玻纤滤膜废水对污水厂活性污泥系统的影响翟俊

111121．4000452．610081。。pH1．88～2．24SCOD54～72mg/LSS883～1041mg/LBOD5/COD0．05～0．1。、。30%OUR2mgO2/gMLVSS·hSV304%75%OUR＜8mgO2/gMLVSS·hSV3012%90%OUR2mgO2/gMLVSS·hSV3020%。30%、90%。X703A1000－4602201123－0023－052009ZX07315－006ImpactofGlassFiberMembraneWastewateronActivatedSludgeSysteminWWTPZHAIJun1GUODa-jing1XIAOHai-wen1HEQiang1ZHANHong21．KeyLabofThreeGorgesReservoirRegion’sEco-Environment＜MinistryofEducation＞ChongqingUniversityChongqing400045China2．SouthwestMunicipalEngineeringDesignandResearchInstituteofChinaChengdu610081ChinaAbstractHighproportionofindustrialwastewatermaysignificantlyimpactthebiologicaltreat-mentsysteminWWTP．Inordertosolvetheimpactproblemofindustrialwastewaterfromalarge-scaleglassfibermembraneproductionenterpriseinChongqingCityonoxidationditchinWWTPthewastewaterqualitycharacteristicsanditsinfluenceontheactivatedsludgesystemwereinvestigated．InthewastewaterpHis1．88to2．24SCODis54to72mg/LSSis883to1041mg/LandBOD5/CODis0．05to0．1．Highproportionofglassfibermembranewastewaterhasasignificantnegativeim-pactonthesludgeactivitysludgesettleabilityandbiofacies．Comparedwiththewastewaterwithoutglassfibermembranewastewaterwhentheproportionoftheglassfibermembranewastewateris30%sludgeoxygenuptakerateOURisdecreasedby2mgO2/gMLVSS·hSV30isincreasedby4%andthe·62·2723201112CHINAWATER＆WASTEWATERVol．27No．23Dec．2011sludgesettleabilitybecomespoorer．Whentheproportionoftheglassfibermembranewastewateris75%thesludgeOURislessthan8mgO2/gMLVSS·hindicatingslightpoisonofthesludgeSV30isin-creasedby12%thesludgesettleabilitybeginstodeteriorate．Whentheglassfibermembranewastewateris90%ofthetotalwastewaterthesludgeOURvalueisonlyabout2mgO2/gMLVSS·handSV30isincreasedby20%noclearinterfacebetweensludgeandwastewaterappearswhichshowsthesludgeisseverelypoisoned．Whentheproportionoftheglassfibermembranewastewateris30%thenumbersofrotifersandVorticellainthesludgediminishsignificantlyandthemicrobialcommunityissparse．Whenthisproportionexceeds90%themicroorganismsinthestudiedsludgealmostlosetheiractionability．Keywordsglassfibermembranewastewatermunicipalwastewatertreatmentplantoxygenuptakeratesludgeactivity。、、、、。。12。、、。11.120043×104m3/d61000hm2。2．67hm2Orbal50%。。、。、1。1、Tab．1Designqualityofinfluentandeffluentmg·L－1BOD5CODSSTNNH3－NTP15035035040303．0206020208151．51.2、。1.2.10800—183090minSigma900。2。2Tab．2ExperimentalwastewaterqualitypH2．017．40BOD5/mg·L－16198COD/mg·L－1112437SCOD/mg·L－163167SS/mg·L－1950319TN/mg·L－18．536．1NH3－N/mg·L－14．324．2TP/mg·L－10．126．58·72·．watergasheat．com27231.2.2mgO2/gMLVSS·h。OUR1。1OURFig．1SchematicdiagramofactivatedsludgeOURmesurementdevice24h3。20℃DO1mg/L。。1.2.3BOD5、COD、SCOD、TN、NH3－N、TP、SV30、SS、MLSSMLVSS4DOHQ30dpHHQ11d。22.1、、。pH1．88～2．24。pHpH、、5～8。BOD5/COD0．05～0．1。SCOD54～72mg/L883～1041mg/L。N、P。2.2OUROUR。OUR9OUR、、。OUR2。2OURFig．2ActivatedsludgeOURinglassfibremembranewastewaterwithdifferentproportions2OUR。＜30%OUR。30%OUR2mgO2/gMLVSS·hpH8。60%OUR5．5mgO2/gMLVSS·hOUR。75%OUR＜8mgO2/gMLVSS·hOUR8～20mgO2/gMLVSS·hOUR≤8mgO2/gMLVSS·hF/M·82·2723．watergasheat．com10。＞90%OUR2mgO2/gMLVSS·h。2.3SV30SV30。12h12hSV30。3。3SV30Fig．3ActivatedsludgeSV30inglassfibremembranewastewaterwithdifferentproportions。3。＜30%SV3030%SV304%50%SV308%75%5minSV3012%90%SV3020%。2.4MLVSS2．05g/L0、30%、75%、90%12h4。4。30%90%。4×400Fig．4Microscopepicturesofactivatedsludge×4003①pH1．88～2．24SCOD54～72mg/LSS883～1041mg/LBOD5/COD0．05～0．1。TN5～12mg/L。②30%OUR2mgO2/gMLVSS·h60%OUR5．5mgO2/gMLVSS·hOUR75%OUR＜8mgO2/gMLVSS·h＞90%OUR2mgO2/gMLVSS·h。③。30%SV304%75%SV3012%90%。④·92·．watergasheat．com2723。30%＞90%。1YangYLiJXWangHetal．Anelectrocatalyticmem-branereactorwithself-cleaningfunctionforindustrialwastewatertreatmentJ．AngewandteChemieInterna-tionalEdition20115092148－2150．2．J．2011117－14．3．OURJ．2006363456－460．4．4M．2002．5．pHJ．201041132－35．6vanGinkelSLoganBE．Inhibitionofbiohydrogenpro-ductionbyundissociatedaceticandbutyricacidsJ．EnvironSciTechnol200539239351－9356．7．、Ca2+pHJ．2004244437－441．8．pHJ．200033439－42．9RiccoGTomelMCRamadoriRetal．Toxicityassess-mentofcommonxenobioticcompoundsonmunicipalac-tivatedsludgecomparisonbetweenrespirometryandMi-crotoxJ．WaterRes20043882103－2110．10ZouXHangHFChenCFetal．Applicationofoxy-genuptakerateandresponsesurfacemethodologyfore-rythromycinproductionbySaccharopolysporaerythraeaJ．JIndMicrobiolBiotechnol20083512645－656．1977－。[e-mail]櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵櫵2011－06－09··2011、。“”。2011101、、。、、。、、、、、。、、。。、。20111017。2SimoticsGP1LE0。＜＞·03·2723．watergasheat．com