电催化氧化降解大气中甲醛的研究

26320075ENVIRONMENTALCHEMISTRYVo.l26,No.3May20072006717.*(20507014).*彭娟俞伟刚郭锐余宙杨骥贾金平(,,200240),,.,.,20Lh-1,5V,.,,,,,[13].,.,,[2,45].,90%,,,[6,7].,,,.1(200ml20mgml-1)(93cm!93cm!15cm),,1gl-1Na2SO4,800m.l,.10cm!3cm,73cm!3cm.,,.(UV2102PCS).240Lh-1,,1h.,006mgl-1,.40Lh-1,5V,2845mgl-1,.,20%758%.80Lh-1,,10V,1.1,40min,,680%839%.60min,177%.100Lh-1,20V,,.,.1h,40Lh-1,80Lh-1100Lh-1,14mgl-1,12mgl-17mgl-1.,,1h,40Lh-13:393,100Lh-12.,,.,,,.,,,.320Lh-1.5V,10V,20V.2,20Lh-1,1h1mgl-1,40Lh-1..5V,,05mgl-1.10V,,120min,03mgl-1.20V,,,02mgl-1.5V,10V20V,12mA,32mA88mA.,.,,.,,,.,,,.,,,,..4,80Lh-1,10V,68%.,,1h.20Lh-1,,5V.[1]SakakibaraY,KurodaM,ElectricPromptingandControlofDenitrificationBiotechnolBioeng,1993,42∀535537[2],,,,1997,18(6)∀3134[3]JamesDRodgers,WojciechJedra,lNigelJBunce,ElectrichemicalOxidationofChlorinatedPhenols.EnvironSciTechnol,1999,33∀1453145739426[4],,,(ACF),1997,16(4)∀1925[5]YangJ,JuanP,ShenZMetal,RemovalofCarbonDisulfide(CS2)fromWaterviaAdsorptiononActiveCarbonFiber(ACF).Carbon,2006,44(8)∀13671375[6],,,VOCs,2003,(5)∀4043[7],,,VOC,2004,24∀274276REMOVALOFFORMALDEHYDEINAIRBYELECTROCATALYTICOXIDATIONPROCESSPENGJuanYUWeigangGUORuiYUZhouYANGJiJIAJinping(SchoolofEnvironmentalScienceandEngineering,ShanghaiJiaoTongUniversity,Shangha,i200240,China)ABSTRACTInthisstudy,simulatedorganicwastegaswastransferredfromgaseousmediumtoaqueousmediumthroughhighefficientmicroporeaerationPorousconductivemediumactivatedcarbonfiber(ACF)wasselectedaselectrode.EffectsofdifferentaerationrateanddifferentadditionalvoltageonremovalefficiencywereinvestigatedResultsshowthatthemethodissuitableforthetreatmentofgaswithlowconcentrationandlargeamountIntheexperimentrange,theremovalrateismostconstantundertheaerationrateof20Lh-1andadditionalvoltageof5VKeywords:formaldehyde,electrochemistry,catalysis,activatedcarbonfiber2007420,,(#∃).,.,,.,,,20,,;.;;;;;,.,.2006.,,.,,.,,ChrisVanIngen:.,,,,,.,2007.,.,,,,,.