液相沉積法制備TiO-,2--ACF凈化室內(nèi)甲醛及吸附光催化機(jī)理的研究.pdf

1、西安工程大學(xué)碩士學(xué)位論文液相沉積法制備TiOACF凈化室內(nèi)甲醛及吸附光催化機(jī)理的研究姓名：申祚飛申請學(xué)位級別：碩士專業(yè)：供熱、供燃?xì)?、通風(fēng)及空調(diào)工程指導(dǎo)教師：黃翔顏蘇芊20070123LiquidphasedepositionMethodDevelopTiOJACFPurifyIndoorFormaldehydeandMechanismofAdsorptionandPhotocatalyticResearchAbstractActiva

2、tedCarbonFiber(ACF)canbeusedinadsorpinglowconcertrationofindoor’Sharmfulgasesbyitsrelativesurfacebig、microporerichandtheadsorptioncharacteristicsofspeed；butACFjusttransfersthepollutiontothepartialenvironmentofhi曲concentr

3、ations；whichexistsadsorptioncapacityandsecondarypollutionproblemsNanoTi02photocatalyticactivityishighandstable，oxidationcapacitycheapdrug—freefeaturesNanoTi02photocatalyticdegradationoforganicpollutants，theconcentrationo

4、fpollutantsisrelativelyhigh，higllperformance；degradationconcentrationislowphotocatalyticdegradationslowerpaceNanoTi02wascoatedonACFthroughanewmethodthedevelopmentofanewtypeofairfiltermaterials；whichprovidesagoodmethodfor

5、theissueofindoorairqualityWetookthe(NH4)2TiF6、H3803、ACFasmainrawmaterials，developnewkindsoffunctionalairfiltermaterial(a)and(b)throughLiquidphasedepositionmethodCharacterizedbySEMtothefiltermaterial，mostofTi02’ssizeWason

6、thenanometerrangeFiltermaterialACFthefiltermaterial(a)，filtermaterial(b)degradationofalowconcentrationofformaldehydegasadsorptionphotocatalyticstatictests，theresultsshowedthatPhotocatalyticmakesfiltermaterial(a)、filterma

7、terial(b)thedegradationrateincreasedby125％and10％respectivelyTofiltermaterial(a)、(b)，experimentalstudyoftheadsorptiondynamicphotocatalyticO2m／sintheareato26m／sphotocatalyticDegradationofformaldehydehaveshownthat：boththefi

8、ltermaterial(a)and(b)，withtheincreaseinspeed，degradationrateroseinitiallythendecreasedgraduallyAt14“C，24“C，34“C；thefiltermaterial(a)and(b)，theadsorptionphotocatalysingformaldehydestudyTheresultsshowthat：forthefiltermater

9、ial(a)and(b)，theadsorptionofformaldehydephotocatalyticoxidationrateremainbasicallyunchangednosignificantchangesinthelaw；forthefiltermaterial(a)and(b)，twodifferentinitialconcentrationsofformaldehydeStudy，theresultsshowtha