Chemistry Letters

Oxidation behavior of vanadyl pyrophosphate as a n-butane oxidation catalyst

I Matsuura, K Yoshida, A Mori

Index: Matsuura, Ikuya; Yoshida, Kiyomi; Mori, Atsuhito Chemistry Letters, 1987 , p. 535 - 538

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Citation Number: 5

Abstract

(VO) 2 P 2 O 7 is oxidized to β-VOPO 4 via β′-phase (d= 4.87, 4.23, 3.19, 2.64 Å) which was probably a phosphate such as VPO 4.75 containing vanadium in the average oxidation state of+ 4.5. However, when excess phosphorus is present in (VO) 2 P 2 O 7, oxidation stops at the stage of β′-phase. This suggests that the new phase, β′-VPO 4.75, is a selective catalyst for n-butane oxidation to maleic anhydride.

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