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heavy medium coal beneficiation problems in norway

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heavy medium coal beneficiation problems in norway

Jul 18 2018 · Summing up raw coal is usually crushed to 15 mm and then screened into three fractions 1525 mm 2505 mm and – 05 mm The 1525 mm fraction is washed in heavy medium washer and the 2505 mm fraction either in jigs or heavy medium cyclones The 05 fraction is usually upgraded by flotation Problems and prospects of flotation units

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