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(12) PATENT APPLICATION PUBLICATION
(19) INDIA (21) Application No.: 00742/KOLNP/2005 A
(22) Date of filing of Application: 27/04/2005 (43) Publication Date: 09/06/2006
(54) Title of the invention: FLUE GAS PURIFICATION METHOD
(51) International classification : B01D 53/60
(31) Priority Document No : 10/260,465
(32) Priority Date : 01/10/2002
(33) Name of priority country : US
(86) International Application No and : PCT/CA03/001508
Filing Date
: 01/10/2003
(87) International Publication No : WO 04/030797A1
(61) Patent of addition to Application No : NIL
Filed on : N.A.
(62) Divisional to Application No : NIL
Filed on : N.A.
(71) Name of Applicant:
AIRBORNE POLLUTION CONTROL INC
Address of the Applicant:
205-6223 2 ND STREET S.E. CALGARY
ALBERTA T2H 1J5 CANADA
(72) Name of the Inventor:
1. MORTSON MURRAY
2. BICHEL JOE
3. SCHAFF STEPHEN
4. JOHNSON DENNIS
Filed U/S 5(2) before The Patents (Amendment)
Act, 2005: NO
(57) Abstract:
A method of scrubbing SOx, NOx compounds and other air toxins from a flue gas stream. In the method, two distinct unit operations are
amalgamated to scrub SOx, NOx and other air toxins compounds from a flue gas stream. More specifically, there is a dry scrubbing
operation and a wet scrubbing operation. The dry injection scrubbing operation involves contacting a flue gas stream containing SOx and
NOx compounds with a sorbent for removing substantially all of the SOx and NOx compounds present in the stream. The second wet
scrubbing operation involves contacting the stream to remove any residual SOx, NOx compounds, and other air toxins remaining in the
stream.
(FIG. -1)
The Patent Office Journal 09/06/2006 11012