The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 1998
Filed:
Jun. 03, 1996
Applicant:
Inventors:
Bernard P Breen, Pittsburgh, PA (US);
James E Gabrielson, Hanover, MN (US);
Joseph Cavello, New Kensington, PA (US);
Assignee:
Duquesne Light Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23J / ;
U.S. Cl.
CPC ...
110345 ; 110238 ; 110245 ; 431187 ; 431284 ;
Abstract
In a method for reducing NOx in the flue gas a coal water slurry is injected into the furnace above the primary combustion zone into a region having a temperature from 1800.degree. F. to 2700.degree. F. The slurry is preferably injected through atomizers and through injectors that introduce a continuous stream. Lime, ammonia, urea and completion air can also be injected.
Breen, Bernard. (1998). Method and apparatus for nox reduction by upper furnace injection of (U.S. Patent No. 5746144). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5746144
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