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- W2949964972 abstract "The selective oxidation of 1-butene and 1,3-butadiene was studied by transmission infrared spectroscopy. Vanadium-phosphorus-oxygen catalysts prepared by the reaction of V/sub 2/O/sub 5/ with H/sub 3/PO/sub 4/ in alcohol solution were used. Infrared spectra were collected in situ during the flow of 75 cm/sup 3/ of 1.5% hydrocarbon-in-air mixtures over catalysts having P-to-V ratios of 0.9, 1.0, and 1.1. Reaction temperatures from 300 to 400 /sup 0/C were investigated with 1-butene feeds, whereas the highly reactive 1,3-butadiene was studied only at 300 /sup 0/C. An adsorbed butadiene species, maleic acid, and maleic anhydride were observed during both olefin partial oxidation studies. Evidence was obtained for a second olefin species which had been previously observed for in situ n-butane selective oxidation studies. Concentrations of adsorbed species were found to vary with catalyst phosphorus loading, reaction temperature, and time of exposure to reaction conditions." @default.
- W2949964972 created "2019-06-27" @default.
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- W2949964972 date "1987-08-04" @default.
- W2949964972 modified "2023-09-26" @default.
- W2949964972 title "ChemInform Abstract: In situ FTIR Spectroscopy of 1-Butene and 1,3-Butadiene Selective Oxidation to Maleic Anhydride on V-P-O Catalysts" @default.
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- W2949964972 doi "https://doi.org/10.1002/chin.198731097" @default.
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