氧化鈦光催化與環(huán)境英ppt課件

1、CompanyLOGOProfessor: Reporter:Course：The Science and Design of Engineering MaterialsApplication of TiO2 photocatalytic degradationInorganic compounds 1Organic compounds2White Pollution Control 3Sterilization, disinfection, air purification4Application of TiO2 photocatalytic degradationvInorganic co

2、mpoundsv Many inorganic can be photolysis on the surface of semiconductor.v Include: ammonia, azide, chromium type, cyanide, halide, ferrous, manganese type, mercury, nitrate and nitrite, nitric oxide and nitrogen dioxide, oxygen, ozone, palladium class, platinum, Rhodium class, silver class, acid a

3、nd so on.vApplication of TiO2 photocatalytic degradationvOrganic compounds:v For example: Sewage herbicides, pesticides, dyes, surfactants, alkanes, cycloalkanes, alcohols, carboxylic acids, surfactants, odor substances end so on.Application of TiO2 photocatalytic degradationWhite Pollution Control

4、050100150200250300051015202530 Weightloss (%)Illumination time / h pure PS fi l m PS-Ti O2(1w t % ) fi l m PS-G -Ti O2(0. 4w t % ) fi l m PS-G -Ti O2(1w t % ) fi l m Weight loss curve of pure PS, PS-TiO2 and PS-G-TiO2 composite films under UV illumination in air. 05010015020025030005101520 weight lo

5、ss/%illumination PS-G-TiO2 pure PSThe degradation of PS film composite under Sunlight Application of TiO2 photocatalytic degradationThe polymer that can be Photocatalytic degradation: PS-TiO2, PVC-TiO2, PP-TiO2Application of TiO2 photocatalytic degradationantimicrobial agentAntibacterial ceramicsKil

6、ling of tumor cellsHandling NOx, SO2 and other harmful gasesSterilization, disinfection, air purification Other applications of TiO2Other applicationsAir PurifierPaintCosmeticsPlasticNano-ceramicOther applications of TiO2Photocatalyst storage bagsGeneral storage bagsOther applications of TiO2其用于化裝品，

7、有曬不黑的佳譽(yù)Other applications of TiO2其用于塑料必將帶來塑料運(yùn)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(yáng)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外表，又能大大延伸塑料在太陽(yáng)光下的運(yùn)用壽命。Other applications of TiO2運(yùn)用納米鈦白可以在低溫、低壓條件下消費(fèi)質(zhì)地致密且具有顯著超塑性的納米陶瓷，這種陶瓷抑制了傳統(tǒng)陶瓷資料質(zhì)脆、韌性差的缺陷，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。 Other applications of TiO2金紅石晶型的納米鈦白由金紅石晶型的納米鈦白由于其晶胞為正四面體，原于其晶胞為正四面體，原子之間的結(jié)合較為嚴(yán)密，子之間的結(jié)合較為嚴(yán)密，其光活性較低，采用特殊其光活性較低，采用特殊的包膜技術(shù)在其外表包覆的包膜技術(shù)在其外表包覆一層無機(jī)物，可使其在大一層無機(jī)物，可使其在大氣中有良好的耐候性，而氣中有良好的耐候性，而被廣泛用于制備高檔汽車被廣泛用于制備高檔