Selective oxidation of propylene to acrolein over silver-promoted hexagonal molybdates and derivative Ag/Ag2Mo4O13/α-MoO3 composites

Qingting Zhang,Andreas Goldbach,Na Ta,Wenjie Shen

APPLIED CATALYSIS A-GENERAL（2021）

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摘要

•Selective propylene oxidation over NH4+ and Ag+ exchanged hexagonal molybdates.•NH4+ consumption leads to ammoxidation products.•Ag+ strongly enhances acrylonitrile and acrolein formation over hexagonal framework.•Ag+ exchanged hexagonal frameworks transform into Ag/Ag2Mo4O13/α-MoO3 nanocomposite.•Ag2Mo4O13 strongly promotes acrolein formation over the nanocomposite.

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关键词

Hexagonal molybdate, Ag2Mo4O13, Thermal stability, Acrolein, Ammoxidation

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