Method for separating coal particles from an aqueous slurry

Details Method for separating coal particles from an aqueous slurry Method for separating coal particles from an aqueous slurry

1986-06-25

1988-03-29

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

23313R, 44 24, 209 5, 210729, C02F 154

Patent

active

047342064

ABSTRACT:
The invention relates, in one embodiment, to a method for separating coal particles from an aqueous slurry in which a multiple emulsion of oil in water is added to the aqueous slurry, the mixture is agitated to form agglomerates of coal particles, and the coal particles are separated from the remaining aqueous slurry. By the use of a multiple emulsion of oil in water, the amount of coal recovered per unit weight of oil is increased.

REFERENCES:
patent: 1995603 (1935-03-01), Cunningham
patent: 3856668 (1974-12-01), Shubert
patent: 3974073 (1976-08-01), Sze et al.
patent: 4153419 (1979-05-01), Clayfield et al.
patent: 4209301 (1980-06-01), Nicol et al.
patent: 4254105 (1981-03-01), Fukuda
patent: 4436618 (1984-03-01), Rigby et al.

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