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- W2085696547 abstract "CO adsorption and CO oxidation by O2 were studied over alumina-supported copper and copper—chromium oxide from 300 to 673 K. After evacuation at room temperature, Cu+CO and carbonate-like complexes were observed on copper-containing catalysts upon CO adsorption. Both the copper and the chromium oxide species were easier to reduce on CuO*Cr2O3/Al2O3 compared with CuO/Al2O3 and Cr2O3/Al2O3 owing to the presence of a mixed oxidic phase. CO can react directly from the gas phase with oxygen at the surface under formation of a CO2 surface species as a reaction intermediate. This indicates an Eley—Rideal mechanism. CO2 adsorption results in bands similar to those observed upon CO and upon CO and O2 admission. CO2 inhibits the CO oxidation reaction in two ways — via the more weakly, reversibly bound CO2, and via the more strongly, irreversibly held carbonates." @default.
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- W2085696547 date "1992-07-01" @default.
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- W2085696547 title "In situ FT—IR study of copper—chromium oxide catalysts in CO oxidation" @default.
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- W2085696547 doi "https://doi.org/10.1016/0304-5102(92)80237-b" @default.
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