?????????????????????????????????о???????????????????(???????????????????????????????????????????????Ч??)?????????(??????????????????λ???????????????)??????75U???????????????﹤???????????????????????????????????????
????????????????????????????????????о????
????????????TQ610??4*99 ????????A ???±???1004-0439(2011)10-0001-04
????????????????????????????????????Ρ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????[1]??????????????????飬????????300???????????????????????????????????????2??5???????????????????100??[2]??????90??????????????????????????????δ????С????????????????????????????????????????????????????????????????????????????????Щ?ж??к?????????????????????????????????????????????????????????????????????????????[3]??
????????м?????????????????????????????????Σ?????彡????????????Ч?????????????????????????????????????????????????????е??л???????????????????????о?????????????????????????????????У?????????????????к????????????????????????????????????????????????????????????????????????????[4]???????????????????????б??????????????????????????????????????????????????????????????????????????????????????Ч???????????е??л??????[5]??????????????????????÷????????????Ч?????????????????????????????????????????????????????????????????????????????????????????????
l ?????????????????о????
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1??1 ?????о????
???TiO2????????????????????????????????????????й?????????????????п??????????????????????????????????????????????????????????????????????й????????????[6-8]??????縷?????????о????????????????????????????????Ч?????о?????????????????????????????????????????????????????????????о????????????TiO2??????????????????и?????о???????????????????????????????2003??C??H??Ao?????????TiO2?????????????????棬?о???NO??????TiO2??????????NO2??CO2?????[9]??2006??T Yuranova??????????????????????????????????????о?????TiO2-SiO2?????????????????????и???????????????????????????????[10]??2008??N Barka?????????Ti02??????????????????????????pH????????????????????????л?????????????[11]??2009??D Mihailovic????[12]??????????????????????????о?????????????ζ????????????и???,???????TiO2????????????,??????????????о?????????Ч???????????????????????????????о????CdS??ZnO????????????????????????棬??????п??????????????????????侻??Ч?????????TiO2???
1??2 ?????о????
????й??????????????????о???????????2000??????????10???????Щ?о?????????????????????о????????????????????????????????н????????????????????ξ???
????????????ó??????????TiO2-Ag????????????????????????????????????棬?????й?????????????????????????????????????????????????????????????е???????????[13,26]??????????????????????????????????????????????????????к???????????????????????????е???????????????TiO2??????????????????????о??????????????TiO2??????????????????????[14]??Dahon?????????-?????????TiO2?????????????????о?????????????CO?????Ч??????????????????????????????CO???Ч??????????[15]??????????о?????????????????TiO2??????е??????к???????к?????????????????????????С???л???????????100??[16]??????????????????????????(?????????????????????????????????)????????TiO2???????о??????????????????????????????????TiO2?????????????????????89??7??????????????????????????????????????????TiO2????????н??????Ч??[17,62]??????????????????????????????????????????????????????????????????????????????????к??????Ч??[18]???????·?????????п????????????????????????????????????????????????Ч???????????????????ò?????????????????????????????????????????γ???????????????????????????????????????????????????????????????????????о????????????9??????????λ???????λ?????????????????????????????????????к??????Ч????
???????????????????????????????????????????п???????????????????С?????????????????????й????????????о???λ?ж???????????????????????????????????????????????ж????????????????????????????????з????????????????????????????????????????????????????????????????????Σ????п????????????????????
2 ???????????????????????
?????????????????????????????????????????????????????????????????Ч???????????????У??о???????????????????????????????????廯??????TiO2??ZnO??CdS??WO3??SnO2???????TiO2????Ч?????????????????????????????????????????????????????????????????TiO2????????????????????????????????????????侻????????????????????????????????ò????380 nm?????????????????TiO2?????????????????????????????????(e)-???(h+)?????????????е?????????????????(02-)??????????f??OH)??????????????????????????????????????????????????????????????????????Ч?????侻?????????????1?????
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?1 TiO ??????????????????VOCs???????? |
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3 ???????????????????????
?????????????????????????????????????????????????????????????????????????????????????????г?????????(?????????)?????[20]???÷??????????????????Χ?????????????????????????????????????????????????????????????????????????????????????????λ???????
3??1 ???????????
??????????????????????????????????????????????????????????????????????ù????????????????????????????????????????????????????????????????????????ж???????????????(?????75??)?????100?????2 min??170?決??2 min???????????????????????[13,27]??????????????????????????????????TiO2??????У?5 min?????????????(?????70??)??100 ????棬????????160?決??2 min??????????????????????????????????[17,62]?????????ǹ?????????????????ǹ???????????????????????????????????淢????????????????????????
3??2 ?λ?????
???λ??????У????????-????????????????????TiO2?????????????????????????????????????????????????????????????????????????????????????????????200??300 ????????????????????????????????????????????????????????????????????????о?????????????????????????????????о?????????????????Ч???????TiO2???????100?????????????????????????????????
3??3 ????????
????????????????????У???????????
????????????У??????????з?????÷?????????????????????????????????????????????????????????[21-22]??
?????????????桢??????????????????????????????????????????????????????????????????[23]????????????????PET??PPT??PA????????????????????????????????棬???????????????????????????????????????????????????????е????????????????????????棬?????????????????????????м?????????????????????????[24]??
?????????????????????????????????????????[25]????????????????????????????????л?????????????????????????????????????????????????????????????????????????????????????????????????(??????顢????????)??
??????3??????????У???????????????????TiO2????????????????????????????????????????????????????????????????λ?????????????????????????TiO2????????????????????Ч???????????????????????????????????????????????????????????淢?????????????????л?????????????????????????????????Ч???????????????????л??????????????????[26]??????ǹ????????????????????????????????????????????????????????????????????????Ч???????????????????????????????????????????????????????
4 ??????????????????????
???????????????????????????????о?????????????????????????????????????????????????????????????????????????????????????????飺(1)??????????Ч????????????????????(2)???????????????????????????????(3)?????????????????о?????ü??????????????????????????У??????????????????????????????????????????????ǹ????????????????????????????????????????????????????????????????????????з????й????????????????????
?ο??????
[1]??????????????????????????????о?????[JJ?????????????о???2008??25(2)??63-65??
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[5]?????????????????????л????????о?[D]??2008??
[6] El KILANI A??BOUHAMRA W??CRIqq'ENDENN B D??Indoor air quality model that includes the sorption of VOCs on fabrics[JJ??Process Safety and Environmental Protection??2001??79(4)??233-243??
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[8]OCHUMA 1 J??FISHWICK R P??WOOD J,et a1??Photocatalytic oxidation 0f 2,4,6-trichlorophenol in water using a cocurrent down flow contactor reactor[J]??J??Hazard??Mater????2007??144??627-633??
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