TiO2-SiO2复合氧化物的制备及在液相氧化中应用的研究进展  

Progress in Preparation of TiO2-SiO2 Composite Oxide and Its Application in Liquid Phase Oxidation

作　　者：李坤 姚楠[1] LI Kun;YAO Nan(College of Chemical Engineering,Zhejiang University of Technology,Hangzhou 310014,China)

机构地区：[1]浙江工业大学化学工程学院

出　　处：《合成化学》2019年第11期917-922,929,共7页Chinese Journal of Synthetic Chemistry

基　　金：膜分离与水处理省协同创新中心项目(G1504126001900-003)

摘　　要：TiO2-SiO2复合氧化物是一种新型催化剂,因其在液相氧化方面有着高效的催化能力,而逐渐受到广泛关注。本文详细介绍了近年来国内外TiO2-SiO2复合氧化物的制备方法(如化学沉淀法,溶胶-凝胶法,非水解溶胶-凝胶法和水热法)及其对复合氧化物材料孔结构,元素分布均匀程度影响的研究进展。同时总结了近年来TiO2-SiO2复合氧化物在催化氧化方面的应用,并提出了TiO2-SiO2复合氧化物今后研究需关注的问题。TiO2-SiO2 composite oxide is a new type of catalyst.This material has attracted wide attentions due to its high catalytic activity in the liquid-phase oxidation reaction.This article presents the preparation methods of TiO2-SiO2 composite oxide in recent years(e.g.chemical precipitation method,sol-gel method,nonhydrolytic sol-gel method and hydrothermal method).Also,the influence of the preparation method on the pore structure of the composite oxide materials and the uniformity of element distribution were introduced.Meantime,the applications of TiO2-SiO2 composite oxides in the field of the catalytic oxidation reaction were summarized,and some suggestion to the future research work relevant to TiO2-SiO2 composite oxide were also proposed.

关 键 词：TiO2-SiO2复合氧化物 制备 孔结构 催化氧化反应 综述 

分 类 号：TQ[化学工程]