B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/86 (2006.01) B01D 53/88 (2006.01)
Patent
CA 2438688
A gas phase reactror for hte selective catalytic reduction of nitrogen oxide in a gas stream includes a shell conclosing an interior space in which is located at least one catalyst bed containing a catalyst for the selective converion of NOx. An injector upstream of the catalyst introduces a reducing agent such as ammonia into the inlet gas stream. The catalyst bed can include particulate, monolith, or microengineered catalyst. A burner is employed to raise the temperature of the inlet gas stream. A heat exchanger is used to transfer heat from treated gas to the inlet gas. optionally, a deflector is used to deflect gas flow through the heat exchanger.
L'INVENTION CONCERNE UN REACTEUR A PHASE GAZEUSE DE REDUCTION CATALYTIQUE SELECTIVE DE L'OXYDE D'AZOTE CONTENU DANS UN FLUX GAZEUX. CE REACTEUR COMPREND UN CORPS RENFERMANT UN ESPACE INTERIEUR DANS LEQUEL EST SIS AU MOINS UN LIT CATALYTIQUE CONTENANT UN CATALYSEUR DESTINE A LA CONVERSION SELECTIVE DU NO¿X?. UN INJECTEUR SITUE EN AMONT DU CATALYSEUR INTRODUIT UN AGENT DE REDUCTION COMME L'AMMONIUM DANS LE FLUX GAZEUX D'ENTREE. LE LIT CATALYTIQUE PEUT COMPRENDRE UN CATALYSEUR PARTICULAIRE, MONOLITHE OU MICROMECANIQUE. UN BRULEUR EST UTILISE EN VUE DE FAIRE AUGMENTER LA TEMPERATURE DU FLUX GAZEUX D'ENTREE. UN ECHANGEUR DE CHALEUR EST UTILISE EN VUE DE TRANSFERER LA CHALEUR PROVENANT DU GAZ TRAITE VERS LE GAZ D'ENTREE. UN DEFLECTEUR EST EVENTUELLEMENT UTILISE EN VUE DE DRAINER LE FLUX GAZEUX A TRAVERS L'ECHANGEUR DE CHALEUR.
Abb Lummus Global Inc.
Mcfadden Fincham
LandOfFree
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