復(fù)合纖維BiVO4的制備及其對印染廢水的可見光催化性能研究.pdf

1、青島大學(xué)碩士學(xué)位論文復(fù)合纖維BiVO4的制備及其對印染廢水的可見光催化性能研究姓名：盧葦申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：于德爽；于建強(qiáng)20110528AbstractBismuthVanadate(BiV04)isanovelvisiblelightresponsivematerialandshowedhi曲photocatalyticactivitywhichhasbeenreceivedextensiveattention

2、recentlyInthisdissertation，thephotocatalyticpropertyofBiV04forthedecomposionofdyesinwastewaterundervisible—lightirradiationwasstudiedInordertosolvetheproblemsofeasyflowingawayforpowdercatalyst，weloadedthephotocatalystont

3、ocarriersSOthatitcanbeappliedintoindustryInthisthesis，visiblelightresponsiveBiV04@fibermaterialwerepreparedbymeansofureacoprecipitation，solgel，andaqueousammoniaprecipitationprecessesThecharacterizationsofthematerialwerec

4、onductedonXRD、SEMandDRS，toinvestigatethecrystalstructure，surfacetopographyandphysicalpropertiesoftheBiV04@，fiberscompositematerialsThephotocatalyticactivityofBiV04@：fiberWasevaluatedbythedegradationsofindustrialdyeredFN一

5、3GundervisiblelightTheresultsdemonstratedthatBiV04powderpreparedbycitrateacidcomplexationprocessat573Kshowedbetterphotocatalyticpropertythantheothersampleswhichpossessmonoclinicscheelitestructure，thoughithastetragonalsch

6、eelitesturctureTheBiV04particlesCanbeeffectivelyandfirmlyimmobilizedontheBiV04@fibercompositematerialbymeansofureacoprecipitationTheBiV04particleloadonthefiberdisplayedbettersurfacetopographybutthephotocatalysisactivegot

7、certainimpactWellitWasfoundthatBiV04@fibermaterialthatpreparedbyaqueousammoniaprecipitationshowedthehighestphotocatalyticactivitywhichisagoodmethodofcompositefibermaterialandhavehugepotentialofpracticalapplicationKeyword