Reactant-selective oxidation over composite zeolite-4A coated Pt/γ-Al2O3 particles
2007
Abstract The concept of reactant selectivity via zeolite membranes fabricated on a catalyst particle level has been demonstrated in terms of the oxidation reaction of a mixture of CO and n -butane over composite zeolite-4A coated Pt/γ-Al 2 O 3 particles. At the applied conditions, the conversion of n -butane over the composite catalyst is practically zero, attributed to the molecular-sieve effect, while CO oxidation is almost complete because of the reactants CO and O 2 diffusing through the zeolite-4A pores and then the oxidation taking place on Pt/γ-Al 2 O 3 .
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