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一种新型纳米TiO2涂膜及其光催化性能的研究
引用本文:吴凤清,阮圣平,李晓平,高伟,徐宝琨,赵慕愚.一种新型纳米TiO2涂膜及其光催化性能的研究[J].高等学校化学学报,2000,21(10):1578-1580.
作者姓名:吴凤清  阮圣平  李晓平  高伟  徐宝琨  赵慕愚
作者单位:1. 吉林大学化学系
2. 吉林大学电子工程系,长春 130023
摘    要:随着工业的发展及人类对环境保护的认识不足等原因 ,使人类赖以生存的环境受到严重的污染1 ,2 ] .尤其是人类本来就非常短缺的水资源的污染 ,已引起有关部门、环保工作者及研究工作者的高度重视 .他们采用各种方法防止和控制水资源的继续污染及对污水的处理 .污水处理通常可分为三种类型 :即分离处理、稀释处理和转化处理 .前二种处理方法不能改变污染物的化学性质 ,使污染物得不到彻底分离 ,有时还产生二次污染等问题 .转化处理是通过化学方法和生化方法改变污染物的化学性质 ,使其转化成无害物质 .随着环保技术的发展 ,转化处理日益受到…

关 键 词:二氧化钛  纳米晶  污水处理  有机物降解  催化性能
文章编号:0251-0790(2000)10-1578-03

Photocatalytic Degradation Properties Studies of A New Nanocrystalline TiO2 Coating Film
WU Feng-qing,RUAN Sheng-Ping,LI Xiao-Ping,GAO Wei,XU Bao-kun,ZHAO Mu-Yu.Photocatalytic Degradation Properties Studies of A New Nanocrystalline TiO2 Coating Film[J].Chemical Research In Chinese Universities,2000,21(10):1578-1580.
Authors:WU Feng-qing  RUAN Sheng-Ping  LI Xiao-Ping  GAO Wei  XU Bao-kun  ZHAO Mu-Yu
Abstract:The TiO2 powder was prepared by a stearic acid gel method. XRD characterization indicated that the crystal form was anatase. The grain size, given out by Sherrer formula, is 19 nm. With polystyrene dissolved in toluene as binder, TiO2 adhered to the glassfibre substrate. By this method, the powder was immobilized and the crystal form, grain size and photocatalysis activities were wellmaintained. Photocatalysis degradation properties were investigated by putting the TiO2 immobilization film in the methyl orange aqueous system. The results indicated that the differences of degradation rate between the TiO2 immobilization film and powder were not obvious, which made waste water treatment using photocatalysis degradation technique possible in the practical application.
Keywords:Nanocrystalline  TiO2 immobilization  Catalytic capability
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