Abstract:

Recent progress in MoVTeNbO mixed metal oxide catalysts are reviewed with focuses on the preparation procedure on the formation of catalyst active phase，such as the solution pH value，drying and thermal treatment method. The crystal structure study in the latest literatures are summaried and the relationship between catalyst structure and catalytic performance are illustrated. The reaction mechanism of propane selective oxidation to acrylic acid and ammoxidation to acrylonitrile over MoVTeNbO catalyst are discussed. Optimization in preparation conditions，improvement in the diffusion rate of lattice oxygen，regulation in surface acidity and active center initiation are critical to achieve superior catalytic properties．

摘要：

综述了复合金属氧化物催化剂MoVTeNbO的研究进展，重点介绍了制备过程中溶液的pH值、干燥方式的选择及热处理过程对催化剂活性相形成的影响，阐述了在晶相结构方面最新的研究成果以及晶相结构与催化反应性能的关系。总结了在该催化剂上丙烷氧化制丙烯酸和氨氧化制丙烯腈的反应机理。优化制备条件、提高晶格氧的扩散速率，调控催化剂的酸碱性以及引发活化烃或氧的活性中心是获得优良催化性能的关键因素。