二氧化鈦光催化與環(huán)境(英文)課件

ApplicationofTiO2photocatalyticdegradationProfessor:Reporter:Course：TheScienceandDesignofEngineeringMaterialsApplicationofTiO2photocatalApplicationofTiO2photocatalyticdegradationInorganiccompounds

1Organiccompounds2WhitePollutionControl3Sterilization,disinfection,airpurification4ApplicationofTiO2photocatalApplicationofTiO2photocatalyticdegradationInorganiccompounds

Manyinorganiccanbephotolysisonthesurfaceofsemiconductor.

Include:ammonia,azide,chromiumtype,cyanide,halide,ferrous,manganesetype,mercury,nitrateandnitrite,nitricoxideandnitrogendioxide,oxygen,ozone,palladiumclass,platinum,Rhodiumclass,silverclass,acidandsoon.

ApplicationofTiO2photocatalApplicationofTiO2photocatalyticdegradationOrganiccompounds:Forexample:Sewageherbicides,pesticides,dyes,surfactants,alkanes,cycloalkanes,alcohols,carboxylicacids,surfactants,odorsubstancesendsoon.ApplicationofTiO2photocatalApplicationofTiO2photocatalyticdegradationWhitePollutionControlWeightlosscurveofpurePS,PS-TiO2andPS-G-TiO2compositefilmsunderUVilluminationinair.

ThedegradationofPSfilmcompositeunderSunlightApplicationofTiO2photocatalApplicationofTiO2photocatalyticdegradationThepolymerthatcanbePhotocatalyticdegradation:PS-TiO2,PVC-TiO2,PP-TiO2ApplicationofTiO2photocatalApplicationofTiO2photocatalyticdegradationantimicrobialagentAntibacterialceramicsKillingoftumorcellsHandlingNOx,SO2andotherharmfulgasesSterilization,disinfection,airpurificationApplicationofTiO2photocatal

OtherapplicationsofTiO2TiO2OtherapplicationsAirPurifierPaintCosmeticsPlasticNano-ceramicOtherapplicationsofTiO2TiOOtherapplicationsofTiO2PhotocatalyststoragebagsGeneralstoragebagsOtherapplicationsofTiO2PhotOtherapplicationsofTiO2其用于化妝品，有曬不黑的美譽(yù)OtherapplicationsofTiO2其用于化OtherapplicationsofTiO2其用于塑料必將帶來塑料使用和降解的全新概念，添加了納米鈦白粉的塑料降解快，在塑料制品中添加1%的銳鈦晶型的納米二氧化鈦可使塑料在太陽光下的自然降解速率提高80%以上，而用納米鈦白制成的薄膜涂在塑料的表面，又能大大延長塑料在太陽光下的使用壽命。OtherapplicationsofTiO2其用于塑OtherapplicationsofTiO2運(yùn)用納米鈦白可以在低溫、低壓條件下生產(chǎn)質(zhì)地致密且具有顯著超塑性的納米陶瓷，這種陶瓷克服了傳統(tǒng)陶瓷材料質(zhì)脆、韌性差的缺點(diǎn)，使陶瓷具有象金屬一樣的柔韌性和可加工性，如納米陶瓷CaF2和TiO2在室溫下具有優(yōu)良的韌性，在180℃經(jīng)受彎曲而不產(chǎn)生裂紋。

OtherapplicationsofTiO2運(yùn)用納米OtherapplicationsofTiO2金紅石晶型的納米鈦白由于其晶胞為正四面體，原子之間的結(jié)合較為緊密，其光活性較低，采用特殊的包膜技術(shù)在其表面包覆一層無機(jī)物，可使其在大氣中