Circulating fluid bed combustion with CO combustion promoter and

Details Circulating fluid bed combustion with CO combustion promoter and Circulating fluid bed combustion with CO combustion promoter and

1988-11-14

1990-05-22

Dority, Carroll B.

Combustion

Process of combustion or burner operation

In a porous body or bed, e.g., surface combustion, etc.

110345, 110347, F23D 340

Patent

active

049273485

ABSTRACT:
Addition of a CO combustion promoter to a circulating fluid bed (CFB) combustion unit and reduction of the air addition rate to 100-110% of stoichiometric improves the efficiency of CO burning, reduces emissions of CO and improves the efficiency of the unit. Stable, reduced temperature operation with air rates close to stoichiometric, reduces NO.sub.x emissions. A circulating (100-400 micron particles) or fast settling (400-1200 micron particle) CO combustion promoter may be used.

REFERENCES:
patent: 4388877 (1983-06-01), Molayem et al.
patent: 4515092 (1985-05-01), Walsh et al.
patent: 4579070 (1986-04-01), Yung-Yi Lin et al.
patent: 4735705 (1988-04-01), Burk et al.

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