%0 Journal Article
%T Iron-impregnatedtitaniacompositesforthedecompositionoflow-concentrationaromaticorganicpollutantsunderUVandvisiblelightirradiation
%A Wan-Kuen Jo
%A Joon Yeob Lee
%J ´ß»¯Ñ§±¨
%P 2209-2216
%D 2013
%R 10.1016/S1872-2067(12)60688-3
%X £¿Fe-TiO2photocatalystswithdifferentratiosofFetoTiwerepreparedbyasol-gelprocessusingtetra-n-butyltitaniumandiron(¢ó)nitrateasTiandFesources,respectively.Thephotocatalyticfunctionofthepreparedcompositeswasexaminedforthedecompositionoflow-concentration(0.1ppm)airbornebenzene,toluene,ethylbenzene,ando-xylene(BTEX).TheFe-TiO2compositeswerecharacterizedbyenergydispersiveX-rayspectroscopy,X-raydiffraction,UV-visiblespectroscopy,andFouriertransforminfraredspectroscopy.Thetime-seriesratiosofoutlettoinletconcentrationsoftoluene,ethylbenzene,ando-xylenetargetchemicals,asdeterminedbytheFe-TiO2compositesundervisiblelightexposure,werelowerthanorsimilartothoseofthereferenceTiO2photocatalyst.Moreover,thetime-seriesratiosofoutlettoinletconcentrationsofthethreecompounds,asdeterminedfortheFe-TiO2composites,increasedastheratioofFetoTiincreasedfrom0.001to0.010.Incontrast,underUVexposure,thetime-seriesratiosofoutlettoinletconcentrationsofBTEX,determinedfortheFe-TiO2composites,weresimilartoorhigherthanthoseobtainedfromthereferenceTiO2photocatalyst.Fe-TiO2compositeswithanoptimalFetoTiratiocouldeffectivelybeappliedforthepurificationoflow-concentrationaromaticorganicpollutants.
%K Nanoparticle
%K Photocatalystcharacteristic
%K Impregnationratio
%K Indoorairpurification
%U http://www.chxb.cn/CN/abstract/abstract21124.shtml