B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/62 (2006.01)
Patent
CA 2739245
A method and system for reducing an amount of ammonia in a flue gas stream. The system 100 includes: a wash vessel 180 for receiving an ammonia-containing flue gas stream 170, the wash vessel 180 including a first absorption stage 181a and a second absorption stage 181b, each of the first absorption stage 181a and the second absorption stage 181b having a mass transfer device 184; and a liquid 187 introduced to the wash vessel 180, the liquid 187 for absorbing ammonia from the ammonia-containing flue gas stream 170 thereby forming an ammonia-rich liquid 192 and a reduced ammonia containing flue gas stream 190 exiting the wash vessel 180.
Linvention concerne un procédé et un système de réduction dune quantité dammoniac dans un courant de gaz de combustion. Le système (100) comprend : une cuve de lavage (180) destinée à recevoir un courant de gaz de combustion contenant de lammoniac (170), la cuve de lavage (180) comprenant une première étape dabsorption (181a) et une seconde étape dabsorption (181b), la première étape dabsorption (181a) et la seconde étape dabsorption (181b) comprenant chacune un dispositif de transfert de masse (184) ; et un liquide (187) introduit dans la cuve de lavage (180), le liquide (187) étant destiné à absorber lammoniac du courant de gaz de combustion contenant de lammoniac (170), afin de former un liquide riche en ammoniac (192) et un courant de gaz de combustion contenant une quantité réduite dammoniac (190) qui quittent la cuve de lavage (180).
Gal Eli
Jayaweera Indira
Alstom Technology Ltd
Smart & Biggar
LandOfFree
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