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Studyonthetreatmentofsalt-bearingorganicwastewaterbyusingaerobicgranularsludgeLiZhihua,WangLidong,WangXiaochang,GuoJingge(SchoolofEnvironmentalandMunicipalEngineering,Xi’anUniversityofArchitectureandTechnology,Xi’an710055,China),,,(,710055)[],。,,,NH3-NSS;,2.5%,,5%。[];;[]X703.1[]B[]1005-829X(2008)11-0018-03Abstract:Theconventionalactivatedsludgeisnoteffectiveonthetreatmentofsalt-bearingorganicwastewater.Theaerobicgranularsludgehasbeeninvestigatedinthisstudy.Itisfoundthathighsalinityisgoodforraisingtheset-tlingcapabilityandcompactstructureofthegranules.Thehigherthesalt-contentis,thehighereffluentwaterSSandNH3-Nare.Themicroorganismsoftheaerobicgranularsludgecouldmaintainhighbioactivityandthusalongstableperiodisobtained,aftertheacclimationundertheconditionofhighsalinity(2.5%).However,whenthesalinityreaches5%,filamentousmicroorganismshavebeenobservedunderthehighsalinity,andgradually,thefilamentousmicroorganismsbecomepredominatedingranules.Keywords:aerobicgranularsludge;settlingcapability;specificoxygenuptakerate2811200811IndustrialWaterTreatmentVol.28No.11Dec.,2008[](50708089、50621140001);(863)(2006AA06Z328)。、SBR、〔1~3〕,,。,、,。,〔4〕,。。11.12(R1,R2),5cm,150cm,2.0L。(25±1)℃。(A2O)。,CH3COONa258.3mg/L,189.00mg/L,NH4Cl189mg/L,KH2PO428.56mg/L,NaOH8.8mg/L,MgSO4·7H2O88.56mg/L。,1.70cm/s。、、、4。3h,2min,162min,10min,6min。45min,167min。,50%,COD1.6kg/(m3·d)。181.21。1:180.5%;221%;30R22.5%,R1;60R25%,R1。,。22.12。2,,,2,,5%,44m/h,8~10m/h〔5〕。,NaCl,,;,,Na+〔6〕,。〔6〕NaCl。2.2(SOUR)。,,NaCl1%〔7〕,,1NaCl〔8〕。,3。3,2.5%,SOUR(60d),。63d,R25%,SOUR。R11%,SOUR〔9〕。,5%,,。2.34。50.0040.0030.0020.0010.00060708090100110/d/(m·h-1)R1R221NaClNaCl/%0.5~1.00.8~0.91.0~4.01.02.5~3.5605040302010020406080/dR1R2/(mg·g-1·h-1)3a—R1(76d);b—R2(76d);c—R1(105d);d—R2(105d)4(SEM),:2008-11,28(11)5.04.03.02.01.0020406080100120R2R1/dNaCl/%1194,,(4a);,(4b),〔2〕,(4c),(4d)。,,,,〔10〕。,2,R2R1。2.45、6。56,,SSNH3-N,,,SS。C.R.Woolard〔11〕,(3%~5%),SS(100mg/L)。,,NH3-N。3(1),。(2),R1,1%,SOUR,R2,5%,SOUR。,。(3),,。[][1],,.—[J].,2006,26(10):43-45.[2],,,.MDAT-IAT[J].,2006,19(3):71-74.[3],.、A/O、[J].,2007,23(8):92-94.[4]LiuY,WangZ,TayJH.Aunifiedtheoryforupscalingaerobicgranularsludgesequencingbatchreactors[J].BiotechnologyAd-vances,2005,23(5):335-344.[5]LiuY,TayJH.Stateoftheartofbiogranulationtechnologyforwastew-atertreatment[J].BiotechnologyAdvances,2004,22(7):533-563.[6],,,.[J].,2003,21(5):7-9.[7]KargiF,DincerAR.SalineWastewaterTreatmentbyHalophile-SupplementedActivatedSludgeCultureinanAeratedRotatingBiodiscContactor[J].EnzymeandMicrobialTechnology,1998,22(6):427-433.[8]AnL,GuG.Thetreatmentofsalinewastewaterusingatwo-stagecontactoxidationmethod[J].WaterScienceandTechnology,1993,28(7):31-37.[9]JiangH,TayJH,TaySTL.Aggregationofimmobilizedactivat-edsludgecellsintoaerobicallygrownmicrobialgranulesfortheaerobicbiodegradationofphenol[J].LettersinAppliedMicrobio-logy,2002,35(5):439-445.[10]ZhengY,YuH,LiuS,etal.Formationandinstabilityofaerobicgranulesunderhighorganicloadingconditions[J].Chemosphere,2006,63(10):1791-1800.[11]WoolardCR,IrvineRL.Treatmentofhypersalinewastewaterinthesequencingbatchreactor[J].WaterResearch,1995,29(4):1159-1168.25020015010050060708090100110R1R2/dSS/(mg·L-1)5SS605040302010020406080100120R1R2NH3-N/(mg·L-1)/d6NH3-N[](1976—),2006,,。:029-82202729,E-mail:lizhihua@gmail.com。[]2008-07-11()2008-11,28(11)2/%R190~98R282~9320
本文标题:好氧颗粒污泥处理含盐有机废水李志华
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