Study on Preparation and Photocatalytic Activity of Nano-TiO2/Precipitated Silica Composite Material
作者单位:China University of Mining and Technology(Beijing)
会议名称:《2012 China Functional Materials Technology and Industry Forum》
会议日期:2013年
学科分类:081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术]
关 键 词:Precipitated silica Nanometer titanium dioxide Composite material Photocatalysis
摘 要:Using precipitated silica as the carrier,a kind of composite photocatalyst was prepared through hydrolysisde positing *** obtained composite material was characterized by XRD, SEM,TEM,*** on the experimental results and analysis of characterization,the preparation mechanism of composite powder material was *** photocatalytic degration experiment of Rhodamine-B indicates that the precipitated silica is an ideal carrier of the TiO,and the photocatalyst can combine with the silica *** photocatalytic activity of the obtained composite material is stabilize and constant.