Furnaces – Process – Treating fuel constituent or combustion product
Patent
1988-06-17
1989-11-07
Favors, Edward G.
Furnaces
Process
Treating fuel constituent or combustion product
110342, 110347, 422168, 423139, F23J 1100, F23J 1500
Patent
active
048784427
ABSTRACT:
An improved method for removing nitrogen oxides from concentrated waste gas streams, in which nitrogen oxides are ignited with a carbonaceous material in the presence of substoichiometric quantities of a primary oxidant, such as air. Additionally, reductants may be ignited along with the nitrogen oxides, carbonaceous material and primary oxidant to achieve greater reduction of nitrogen oxides. A scrubber and regeneration system may also be included to generate a concentrated stream of nitrogen oxides from flue gases for reduction using this method.
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Carlson, U.S. Statutory Invention Registration No. H19.
U.S. patent application Ser. No. 148, 513 filed Jan. 26, 1988; Allowed May 4, 1988.
Wendt et al., "Reduction of Sulfur Trioxide and Nitrogen Oxides by Secondary Fuel Injection", Fourteenth Symposium (Internat'l ) on Combustion, the Combustion Inst., 1973.
Neal, "Evaluation of the NOXSO Combines No.sub.x /SO.sub.2 Treatment Process", Flue Gas Cleanup Contractors' Review Meeting, U.S. DOE, 1984.
Yeh et al., "New Strategy to Decomposie Nitrogen Oxides From Regenerable Flue Gas Cleanup Processes", 194th ACS National Meeting, Aug. 30-Sep. 4, 1987.
Drummond Charles J.
Ekmann James M.
Pennline Henry W.
Yeh James T.
Favors Edward G.
Glenn Hugh W.
Gottlieb Paul A.
Hightower Judson R.
The United States of America as represented by the Department of
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