高盐浓度对工业废水生化处理的影响研究

68Vol.6,No.820058TechniquesandEquipmentforEnvironmentalPollutionControlAug.200512232(1.,430062;2.,100101;3.,100724),215104mg/L,COD92%,;,215104mg/L,,COD80%;315104mg/L,,,COD60%;610104mg/L,,,,,COD45%CODX70311A100829241(2005)0820042204Effectofhyper2salineconcentrationonthebiochemicaltreatmentofindustrialwastewaterKangQun1MaWenchen2XuJianmin2LiuGuangquan3FuFangwei2(11SchoolofResourcesandEnvironment,HubeiUniversity,Wuhan430062;2.BeijingXiaoqingEnvironmentalProtectionCorporation,Beijing100101;3.EnvironmentalEngineeringTechnologyCenter,ChinaNationalPetroleumCorporation,Beijing100724)AbstractTheeffectsofhyper2salineconcentrationonthebiochemicaltreatmentefficiencyandonlawsofbiologicchangesofactivatedsludgeinthepharmacyindustrialwastewatertreatmentsystemwerestudied.Whenthesaltconcentrationwaslessthan2.5104mg/L,CODremovalrateofthepharmacytreatmentsystemwasa2bout92%,andthesludgewasinactivecondition;whenthesaltconcentrationreachedto2.5104mg/L,thesludgeactiveconditionbegantoberestrained,andtheratesharplydescendedtoabout80%;whenitraisedto3.5104mg/L,theratedeclinedto60%,andthesludgeactiveconditionwasrestrainedclearly;whenitclimbedupto6.0104mg/L,andactivatedsludgesystembegantobebroken,protozoadisappearedalmost,thesludgeflocwasminuteanddispersedandtheratewasonly45%.Keywordshyper2salineconcentration;industrialwastewater;biochemicaltreatmentofwastewater;lawsofbiologicchanges;CODremovalrate;activatedsludge:2004-09-25;:2005-03-10:(1972),,,,:E2mail:[e-mail]2,,60m3,[1];FikretKargi[2];Hamoda[3]NaCl(10g/L30g/L);Shim[4];AnLi[5],11.1,:COD28266201mg/L,BOD14693350mg/L,SS9081350mg/L,©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),SBR,COD1.3,SBR315gTSS/L,VSS/TSS=01671.4pHMLSSSVICOD,[6]22.18LSBR,NaCl5000mg/L(),411Table1Salt2resistantactivatedsludgeschangeduringdomestication1d,,,,,7d,,,14d,21d,,28d,,,4,5000mg/L,SBRCOD3124mg/L,COD265mg/L,COD9115%:(5000mg/L),,,,,COD91%,[7,8],2.2,40d,1,COD,1Fig.1Thechangeofsaline2concentrationofwastewaterduringtest2.2.1,2104mg/L,,(2A),,,,,;,215104mg/L,,,;315104mg/L,,(2B),;6104mg/L,,,34©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[9],,,,,2Fig.2Changeofactivatedsludgeconfiguration2.2.23,(SVI)43Fig.3Effectofsalineconcentrationonactivatedsludgeconcentration4SVIFig.4EffectofsalineconcentrationonactivatedsludgeSVI34:,4104mg/L,,,,,,[10],2.2.3CODCOD565CODFig.5EffectofsalineconcentrationontheCODofdischargewater6CODFig.6EffectofsalineconcentrationonCODremovalrate56,215104mg/L,COD28266201mg/L,COD272348mg/L,COD92%,;215104315104mg/L,COD,92%80%,,,,[11],44©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,,,[12]3(1),,215104mg/L,,(92%),(2)215104mg/L,COD92%80%,,;315104mg/L,COD60%,,,,(3)6104mg/L,COD45%,,,,[1],..,1998,24(3):64672[2]FikretKargi,AliR.Biologicaltreatmentofsalinewastewa2terbyfed2batchoperation.J.Chem.Tech.Biotech.,1997,69:167172[3]HamodaM1F1,Al2Atlar.Effectsofhighsodium2chlorideconcentrationsonactivatedsludgetreatment.Wat.Sci1Tech.,1995,31(9):6172[4]ShimshonBelkin,AsherBrenner,AharonAbeliovich.Bio2logicaltreatmentofahighsalinitychemicalindustrialwastewater.Wat.Sci.Tech.,1993,27(78):105112[5]AnLi,GuGuowei.Thetreatmentofsalinewastewaterusingatwo2stagecontactoxidationmethod.Wat.Sci.Tech.,1993,28(7):3137[6].(3).:,1997[7],..,1999,20(3):104106[8]GauthrerM1J1,FlatauG1N1,BreittmayerU1A.Protectiveeffectofglycinebetaineonsurvivalofescherichiacolicellsinmarineenvironment.Wat.Sci.Tech.,1991,24(2):129132[9],11:,19891140142[10],..,2000,18(1):37[11],,,..,2000,21(1):106108[12],,..,2000,18(2):121654©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.