微波无极紫外灯光降解水相中有机污染物的研究

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1、有机污染物的研究AbstractThepaperreponedthestudyofanew-帅euln钾iolet(UV)li曲tsourCecalledmicrowaveelec仃odelessUVl锄叩(MEUVL)，Ⅵ加chworl!(Song勰discha唱eexcitedbymicrowaVeenergy谢tllout锄yhelpofelec仃odes．Fourl【iIldsofMEUVLsfilled谢mdi日’erentbi彻rygaSm．ⅨturesofA卜Hg，艮12，nBr2觚dAr-Serespectivelywereprepar

2、edaIldmeirUVemissionSpec仃awercme删red．TheA卜Hg1锄p(185姗)趾dKr-12laIl叩(206．2Illll)wereusedtode伊aderhod锄ineB(I乇hB)dye锄ddim础ylphtllalate(DMP)、析曲utadditionofoxid锄地．1kresultsshowedthatdire脱photolysisofpollut锄tSby185and206．2I瑚radiationssuppliedanewaltematiVeremove0rgallicfbmwater．、w眵t0pol

3、lu_tants111el85衄VaCln姗-UV(vIⅣ)intellsit)roft11eAr-Hgl锄p锄ountedt012％ofⅡ1etotalUVou_cput，about1．7times舔lli曲邪nlatoft11cconventior试low-presSuremerClⅡylamp．11圮炸Br2andAr-Sel锄叩pr0VidedintenSeradi撕onat291姗and254姗respectivcly．1k207ImmIiiationofK卜Br2laIllp锄dt11e204／207姗r刁【diationswereallV

4、e巧weakaIldunablet0beused矗wtllephoto—degradationoforgaIlicpollul：antsinwaterinthispaper．TheKr．12l锄ppr0Videdstrongemissionofatomiciodinelineat206．2衄andmuchweakerⅥrV硼iationsat178．3／l80．1／183／184．4／187．6衄of甜leratomiciodinelines．111e206．2mnradiationintens时d印endedmuchonthe心g弱prcssure，

5、伽ingm嬲sofl2肌dmcmicrowavefeedingpo、Ⅳer弱well．With心gaSpressurelTollra11d12伽ingm鹤sO．5mg，boⅡlatpanicul砌ylowlevels，廿1e206．2砌瑚diationinteIls时reachedamaxiInumValue锄dwould嬲cendWhentheIIlicrowavefeedingincre嬲ed．nw嬲fomldthataofMo-foilembeddedinpo、verbyplaCingpiecequartzt0廿lel锄pbulb，nle206．

6、2衄radiationnensi锣couldbce脏ctivelyenhancedbyalrnoSt1．2tinlesandmearm血ilet_tle删ingtimeoftlleKr-12IaⅡlpwausshorteIled行om15st0lesstIm5s．TIlephotodegraldationofIU也dyeiIl185姗aqueoussolution、v嬲acllievedbyradiationemittedfromtlle缸Hglall叩谢thoutadditionofoxidants．Thedyedegradationfollo、Ⅳe

7、dpseudo-firstorderl【inetics．ASn?or培pHdependenceofI洫BdegradationwaSobserveda11dacidicconditionwaspreferred．Precipitates、verefoulldt0begenerateddu血g砒出deg瑚Idationw11entheinitialconcentrationofRhBsolutionw嬲a．boVe60mg。L～．Forl00mg。L以RhBatpH4．O，t11em嬲sofprecipitates微波无极紫外灯光降解水相中有机污染物的研

8、究复旦人学硕士论文producedw弱nearlyhalfoftlle“tial锄ountof