Froth floatation process for separating carbon from coal ash

Details Froth floatation process for separating carbon from coal ash Froth floatation process for separating carbon from coal ash

1998-12-01

1999-08-10

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209166, 209 17, 209 3, 241 2424, 106705, 106DIG1, B03B 904, B03D 102

Patent

active

059362162

ABSTRACT:
A froth floatation process for separating carbon from coal ash incorporates a step of screening the coal ash before the coal ash is formed into a slurry.

REFERENCES:
patent: 1984386 (1934-12-01), Tshcudy
patent: 2136074 (1938-11-01), Crawford
patent: 4121945 (1978-10-01), Hurst
patent: 4426282 (1984-01-01), Aunsholt
patent: 4652433 (1987-03-01), Ashworth
patent: 5047145 (1991-09-01), Hwang
patent: 5227047 (1993-07-01), Hwang
patent: 5817230 (1998-10-01), Groppo

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