JOSEPH THOMAS CAVELLO
Engineers in New Kensington, PA
License number
Pennsylvania PE021617E
Category
Engineers
Type
Professional Engineer
Address
Address
New Kensington, PA 15068
Professional information
Method And Apparatus For Nox Reduction By Upper Furnace Injection Of Coal Water Slurry
US Patent:
5746144, May 5, 1998
Filed:
Jun 3, 1996
Appl. No.:
8/657322
Inventors:
Bernard P. Breen - Pittsburgh PA
James E. Gabrielson - Hanover MN
Joseph Cavello - New Kensington PA
James E. Gabrielson - Hanover MN
Joseph Cavello - New Kensington PA
Assignee:
Duquesne Light Company - Pittsburgh PA
International Classification:
F23J 1100
US Classification:
110345
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.