二氧化钛光催化与环境英文.ppt

ApplicationofTiO2photocatalyticdegradation,ApplicationofTiO2photocatalyticdegradation,InorganiccompoundsManyinorganiccanbephotolysisonthesurfaceofsemiconductor.Include:ammonia,azide,chromiumtype,cyanide,halide,ferrous,manganesetype,mercury,nitrateandnitrite,nitricoxideandnitrogendioxide,oxygen,ozone,palladiumclass,platinum,Rhodiumclass,silverclass,acidandsoon.,ApplicationofTiO2photocatalyticdegradation,Organiccompounds:Forexample:Sewageherbicides,pesticides,dyes,surfactants,alkanes,cycloalkanes,alcohols,carboxylicacids,surfactants,odorsubstancesendsoon.,ApplicationofTiO2photocatalyticdegradation,WeightlosscurveofpurePS,PS-TiO2andPS-G-TiO2compositefilmsunderUVilluminationinair.,ThedegradationofPSfilmcompositeunderSunlight,ApplicationofTiO2photocatalyticdegradation,ThepolymerthatcanbePhotocatalyticdegradation:PS-TiO2,PVC-TiO2,PP-TiO2,ApplicationofTiO2photocatalyticdegradation,antimicrobialagent,Antibacterialceramics,Killingoftumorcells,HandlingNOx,SO2andotherharmfulgases,Sterilization,disinfection,airpurification,OtherapplicationsofTiO2,AirPurifier,Paint,Cosmetics,Plastic,Nano-ceramic,OtherapplicationsofTiO2,Photocatalyststoragebags,Generalstoragebags,OtherapplicationsofTiO2,其用于化妆品，有晒不黑的美誉,OtherapplicationsofTiO2,其用于塑料必将带来塑料使用和降解的全新概念，添加了纳米钛白粉的塑料降解快，在塑料制品中添加1%的锐钛晶型的纳米二氧化钛可使塑料在太阳光下的自然降解速率提高80%以上，而用纳米钛白制成的薄膜涂在塑料的表面，又能大大延长塑料在太阳光下的使用寿命。,OtherapplicationsofTiO2,运用纳米钛白可以在低温、低压条件下生产质地致密且具有显著超塑性的纳米陶瓷，这种陶瓷克服了传统陶瓷材料质脆、韧性差的缺点，使陶瓷具有象金属一样的柔韧性和可加工性，如纳米陶瓷CaF2和TiO2在室温下具有优良的韧性，在180经受弯曲而不产生裂纹。,OtherapplicationsofTiO2,金红石晶型的纳米钛白由于其晶胞为正四面体，原子之间的结合较为紧密，其光活性较低，采用特殊的包膜技术在其表面包覆一层无机物，可使其在大气中有良