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For the selective catalytic reduction of NO x with alkanes to N 2 over Fe/ZSM-5 catalysts, prepared by sublimation, we had previously shown that NO is oxidized over Fe–oxo ions to NO 2 which forms chemisorbed NO y complexes. Subsequent reaction of the NO y groups with alkanes results in N-containing deposits that react with different adsorbed NO 2 molecules...
Fe/ZSM-5 prepared via sublimation catalyzes the reduction of NO x to N 2 in the presence of excess O 2 and H 2 O. Propane,iso-butane, and propene are active reductants; methane is inactive. The NO x reduction rate is negligible in the absence of O 2 ; it increases steeply withP O2 and passes through a maximum. The equilibrium between NO+O...