EGSB反应器在微氧条件下去除焦化废水中挥发酚张琦

、、、、、、。、。。。GB8978－1996、0.5mg·L-1[1]。0.002mg·L-1。。EGSB。[2-3]。。[4-9]。EGSB。147d。CODEGSB。EGSB。11.1EGSB18L12L100mm1716L140mm。。。EGSB121131.0300242.0300093.030051EGSB10.09～201.34mg·L-198%99%27%EGSB、、。EGSBX784A1000-3770(2011)[e-mail]3711201111TECHNOLOGYOFWATERTREATMENTVol.37No.11Nov.,2011107DOI:10.16796/j.cnki.1000-3770.2011.11.02730～33℃。1。EGSB[5]。DO。1.2。150。。1.3COD630～2300mg·L-1pH7.3～9.1。1.44-[10]COD[10]VFA[11]JEOLJSM-5610V。1.530～33℃15000mL·min-1DO1.0mg·L-1。COD、COD、VFA、。22.1。。EGSB。EGSB1.0L·h-115000mL·min-1DO1.0mg·L-1。147d23COD4、、。2～4113.13～25.50mg·L-124.03mg·L-1。1～17dCOD61%70%。4、、Fig.4Phenolremovalefficiencyinanaerobic、continuousmicroaerobicandintermittentmicroaerobicreactor0153045607590105120135150-20020406080100120
/d/%






CO1EGSBFig.1SchematicdiagramofexperimentalEGSBreactor2Fig.2Influentphenol、effluentphenolandphenolremovalefficiency0306090120150050100150200250
/d
 /mgL020406080100120/%3CODFig.3InfluentCOD、effluentCODandCODremovalefficiency030609012015005001000150020002500
/dCOD/mgL020406080100/%371110892%30%83%。。1815.04～37.68mg·L-127.98mg·L-1。COD64%74%97%58%99%。3210.09～49.29mg·L-123.32mg·L-1。。COD78%99%。。77%99%。4775.74mg·L-1。47～59dCOD72%100%52%77%。。。607542.25～106.19mg·L-1。。COD71%98%52%73%。87154.34～201.34mg·L-1177.84mg·L-1COD1761～1927mg·L-1。COD。。100%52%73%27%38%。COD。。10012920.17～81.26mg·L-1。COD68%99%。21%67%。133326℃。3。30～33℃。14727%73%16%15%16%13%。。14d。2.2。。87。177.84mg·L-1COD1761～1927mg·L-1。25%35%。。100%COD69%。。1353。EGSB[9,12]。EGSB。VFA、H2SSO42-SS2O32-H2SEGSB109EGSBREACTORREMOVINGVOLATILEPHENOLOFCOKINGWASTEWATERUNDERMICRO-AEROBICCONDITIONSZhangQi1,DongChunjuan2,WangZengzhang1,LiWenying1,AnFei3（1.CollegeofEnvironmentalScienceandEngineering,TaiyuanUniversityofTechnology,Taiyuan030024,China;2.DepartmentofEnvironmentEngineering,TaiyuanUniversity,Taiyuan030009,China;3.CollegeofChemistryandEnvironment,NorthUnivesityofChina,Taiyuan030051,China）Abstract:Byusinganaerobicandintermittentmicroaerobicconditionsasareference,EGSBreactorremovingvolatilephenolofcokingwastewaterwereanalysedundercontinuousmicroaerobicconditions.Duringtheoperationofreactor,theresultsshowedthatreactorhaveverystrongabilityofresistingloadsshock.Withinfluentphenolconcentrationof10.09～201.34mg·L-1,themicroaerobicEGSBcouldattain98%phenolremovalefficiency.However,aftertemperaturedecreased,thephenolremovalefficiencyofthereactordecreasedfrom99%to27%;SupplementoflimitedoxygenwasbenefittothestableoperationofEGSBreactor,EGSBreactorcandegradesomerefractoryandtoxiccompoundsundermicro-aerobicconditionsbutnotunderanaerobicconditions;Methanogenicbacteriathatexistedingranuleswerenotsensitivetothelowlevelofoxygen;Thegranularsludgehadanenrichmentmicrocommunity,fromtheexteriortointeriorofgranularsludge,therewereaerobicbacteria,facultativebacteriaandanaerobicbacteria,gradually.Keywords：EGSBreactor;microaerobiccondition;cokingwastewater;volatilephenol;granularsludge[5]。CODVFA。[12]。EGSB。。[13]。[5]。。3。177.84mg·L-152%73%27%38%。EGSB。3。、、99%、21%、67%27%、16%、15%。EGSB。、、。。。[1].[M].4.:,2000:23.[2],,,.EGSB[J].,2010,26(1):24-27.[3],,.[J].,2005,36(6):5-9.[4],,,.[J].,2003,19(8):19-22.[5],.EGSB[J].,2006,26(2):220-224.[6],,.EGSB[J].,2008,24(15):54-57.[7],.[J].,2002,33(5):469-472.[8],,,.EGSB-[J].,2004,30(1):53-55.[9].[M].:,2004:12-29.[10].[M].4.:.2002:216-512.[11].EGSB[D].:,2005:24-25.[12].[M].:,1998:42-46.[13],,,.[J].,2009,29(12):2504-2509.3711110