PREPRARATION OF CoPcS/TiO2/BEADS AND THEIR PHOTOCATALYTIC REACTIVITY FOR PHOTODEGRADATION OF VEGETABLE OIL FLOATING ON WATER

(整期优先)网络出版时间:2007-01-11
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ThepaperintroducesthepreparationoffloatingTiO2/beadsphotocalystattachedtothehollowglassmicro-beadssurfacebysol-geltechniqueusingtetrabutyltitanateasmaterialandthepreparationoffloatingCoPcS/TiO2/beadsbydip-coatigtechnique.TheoptimalfactorofdegradationofvegetableoilfloatingonwaterusingCoPcS/TiO2/beadswasstudied.Theresultshowedthattheremovalrateofvegetableoilfloatingonwatercanhighlyreach90%attheoptimalcondition(acidityorneutrality,375Wmedium-pressuremercuryvapourlamp,illumination2h~3h,1gCoPcS/TiO2/beads).ThephotocatalyticremovalefficiencycausingbyCoPcS/TiO2/beadswasincreasedrapidlybyaddingatraceamountofH2O2.