%0 Journal Article %T 紫外光照射下Fe-碳纳米管/TiO2复合材料降解罗丹明B %A ZHANG Kan %A MENG Zeda %A OH Wonchun %J 催化学报 %P 751-758 %D 2010 %X ?ThecompositescomprisingFe-carbonnanotubes(CNTs)onTiO2werepreparedbyamodifiedsol-gelmethodandcharacterizedbynitrogenadsorption,scanningelectronmicroscopy,transmissionelectronmicroscopy,X-raydiffraction,andenergydispersiveX-rayanalysis.ThephotocatalyticdecompositionofrhodamineB(Rh.B)underUVirradiationandairaerationcatalyzedbythecompositeswasmeasured.ThephotocatalyticactivityofTiO2nanoparticleswassignificantlyenhancedbythelargeCNTnetworkthatfacilitatedelectrontransferbetweenadsorbedRh.Bmoleculesandthecatalystsubstrateandthesimultaneousoccurrenceofthephoto-FentonreactioninthepresenceofFeparticles.Amarkedaccelerationofthedecompositionratewasobservedwithaerationbyflowingairaerationduetotheformationofthecirculatoryphoto-Fentonsystem.Chemicaloxygendemandofpiggerywastewasmeasuredatregularintervalstoevaluatethemineralizationofwastewater. %K iron %K carbonnanotube %K titania %K rhodamineB %K photocatalyticactivity %K photo-Fenton %U http://www.chxb.cn/CN/abstract/abstract17123.shtml