiral classifier'. A drum, 1.5 or 2m in diameter, 3-4m in length, with a flat bar welded inside in the form of a spiral. Flake mica was removed from the feed end, clean gravels/sand at the discharge end. Any ideas on who can make such a unit? Or any other idea to prevent mica entering into the jig.