%0 Journal Article
%T Synthesisandcharacterizationofsulfur-titaniumdioxidenanocompositesforphotocatalyticoxidationofcyanideusingvisiblelightirradiation
%A E. S. Baeissa
%J ´ß»¯Ñ§±¨
%P 698-704
%D 2015
%R 10.1016/S1872-2067(14)60320-X
%X £¿Asol-gelmethodwasusedtoprepareTiO2andsulfur-TiO2(S-TiO2)nanocomposites,whichwerecharacterizedbyN2adsorption-desorption,X-raydiffraction,X-rayphotoelectronspectroscopy,photoluminescene,ultravioletvisibleandtransmissionelectronmicroscopymeasurements.ThephotocatalyticperformanceofTiO2andS-TiO2nanocomposites,withrespecttothephotocatalyticoxidationofcyanideundervisiblelightirradiation,wasdetermined.TheresultsrevealthatSiswelldispersedonthesurfaceofTiO2nanoparticles.Additionally,thesurfaceareaoftheS-TiO2nanocompositeswasobservedtobesmallerthanthatoftheTiO2nanoparticlesbecauseofblockedporescausedbydopingwithS.TheS-TiO2nanocomposite(0.3wt%S)exhibitedthelowestbandgapandthehighestphotocatalyticactivityintheoxidationofcyanide.ThephotocatalyticperformanceofS-TiO2(0.3wt%S)nanocompositeswasstable,evenafterthefifthreuseofthenanoparticlesfortheoxidationofcyanide.
%K Titaniumdioxide
%K Sulfur-doping
%K Photocatalyst
%K Cyanideoxidation
%U http://www.chxb.cn/CN/abstract/abstract21602.shtml