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转晶纳米TiO2的制备及其声催化活性的研究
引用本文:王君,潘志军,张朝红,张向东,温福宇,孙伟,张邯玉.转晶纳米TiO2的制备及其声催化活性的研究[J].无机化学学报,2005,21(10):1566-1570.
作者姓名:王君  潘志军  张朝红  张向东  温福宇  孙伟  张邯玉
作者单位:1. 辽宁大学化学系,沈阳,110036
2. 辽宁大学环境科学系,沈阳,110036
基金项目:国家自然科学基金资助项目(No.20371023)
摘    要:近几年兴起的半导体多相光催化技术在有机废水处理方面受到了人们的普遍关注1,2]。众多的半导体光催化剂材料中,TiO2因其化学性质稳定和催化效率高而倍受青睐3,4]。在紫外光的照射下,TiO2与H2O产生具有极强氧化能力的HO·自由基,最终可使废水中的有机物完全降解生成CO2,H2O以

关 键 词:TiO2    转晶    声催化降解    酸性红B
文章编号:1001-4861(2005)10-1566-05
收稿时间:2005-05-15
修稿时间:7/8/2005 12:00:00 AM

Transition Crystal Nanometer TiO2: Preparation and Sonocatalytic Activity
WANG Jun,PAN Zhi-Jun,ZHANG Zhao-Hong,ZHANG Xiang-Dong,WEN Fu-Yu,SUN Wei and ZHANG Han-Yu.Transition Crystal Nanometer TiO2: Preparation and Sonocatalytic Activity[J].Chinese Journal of Inorganic Chemistry,2005,21(10):1566-1570.
Authors:WANG Jun  PAN Zhi-Jun  ZHANG Zhao-Hong  ZHANG Xiang-Dong  WEN Fu-Yu  SUN Wei and ZHANG Han-Yu
Institution:Department of Chemistry, Liaoning University, Shenyang 110036,Department of Chemistry, Liaoning University, Shenyang 110036,Department of Environmental Science, Liaoning University, Shenyang 110036,Department of Chemistry, Liaoning University, Shenyang 110036,Department of Chemistry, Liaoning University, Shenyang 110036,Department of Chemistry, Liaoning University, Shenyang 110036 and Department of Chemistry, Liaoning University, Shenyang 110036
Abstract:The mixed crystal nanometer TiO2 sonocatalyst was prepared by ultrasonic irradiation in hydrogen peroxide solution. The sonocatalytic activities were validated through the degradation of acid red B solution by ultrasonic irradiation in the presence of the title TiO2 catalyst. The results show that the sonocatalytic activity of the title TiO2 catalyst is obviously higher than that of original rutile and anatase nanometer TiO2 catalysts. The degradation ratio of acid red B in the presence of the title TiO2 catalyst surpasses 75%, while the degradation ratios are only 54.62% and 35.24% for rutile and anatase nanometer TiO2 catalysts, respectively.
Keywords:TiO2  mixed crystal  sonocatalytic degradation  acid red B
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