Flue gas treating system and process

Details Flue gas treating system and process Flue gas treating system and process

2005-03-08

2005-03-08

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C423S239100, C423S242100, C423S243010, C423S243020, C423S243070, C423S243080, C423S243090

Reexamination Certificate

active

06863875

ABSTRACT:
In a flue gas treating system, an absorption tower (21), a reheating section (22) and a fan (23) are arranged in line on a vertical axis so as to function as at least a part of a stack for emitting the treated flue gas into the atmosphere. Moreover, in a flue gas treating process, the amount of ammonia injected in the denitration step (a denitrator (2)) and/or the amount of ammonia at a point downstream of the denitration step are determined so as to be on such an excessive level that ammonia or ammonium salt will remain in the flue gas introduced into the desulfurization step (absorption tower (21)). Thus, the size and cost of the equipment can be reduced.

REFERENCES:
patent: 3660045 (1972-05-01), Gladu et al.
patent: 3712029 (1973-01-01), Charlton et al.
patent: 3839971 (1974-10-01), Snelling et al.
patent: 4288420 (1981-09-01), Ito et al.
patent: 4310498 (1982-01-01), Malki et al.
patent: 4573418 (1986-03-01), Märzendorfer et al.
patent: 4671807 (1987-06-01), Charlton
patent: 5024171 (1991-06-01), Krigmont et al.
patent: 5525317 (1996-06-01), Bhat et al.
patent: 5567226 (1996-10-01), Lookman et al.
patent: 5603909 (1997-02-01), Varner et al.
patent: 5795548 (1998-08-01), Madden et al.
patent: 27 52 288 (1979-05-01), None
patent: 36 36 554 (1988-05-01), None
patent: 93 19 017.4 (1994-03-01), None
patent: 9319017 (1994-04-01), None
patent: 0 059 315 (1982-09-01), None
patent: 0 232 976 (1987-08-01), None
patent: 50-101247 (1975-08-01), None
patent: 55-147134 (1980-11-01), None
patent: 57-188984 (1982-11-01), None
patent: 07-108131 (1995-04-01), None
patent: 07-112117 (1995-05-01), None
patent: 08-000951 (1996-01-01), None
Kohl et al.Gas Purification4th Ed. Gulf Publishing Co. USA, ISBN 0-87201-314-6, pp. 367-371, 1985.*
English Translation of DE G93 19 017.4 U1, Apr. 21, 1994.*
Perry et al.Chemical Engineers' Handbook(5th Ed.) McGraw-Hill Book Co. USA, ISBN 0-07-049478-9, pp. 9-50, 9-51 and 11-3 to 11-8, 1973.

Affiliated with

Also associated with

Rating

Flue gas treating system and process does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Flue gas treating system and process, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flue gas treating system and process will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3417147