Active Surface Structure of AgMoO2PO4·MoO3 Catalyst for Selective Oxidation of Propane

Abstract

Abstract: The active surface structure of AgMoO₂PO₄·MoO₃ catalyst was investigated by in situ confocal microprobe Raman spectroscopy, evaluation of catalytic performance, XRDand XPStechniques. The results show that MoO₃ and [Mo₇O₂₄ ] 6^- may be reconstructed to [Mo₆O₁₉ ]^2- under the reaction conditions. The structure change only occurred on the catalyst surface, and thus [Mo₆O₁₉ ]^2- may be an active dynamic surface structure responsible for the better catalytic performance of selective oxidation of propane.

Key words: Propane, Selective oxidation, Active surface structure

CLC Number:

O643.1

TrendMD:

ZHANG Xin, WENG Wei-Zheng, WAN Hui-Lin . Active Surface Structure of AgMoO₂PO₄·MoO₃ Catalyst for Selective Oxidation of Propane[J]. Chem. J. Chinese Universities, 2001, 22(8): 1382.

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Active Surface Structure of AgMoO₂PO₄·MoO₃ Catalyst for Selective Oxidation of Propane

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