高盐浓度对工业废水生化处理的影响研究康群

68Vol.6,No.820058TechniquesandEquipmentforEnvironmentalPollutionControlAug.2005康　群1　马文臣2　许建民2　刘光全3　付方伟2(1.,430062;2.,100101;3.,100724)　　,。2.5×104mg/L,COD92%,;,2.5×104mg/L,,COD80%;3.5×104mg/L,,,COD60%;6.0×104mg/L,,,,,COD45%。　　　　　COD　　X703.1　　　A　　　1008-9241(2005)08-0042-04Effectofhyper-salineconcentrationonthebiochemicaltreatmentofindustrialwastewaterKangQun1　MaWenchen2　XuJianmin2　LiuGuangquan3　FuFangwei2(1.SchoolofResourcesandEnvironment,HubeiUniversity,Wuhan430062;2.BeijingXiaoqingEnvironmentalProtectionCorporation,Beijing100101;3.EnvironmentalEngineeringTechnologyCenter,ChinaNationalPetroleumCorporation,Beijing100724)Abstract　Theeffectsofhyper-salineconcentrationonthebiochemicaltreatmentefficiencyandonlawsofbiologicchangesofactivatedsludgeinthepharmacyindustrialwastewatertreatmentsystemwerestudied.Whenthesaltconcentrationwaslessthan2.5×104mg/L,CODremovalrateofthepharmacytreatmentsystemwasa-bout92%,andthesludgewasinactivecondition;whenthesaltconcentrationreachedto2.5×104mg/L,thesludgeactiveconditionbegantoberestrained,andtheratesharplydescendedtoabout80%;whenitraisedto3.5×104mg/L,theratedeclinedto60%,andthesludgeactiveconditionwasrestrainedclearly;whenitclimbedupto6.0×104mg/L,andactivatedsludgesystembegantobebroken,protozoadisappearedalmost,thesludgeflocwasminuteanddispersedandtheratewasonly45%.Keywords　hyper-salineconcentration;industrialwastewater;biochemicaltreatmentofwastewater;lawsofbiologicchanges;CODremovalrate;activatedsludge:2004-09-25;:2005-03-10:(1972～),,,,:。E-mail:[e-mail]　　。2,,60m3,[1];。FikretKargi[2];Hamoda[3]NaCl(10g/L30g/L);Shim[4];AnLi[5]。。,。1　1.1　,:COD2826～6201mg/L,BOD1469～3350mg/L,SS908～1350mg/L,8　:2587mg/L,pH6.5～7.5,26～28℃。1.2　8LSBR,24h,2h,19h,1h,2h。SBR25%。,NaCl(),SBR,COD。1.3　,SBR3.5gTSS/L,VSS/TSS=0.67。1.4　pH、、MLSS、SVI、COD,[6]。2　2.1　8LSBR,NaCl5000mg/L(),4。1。1　Table1　Salt-resistantactivatedsludge’schangeduringdomestication1d,,,。,,、7d,,,14d,21d,,28d,,,4,5000mg/L,SBRCOD3124mg/L,COD265mg/L,COD91.5%。:(5000mg/L),,,,,COD91%。,[7,8],。2.2　,、、。40d,1,COD,。1　Fig.1　Thechangeofsaline-concentrationofwastewaterduringtest2.2.1　活性污泥形态结构的变化,2×104mg/L,,(2A),,,,,;,2.5×104mg/L,,,;3.5×104mg/L,,(2B),;6×104mg/L,,,。436,,[9],,,,,。2　Fig.2　Changeofactivatedsludgeconfiguration2.2.2　生化处理系统污泥浓度和污泥沉降性能的变化3,(SVI)4。3　Fig.3　Effectofsalineconcentrationonactivatedsludgeconcentration4　SVIFig.4　EffectofsalineconcentrationonactivatedsludgeSVI34:,4×104mg/L,,,,,,[10]。,。。2.2.3　生化处理系统COD去除效果的变化COD56。5　CODFig.5　EffectofsalineconcentrationontheCODofdischargewater6　CODFig.6　EffectofsalineconcentrationonCODremovalrate56,2.5×104mg/L,COD2826～6201mg/L,COD272～348mg/L,COD92%,;2.5×104～3.5×104mg/L,COD,92%80%,,,,、[11],448　:COD80%;3.5×104mg/L,COD60%,;6×104mg/L,COD45%,:,,,,[12]。3　　(1),,。2.5×104mg/L,,(92%),。(2)2.5×104mg/L,COD92%80%,,;3.5×104mg/L,COD60%,,,,。(3)6×104mg/L,COD45%,,,,。。[1],..,1998,24(3):64～672[2]FikretKargi,AliR.Biologicaltreatmentofsalinewastewa-terbyfed-batchoperation.J.Chem.Tech.Biotech.,1997,69:167～172[3]HamodaM.F.,Al-Atlar.Effectsofhighsodium-chlorideconcentrationsonactivatedsludgetreatmen.tWa.tSci.Tech.,1995,31(9):61～72[4]ShimshonBelkin,AsherBrenner,AharonAbeliovich.Bio-logicaltreatmentofahighsalinitychemicalindustrialwastewater.Wa.tSc.iTech.,1993,27(7～8):105～112[5]AnLi,GuGuowe.iThetreatmentofsalinewastewaterusingatwo-stagecontactoxidationmethod.Wa.tSc.iTech.,1993,28(7):31～37[6].(3).:,1997[7],..,1999,20(3):104～106[8]GauthrerM.J.,FlatauG.N.,BreittmayerU.A.Protectiveeffectofglycinebetaineonsurvivalofescherichiacolicellsinmarineenvironmen.tWa.tSc.iTech.,1991,24(2):129～132[9],..:,1989.140～142[10],..,2000,18(1):3～7[11],,,..,2000,21(1):106～108[12],,..,2000,18(2):12～1645