Method for recovering fine granulated coal by flotation

Details Method for recovering fine granulated coal by flotation Method for recovering fine granulated coal by flotation

B - Operations, Transporting

03

D

361/2

B03D 1/04 (2006.01) B03B 1/04 (2006.01) B03D 1/02 (2006.01) C10L 9/02 (2006.01)

Patent

CA 1256601

ABSTRACT The present invention provides a method for flotation and recovery of fine granulated coal. The water slurry of fine powder coal with 5 - 20% by weight of a binder added, based on the pure coal matter, is stirred to manufacture the water slurry of fine granulated coal having a particle size of 100 - 250 µm. 100 - 200 ppm of a frother or a flotation agent with a frother base, based on the fine granulated coal, is added to the above-mentioned water slurry of fine granulated coal to recover the fine granulated coal by flotation.

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