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Oxidizing nitric oxide in gas stream from hydrocarbon fueled power source operated with fuel lean combustion mixture involves passing the gas stream through catalytic oxidation reactor which contains perovskite catalyst
Oxidizing nitric oxide in gas stream from hydrocarbon fueled power source operated with fuel lean combustion mixture involves passing the gas stream through catalytic oxidation reactor which contains perovskite catalyst
Oxidizing (M1) nitric oxide in gas stream from hydrocarbon fueled power source operated with fuel lean combustion mixture, involves passing the gas stream through a catalytic oxidation reactor, where the catalytic oxidation reactor comprising perovskite catalyst (I). Oxidizing (M1) nitric oxide in gas stream from hydrocarbon fueled power source operated with fuel lean combustion mixture, involves passing the gas stream through a catalytic oxidation reactor, where the catalytic oxidation reactor comprising perovskite catalyst of formula A 1B 1O 3(I). A 1 : rare earth metal from the Lanthanide series and/or alkaline-earth metal;and B 1 : transition metal Independent claims are included for the following: (1) catalytic oxidation reactor (R1) comprising perovskite catalyst having of formulae A 1B 1O 3(I), A 1A'B 1O 3(II), A 1B 1B'O 3(III), A 1A'B 1B'O 3(IV), or A 1A'B 1B'O 3(V); and (2) system (S1) for reducing nitrogen oxide (NO x) and particulate matter emissions in exhaust stream comprising catalytic oxidation reactor (R1), a particulate filter, and catalytic reduction reactor having selective catalytic reduction catalyst. A' : substitution of a promoter material for a portion of A 1;and B' : substitution of a promoter material for a portion of B 1.
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