Method and apparatus for coal treatment

Details Method and apparatus for coal treatment Method and apparatus for coal treatment

1976-03-29

1977-11-22

Sprague, Kenneth W.

Furnaces

With fuel treatment means

Preliminary refuse treatment means

44 1R, 44 1G, 44 2, 110106, F23K 104

Patent

active

040590607

ABSTRACT:
Method and apparatus for upgrading subbituminous coal and/or lignite fuel product that does not comply with an applicable SO.sub.x :Btu standard during the combustion thereof. The fuel product is treated at the combustion site to lower the total moisture content thereof from between about 15 and 45 percent to between about 4 and 7 percent. Heavier weight ash particles are removed from the fuel product to lower the sulfur content thereof. The treated fuel product is burned while it is in the 4 to 7 percent total moisture range, thereby meeting the applicable SO.sub.x :Btu standard during the combustion process.

REFERENCES:
patent: 2716002 (1955-08-01), Craig
patent: 3002472 (1961-10-01), Miller
patent: 3043525 (1962-07-01), Gilbert
patent: 3640016 (1972-02-01), Lee et al.
patent: 3909212 (1975-09-01), Schroeder
patent: 3917465 (1975-11-01), Meyers

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