Title:
METHOD AND APPARATUS FOR ZONAL INJECTION OF CHEMICALS INTO A FURNACE CONVECTIVE PASS TO REDUCE POLLUTANTS FROM FLUE GASES
Document Type and Number:
WIPO Patent Application WO2004105928
Kind Code:
A3
Abstract:
Zonal injection of varying compositions of chemicals, particularly an ammonia-based reagent and hydrocarbon, through injection lances (24-26) arranged in a grid formation to define planar zones in a furnace convective pass (10). The supply of chemicals is controlled so as to be individually determined for each discrete zone of the grid depending on conditions in that zone.
Inventors:
STUART AROL
HESSELMAN GERARD J W C
LEFEBVRE BARBARA
MACPHAIL JOHN
MELLING PETER
YATES G A
SMITH MICHAEL J
MORRIS KEITH W
HESSELMAN GERARD J W C
LEFEBVRE BARBARA
MACPHAIL JOHN
MELLING PETER
YATES G A
SMITH MICHAEL J
MORRIS KEITH W
Application Number:
PCT/US2004/014522
Publication Date:
February 03, 2005
Filing Date:
May 21, 2004
Export Citation:
Assignee:
MITSUI BABCOCK US LLC (US)
International Classes:
B01D47/00; B01D53/56; B01D53/79; B01J8/00; B01J; (IPC1-7): B01D47/00; B01J8/00
Foreign References:
| US6548033B2 | 2003-04-15 | |||
| US5326536A | 1994-07-05 | |||
| US5020457A | 1991-06-04 |
Other References:
See also references of EP 1646440A4
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