EGSBSBR组合工艺对城市生活污水处理的试验研究

、[1-3]。。EGSBExpandedgranularsludgebed+SBRSequencingbatchreactoractivatedsludgepro-cess、2[4-7]。EGSB+SBR。11.1COD245～420mg·L-1BOD590～130mg·L-1NH3-N14.5～18.1mg·L-1TN34.5～48.6mg·L-1TP6.9～13.3mg·L-1。1.21。EGSB3、、EGSBSBRSBR。1.3EGSB15.7L151。。SBR20L。1.4EGSB+SBR1。1EGSB-SBRFig.1FlowchartofEGSB-SBRcombinedprocess
EGSB SBR EGSB-SBR1231.0560382.0560383.056038EGSB+SBR。COD245～420mg·L-1EGSB3hCOD3.5kg·m-3·d-16.5m·h-1COD95%COD60mg·L-1SBR、GB8978－1996。EGSB-SBRX799.3A1000-3770(2010)[e-mail]36420104TECHNOLOGYOFWATERTREATMENTVol.36No.4Apr.,20101121.5CODNH3-NpHpHSDOTPTN。22.1COD2。2。HRT0～2hCODHRT2～3hCOD。COD。HRT3～4hCODHRT4hCOD。HRT3hHRT3h。2.2EGSBEGSBEGSB3。3EGSBCOD60%。。CODCOD3.5kg·m-3·d-1COD95%。COD。COD3.5kg·m-3·d-1。2.34。4CODCOD85%COD3kg·m-3·d-16.5m·h-1COD95%7m·h-1COD6.5～7m·h-1。EGSBCOD40～52mg·L-1。EGSB。2.4SBREGSBSBR。SBR1330mg·L-13009mg·L-16h1h2h1h0.5h1h。SBR4CODFig.4Therelationshipbetweenup-flowvelocityandCOD0102030405060012345678910
d mh0204060801003CODFig.3TherelationshipbetweenvolumetricloadandCODorangedegradation0102030405060012345
dCOD kgmd0204060801002HRTCODFig.2TherelationshipbetweenHTRandCOD0.00.51.01.52.02.53.03.54.04.55.050556065707580859095100
HRT/h1EGSB+SBRTab.1TreatmenteffectofESGB-SBRcombinedprocess/mg·L-1/mg·L-1/%/%CODBOD5NH3-NTNTP245～42090～13014.5～18.134.5～48.66.9～13.310.0～25.02.5～17.10.56～0.90.88～0.950.39～0.4896.1～94.097.2～86.896.1～95.097.4～98.094.3～96.495.092.095.597.795.4EGSB-SBR113STUDYONSCALINGDETERIORATIONOFREFINERYPURIFIEDWATERDURINGRECYCLINGANDADVANCEDTREATMENTBYMEMBRANEPROCESSShiWeidan1,GuHeping1,CaoHuajun1,RenXiaoqian1,QianZhongjian2（1.CollegeofChemistryandChemicalEngineering,NanjingUniversityofChemicalTechnology,Nanjing210009,China;2.SinopecYPCCo.Ltd.,Nanjing210009,China）Abstract:Adetailedanalysisofthewaterandscalewascarriedouttoeducedmechanismandeffectivemeans.Intheexperimentpartaboutceramicmembranetreatrefinerypurifiedwater,thepHvalueoftreatedpurifiedwaterwas6.9.Theresultsshowedthatceramicmembranewithporesizearound50nmnotonlymeetthewaterrequirement,butalsoowedhighpermeationflux(800L·m-2·h-1),theCODcontentislessthan200mg·L-1inthepermeatedside.Operationpressureshouldbecontrolledin0.25MPa.Highertemperatureisbettertoincreasesofflux.Thegas-liquidback-flushtechnologycankeephighpermeateflux,refinerypurifiedwaterpermeatefluxcouldreturnto95%oftheoriginality.Keywords：refinerypurifiedwater;scale;ceramicmembrane;wastewatertreatmentDO2.0mg·L-1DO2.5～4.5mg·L-1。BOD。SBR20～30d。SBR/DODO。DO0.2mg·L-1。SBRCOD10～25mg·L-1、90%。3EGSB。COD245～420mg·L-1COD3.5kg·m-3·d-1。3h7m·h-1CODGB8978－1996。EGSB。EGSBSBRCOD、、GB8978－1996。EGSB-SBR。[1],,,.[J].,2008,24(10):91-94.[2],,,.[J].,2008,27(2):154-155.[3],,,.[J].,2005,25(7):53-56.[4],,,.(EGSB)[J].,2008,10(2):1345-1348.[5],.UASB-BCO[J].,2009,35(2):22-23.[6],,.EGSB-SBR[J].,2005,25(10):21-23.[7],,,.EGSB-SBR[J].,2007,30(5):68-71.EXPERIMENTALSTUDYONTREATINGMUNICIPALDOMESTICWASTEWATERTREATMENTBYEGSB－SBRCOMBINEDPROCESSLvZhiwei1，YangYang2,MaLi3（1.CollegeofUrbanConstruction,HebeiUniversityofEngineering,Handan056038,China;2.CollegeofScience,HebeiUniversityofEngineering,Handan056038,China;3.CollegeofArchitecture,HebeiUniversityofEngineering,Handan056038,China）Abstract:DomesticwastewaterofHandancityistreatedbyEGSB+SBRcombinedprocess.WhentheCODofinfluentis245～420mg·L-1,forEGSBreactor,thehydraulicretentiontimeis3h,thehydraulicloadofCODis3.5kg·m-3·d-1,theup-flowvelocityis6.5m·h-1,theCODremoveratereaches95%(COD60mg·L-1).ButtheN,Premovalrateisnotgood,SBRprocessisusedtomakeN,Preachnationalfirstdischargestandard(GB8978－1996).Keywords：EGSB-SBRcombinedprocess;municipaldomesticwastewater;removalrate103!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!364114