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- W1969942973 abstract "Abstract The catalyst systems V 2 O 5 -Ag (V:Ag= 1:0.003) supported on α-Al 2 O 3 and TiO 2 (anatase) were investigated in the selective oxidation of cyclopentadiene to maleic anhydride and phthalic anhydride. The catalysts were prepared by impregnation and the loading of V 2 O 5 -Ag on the supports was 1–20 wt.-%. Catalysts supported on α-alumina showed very poor dispersion of vanadia. The size of the vanadia crystallites increased with increasing amount of loading. The small vanadia crystallites existing at low loadings showed higher phthalic anhydride selectivity than the bulk vanadia. Catalysts supported on titania (anatase), however, showed high dispersion of vanadia, existing as a monolayer and scattered small crystallites. The crystallite sizes were almost constant, independent of loading. Phthalic anhydride selectivity was high on the titania support. The high selectivity for phthalic anhydride production seemed to result from the small-sized vanadia particles." @default.
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- W1969942973 date "1990-01-01" @default.
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- W1969942973 title "Catalytic oxidation of cyclopentadiene over supported vanadium pentoxide—silver catalysts" @default.
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- W1969942973 doi "https://doi.org/10.1016/s0166-9834(00)81718-2" @default.
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