摘要/Abstract

用水热法制备了几种金属钼酸类化合物，并用X射线衍射（XRD）对这些化合物进行了表征.同时将这些金属钼酸类化合物作为双金属催化剂应用到烯烃和醇的选择性氧化中，探究了它们的双金属结合作用.实验发现在烯烃到醛的反应中这些金属钼酸类化合物存在双金属结合作用，且相比于单金属催化剂或其他钼酸类催化剂，由金属Co和Mo结合的钼酸钴，表现出很好的结合作用.在探索过程中，发现在醇到相应的羰基化合物的反应中，这种双金属催化剂也表现出了很好的效果（选择性为100%），这为以后催化氧化烯烃和醇提供了一种双金属结合的方法.
关键词: 金属钼酸化合物, 苯甲醛, 双金属结合, 选择性氧化
Several facile metal molybdates were prepared by hydrothermal method and characterized by X-ray diffraction (XRD). Meanwhile, the bimetallic combination effect of these metal molybdates as bimetallic catalysts applied to the selective oxidation of various olefins and alcohols was investigated. It was found that there was the existence of bimetallic combination effect and the combination of Co and Mo had benignant effect compared with the individual metal catalysts and other metal molybdates in the reaction of oxidizing olefins to aldehydes. This bimetallic catalyst also showed very prominent performance (selectivity is 100%) in the oxidation of the alcohols to corresponding carbonyl compounds. The combination of double metal provides a method for the catalytic oxidation of olefins and alcohols.
Key words: metal molybdates, benzaldehyde, bimetallic combination, selective oxidation


PDF全文下载地址:

点我下载PDF