Reducing mode circulating fluid bed combustion

Details Reducing mode circulating fluid bed combustion Reducing mode circulating fluid bed combustion

1985-03-01

1986-04-01

Favors, Edward G.

Furnaces

Process

Treating fuel constituent or combustion product

110245, 110342, 110347, 122 4D, 431 7, F23J 1100, F23J 1500

Patent

active

045790701

ABSTRACT:
A method for combustion of sulfur-containing fuel in a circulating fluid bed combustion system wherein the fuel is burned in a primary combustion zone under reducing conditions and sulfur captured as alkaline sulfide. The reducing gas formed is oxidized to combustion gas which is then separated from solids containing alkaline sulfide. The separated solids are then oxidized and recycled to the primary combustion zone.

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