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:2007211222:2007212221:(1983-),,,,E2mail:liyonghua0214@1631comNa+IC,,,(,510006):IC,Na+COD,,Na+,Na+10gL-1;Na+12gL-1,82%,VFA203643mgL-1:Na+;;;IC:X703;S21614:A:1000-1166(2008)01-0015-04EffectofNa+onAnaerobicGranularSludgeinICReactor/LIYong2hua,ZHOUXing2qiu,WUJian2dong,NIUXiao2jun/(CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guang2zhou510006,China)Abstract:EffectofNa+onspecificmethanogenicactivity(SMA)ofanaerobicgranularsludge,CODremovalrate,efflu2entVFA,aswellasthebufferingcapacity,werestudiedinICreactoroperation.TheresultshowedthatNa+hadinhibitionsonSMA,andthesystemhadenoughcapacitytoresumeactivityundertheNa+10gL-1.TheCODremovalratecouldreminabove82%whenNa+12gL-1,andtheeffluentVFAwereat203643mgL-1.Keywords:Na+;anaerobic;granularsludge;ICreactor1Na+,,,[1]Na+,,,SS,NaCl3%6%,COD,30%67%[24],50%60%[3,4]74%[5],,,1%,,,,[6],,IC,NaCl,,VFA,2211,,NaOH,CO2H2S1212,NH4ClKH2PO4,m(COD)m(N)m(P)=20051,51ChinaBiogas2008,26(1)1COD7000mgL-1NaH2CO3,Ni,Co,Fe,1NaClNa+1mgL-1mgL-1C6H12O66880H3BO3011NH4Cl664ZnCl2011KH2PO4148CuCl20106NaHCO33000MnSO4H2O011MgSO47H2O50(NH4)6Mo7O244H2O011CaCl22H2O60AlCl3011FeSO47H2O40CoCl26H2O011NiCl2011213IC,,15mm,(VSS)24gL-1214250mL(CSTR),,351,100mL,1;25mLICNa+,COD80%,VFA800mgL-1CODVFA2molL-1NaOH,CO2,H2S,CH4Na+3000mgL-1,COD7000mgL-1,IC,215COD:[7];VSS:[7];:2,CaCO3mgL-1[8];VFA:[8];:[9]3311Na+IC2,Na+,,3,Na+,NaCl,2Na+3Na+IC,Na+3000mgL-1,,Na+4000mgL-1,,24510mL;,NaClNa+5gL-1,20615mL,8413%;61ChinaBiogas2008,26(1)23815mL,,Na+6gL-1,19410mL,7912%;Na+712gL-1,56891113,4Na+13gL-1,4610%,14,4911%,,Na+Na+,Na+,,,,Na+,,,312Na+4Na+NaCl,,82%,,[10],Na+IC,,,,,4Na+5Na+COD,Na+4gL-15gL-1,COD7000mgL-12000mgL-1,,5Na+CODNaCl,,COD2000mgL-1,COD,25,Na+,IC,,;,,,,,,COD82%KincannonGaudy[11],COD;313Na+VFAVFA6,Na+VFA203643mgL-1,,,VFANa+13gL-1,VFA962mgL-1,6VFA71ChinaBiogas2008,26(1)Na+13gL-1,,,,VFA314,,,,,COD,COD[12],VFACOD,BA/TA:BA/TA=([CaCO3]-0171[VFA])/[CaCO3]018,BA/TA016[13]7Na+7Na+Na+10gL-1,018,;Na+10gL-1Na+12gL-1,016018,,VFA;Na+13gL-1,016,,4(1)Na+:,Na+NaCl,,Na+13gL-14610%,(2)Na+12gL-1,Na+,82%(3)Na+12gL-1,VFA203643mgL-1;Na+13gL-1,VFA962mgL-1(4)Na+10gL-1,018,;Na+10gL-112gL-1,016018,Na+13gL-1,:[1]1[J]1,2000,20(4):6-101[2]KargiF,DingerAR1Salinewastewatertreatmentbyhalo2phile-supplementedactivatedsludgecultureinanaera2tedrotatingbiodisccontactor[J]1EnzymeandMicrobialTechnology,1998,22(6):427-4331[3]KargiF,DingerAR1Effectofsaltconcentrationonbio2logicaltreatmentofsalinewastewaterbyfed-batchoper2ation[J]1EnzymeandMicrobialTechnology,1996,19(7):529-5371[4]RosaMF,FurtadoAAL,AlbuquerqueRT,etal1Biofilmdevelopmentandammoniaremovalinthenitri2ficationofasalinewastewater[J]1BioresourceTechnolo2gy,1998,65(1-2):135-1381[5]UygurA,KargiF1Saltinhibitiononbiologicalnutrientre2movalfromsalinewastewaterinasequencingbatchreac2tor[J]1EnzymeandMicrobialTechnology,2004,34(3-4):313-3181[6],,1[J]1,2007,32(6):94-971[7]1()[M]1:,20021[8],1[M]1:,20041[9]1[M]1:,19981[10],,1NaCl[J]1,2004,22(1):19-351[11]KincannonDF,GaudyAF1Responseofbiologicalwastetreatmentsystemstochangesinsaltconcentration[J]1Biotechnol1Bioengng,1968,10:483-4961[12],,1[J]1,2006,19(3):50-521[13],,1[J]1,2006,26:172-175181ChinaBiogas2008,26(1)