B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/343, 183/83
B01D 53/34 (2006.01) B01D 46/02 (2006.01) B01D 53/50 (2006.01)
Patent
CA 1158419
PROCESS FOR DESULFURIZATION, DEDUSTING AND DISCHARGE OF HOT FLY ASH-CONTAINING FLUE GAS AND BAGHOUSE UNIT FOR USE IN THE PROCESS. ABSTRACT In connection with the desulfurization and dedusting of flue gas where use is made of a combined spray drying and absorption and the material produced by this process is filtered off from the gas stream together with fly ash, a heating of the flue gas is performed prior to its discharge into the atmosphere by admixture of hot, non- purified flue gas. This admixture takes place so that the flue gas serving for the reheating passes through only a part of the available filter area, which allows the remaining part of the filter area to be kept at a relatively low temperature. This results in a particularly high sulfur dioxide ab- sorption being achieved during the passage of the flue gas through the filter. A baghouse unit divided up in a special manner can be used in the process.
380791
Felsvang Karsten S.
Gude Klaus E.
A/s Niro Atomizer
Babcock & Wilcox Company The
Gowling Lafleur Henderson Llp
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