納米光催化空氣凈化技術(shù)的基礎(chǔ)研究與應(yīng)用開發(fā).pdf

1、北京工業(yè)大學(xué)博士后學(xué)位論文納米光催化空氣凈化技術(shù)的基礎(chǔ)研究與應(yīng)用開發(fā)姓名：鹿院衛(wèi)申請學(xué)位級別：博士后專業(yè)：機械設(shè)計及理論指導(dǎo)教師：馬重芳20030901北京工業(yè)大學(xué)博士后研究L作報告AbstractThePhotocatalyticTechnologyofairpurificationusingnanometerTi02asphotocatalysthasbeenatopicofmajorintheworldContrastwithot

2、hermultiphasephotocatalyitcoxidationmethodwhichoperatedinhightemperature，thenanometerphotocatalyticoxidationtechnologyhasit’Sadvantage，whichcarlnotonlyfunctionatambientconditionsoftemperaturesandpressure，butgalaalsouseth

3、emildestandmostprevalentoxidant，molecularoxygen(02)，andisactiveagainstthebroadestpossiblerangeofcontaminantstructureThepurposeofthisdisquisitionistOremovetheundesiredorganiccontaminantsinindoorairbyphotocatalyticoxidatio

4、ntechnologyThecontentsofresearchincludethepreparationofnanometerphotocatalystthestudyOfTi02filmIoadedOndifferentsubstrates，thetestoffourdomesticphotocatalyticairpurifier’Sperformance，thedesignofthepohotocatalyticreactora

5、ndtheanalysisoft11einfluenceofdifferentfactorsontheefficiencyofphotocatalyticoxidationnlenanometerTi02photocatalystWaspreparedbySol—GelmethodThesizeTi02photocatalystWaSattherangeof1020nanometeranalyzedbyXRD，TEMandSEM，whi

6、chwastreatedatthetemperatureof400oCTheTi02filmgrownOildifierentsubstrateswasstudiedinordertomakeithavefastnessandactivityTheresultsshownthattheTi02filmformedbysprayingthesuspendedTi02photocatalystOilsubstrateshavethehJig

7、hphotocatalyticactivityandthelOWstabilitythereexisttheshellOffofphotocatalticalpanicleiftheTi02particlewasmixedwiththelatexwhichcontainingthesilicon，thentheTi02filmhavethehighstability，buttheactivityisverylowerBychoosing

8、andanalyzing，theTi02particleloadedontheporousceramicsorhoneycombpaperusinginorganicadhesivehavethehigherstabilityandactivityTheperformanceofphotocatalyticairpurifierproducedbyJapan(DakinandSharp)，AmericaandChinawereteste

9、dindetailThepurifier’SinteriorconstructionwasanalyzedTheperformanceproblemsofthosepurifierswerethenfoundThetopictechnologytoimprovingthepurifier’sefficiencywasalsofound，Atthebasisofabovestudy，theinteriorconstructionofpho

10、tocatalyticreactorWasoptimizeddesignedandfoundtheinfluenceofinteriorconstructionofreactiononthepurifiersefficiencyThecoupledeffectofpurifier’Sinteriorflowfiled，concentrationfieldradiationfield，temperaturefield，humidityfi

11、eldOntheefficiencyofpurifierwerestudiedTheDerformanceofpurifiercanbeimprovedbymatchingdifferentfieldsandharmonizingdifferentfactorsThent1ephotocatalyticairpurifierwasmanufacturedTheefleetofphotocatalystactivity，lightinte