Solid oxide solutions as catalysts —A comparison with supported Pt
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Solid oxide solutions (SOS) of La, Sr and Cr of the formula La1-xSrxCrO3-β (where δ is the deviation from stoichiometry and 0 <x < 0.5) exhibit catalytic activity for oxidation (CO-oxidation) which rivals that of a highly dispersed 0.5% Pt/alumina fume abatement catalysts. Hydrogenation (of propylene) activity is also manifest with the SOS formulation. Exposure of the SOS catalyst to H2S does not reduce catalytic activity.
KeywordsOxide Hydrogenation Physical Chemistry Catalysis Propylene
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