Pumpable solid fuels for small furnace

Details Pumpable solid fuels for small furnace Pumpable solid fuels for small furnace

1983-01-24

1985-07-16

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 53, 44 67, C10L 132

Patent

active

045294089

ABSTRACT:
A method is described for preparing a solid fuel in the form of a coal/liquid slurry for use in small furnaces. The fuel has a relatively uniform heating value of 10,000 to 14,000 Btu per pound and is prepared by crushing and grinding coal to less than 200 mesh, blending the coal fines with additives for SO.sub.x abatement, for ignition and oxidation promotion, and ash modifiers to improve the combustion quality of the fuel. The blended coal mixture is wetted with water and then slurried with oil, water or alcohol to form a thick slurry. The thick slurry is stabilized by proper selective of surfactants, polymers and other additives by way of interparticle bonding or bridging to provide a pumpable solid fuel that is stable in storage.

REFERENCES:
patent: 4210423 (1980-07-01), Yan
patent: 4282006 (1981-08-01), Funk

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