光催化降解炼油厂含油污水的研究

20)(521PETROLEUMREFINERYENGINEERNIG3521`,,1.(213016)2.(2X()237)(471012):iT02,、、、pH。:wLiToZ、30℃、40min、pH48,1.01.5L,:98.6%,COD99.3%,COD《)。:、、、,COD、,。、、、。、;、、;、;〔,〕。、,,’〕。。l1.1UV762;。1.2COD;,225nm。COD=(CODCOD)/COD(1AA/。)xloo%A,A。、。COD,。22.130℃、,300w1.0LpH6.0(3O5mL,CODsl4mL)。WLITO:,ITOZ,5ITO:、sn02iToZ4j[。,COD,1。1,,WL,40min,98.6%,COD99.3%,,4.27mL,COD57mL,《》(GB89781996),(10mL、CoD100mg/L)。2.230℃、,300wWLITOZpH6.0,0.5,1.0,1.5,2.0L。,COD,2。:2X()50822。:,,,_L。E。iaI:[e-mail]21.49,.,”。`,/:8。/.·//、6。jo`111.1020:3005060m/In/::_._WLP25.00nS/imn1iTo:0.5L2.0L,。,,,;,,,。2.330℃、,,300w1.0LWLITOZpH6.0。l2,,,COD,40min,,40min。2.4,300w1.0『LWLITOZ30,40,50,60℃pH6.0。40min,COD,3。%%30;3504550556()/n90.~.......~.~~,./’/℃30.59lg1.592.09nOOOQ203040/imn2t2,1.0-1.5L,40min,98.6%,COD99.3%,4.27mL,COD57mL,《》;3,,COD,,,,30℃。2.5pH30℃、,300w1.0LWLITOZpH。40,COD,4。4,pH,COD,pH48。pH26,pH,COD;pH612,pH50200535,COD,。。3(l)98.6%,COD99.3%,《》。(2)WLITOZ,1·01.5L。(3),COD,40min,,,40min。(4),COD,,,30℃。(5)pH,COD,pH48。pH26,pH,CoD;pH612,pH,COD,。pl{4pH2.6387.5nm,,(。),(h),。,。Ti02+hvoh+e--cb(1)02+TIOZ(e)。TIOZ+·O2’(2)·O:+2H20+ITO:(e)Tio:+H:0:+ZOH-HZOZ+ITOZTIOZ(h+)+eoZ+HZo(e)*TIOZhydoreahton(3)OH+OH(4)·hydoreabron(5),。,H20OH,ITOZ。HZOOH·OH,.,:,19%.3-12paragRC,AniddhaBp.AviofimatIivetechnolesofrwastewatertreatmentll:hybirdmeth,.AdvaneesinEnvi-ornetnntaleRseh.2X()4,8(2):553597H11anM.EnviornmentApplieationofsemiconduetorPhotoca-talysis.Chem.Rev.1991,95(l):5996HaiffnanM.EnvinmentAPplieationofsemieonduetorPhotoca-talysisChem.Rev.1991,95(l):5996〔)DEGRADATIONOFOILYWASTEWATERINREFINERYWITHPHOTOCATALYSISTECHNOLOGYLiShuzhenl,WangeLiZ,LiLin31.suChahouHigherVoea`anlSehoolofCo。`ucrtn(Chanhou213016,iJau,China)2.CmicalEi~gnsnIittut。,h3thCiannUivesrixtofsciccenadneThconlo(hsahaiZ(237,hCian)3.uLoyagnoCmpanyVOPEC(Lqyagn471012,eHnan,hCina)AbstaretThephooteatalysisteehnoloandWLTIOZphotoeatalystareadoptedotteratoilywastewaterinerifneyr.Severalkindsofeaatlysts,uasgeamount,reaeriontimeandtempearturearestudiedtogehterwithhteinflueneeofwastewaterpHvalueontreatmenteffeet.Theexpeirmentalersultshowsthatanexeellenrtreatmenr15obtainedwihtWLTIOZphotoeaatlystundertheconditionofreaetiontemperatuer30℃,eraetiontime40mi-nutes,wasetwaetrPHvalue48,andtheeatalystusaamount1.01.5L.hTeermovalrafor0111598.6%,forCOD1599.3%,andhteeontentsof011andCODinthetreatedwastewaterhavemetthenationalstandardofWastewaterEmission.KeyWords:photoeatalysis,oilywastewater,removalrate,phooteatalyst