Na对IC反应器颗粒污泥影响的试验研究李勇华

:2007-11-22　　:2007-12-21:(1983-),,,,E-mail:[e-mail]+IC李勇华,周兴求,伍健东,牛晓君(,　510006)　:IC,Na+COD,。,Na+,Na+10g·L-1;Na+12g·L-1,82%,VFA203～643mg·L-1。:Na+;;;IC:X703;S216.4　　:A　　:1000-1166(2008)01-0015-04EffectofNa+onAnaerobicGranularSludgeinICReactor/LIYong-hua,ZHOUXing-qiu,WUJian-dong,NIUXiao-jun/(CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guang-zhou510006,China)Abstract:EffectofNa+onspecificmethanogenicactivity(SMA)ofanaerobicgranularsludge,CODremovalrate,efflu-entVFA,aswellasthebufferingcapacity,werestudiedinICreactoroperation.TheresultshowedthatNa+hadinhibitionsonSMA,andthesystemhadenoughcapacitytoresumeactivityundertheNa+10g·L-1.TheCODremovalratecouldreminabove82%whenNa+12g·L-1,andtheeffluentVFAwereat203～643mg·L-1.Keywords:Na+;anaerobic;granularsludge;ICreactor1　　　　Na+,、、、。,,[1]。Na+,,,SS,。NaCl3%～6%,COD,30%～67%[2～4],50%～60%[3,4]74%[5]。、。,,,1%,,,,[6]。,,。IC,NaCl,,VFA,。2　2.1　试验装置,,NaOH,CO2H2S。1。2.2　试验用水,NH4ClKH2PO4,m(COD)∶m(N)∶m(P)=200∶5∶1,15ChinaBiogas2008,26(1)1　COD7000mg·L-1。NaH-CO3,Ni,Co,Fe,1。NaClNa+。1　　mg·L-1mg·L-1C6H12O66880H3BO30.1NH4Cl664ZnCl20.1KH2PO4148CuCl20.06NaHCO33000MnSO4·H2O0.1MgSO4·7H2O50(NH4)6Mo7O24·4H2O0.1CaCl2·2H2O60AlCl30.1FeSO4·7H2O40CoCl2·6H2O0.1NiCl20.1——2.3　颗粒污泥IC,,1～5mm,(VSS)24g·L-1。2.4　试验方法250mL(CSTR),,35℃±1℃。,100mL,1;25mLIC。Na+,COD80%,VFA800mg·L-1。、COD、VFA。。2mol·L-1NaOH,CO2,H2S,CH4。Na+3000mg·L-1,COD7000mg·L-1,。IC,。2.5　分析方法COD:[7];VSS:[7];:-,CaCO3mg·L-1[8];VFA:[8];:[9]。3　3.1　Na+对IC颗粒污泥产甲烷活性的抑制　　2,Na+,,。3,Na+,。NaCl,。2　Na+3　Na+　　IC,Na+3000mg·L-1,,Na+4000mg·L-1,,245.0mL;。,NaCl。Na+5g·L-1,206.5mL,84.3%;16ChinaBiogas2008,26(1)238.5mL,,。Na+6g·L-1,194.0mL,79.2%;。Na+7～12g·L-1,5、6、8、9、11、13,4。Na+13g·L-1,46.0%,14,49.1%,,Na+。Na+,。Na+,,,,。Na+,,。,。3.2　Na+对有机物降解的影响　　4Na+。NaCl,,82%,,[10]。,Na+IC,,,,,。4　Na+　　5Na+COD,Na+4g·L-15g·L-1,COD7000mg·L-12000mg·L-1,,。5　Na+CODNaCl,,。COD2000mg·L-1,COD,2～5,。Na+,。IC,,;,,,。,,,COD82%。KincannonGaudy[11],COD;。3.3　Na+对挥发酸VFA的影响　　VFA。6,Na+VFA203～643mg·L-1。,,,VFA。Na+13g·L-1,VFA962mg·L-1,。6　VFA17ChinaBiogas2008,26(1)　　Na+13g·L-1,,,,VFA。3.4　碱度缓冲能力的变化,,,。,,COD,COD[12],VFACOD。,BA/TA:BA/TA=([CaCO3]-0.71[VFA])/[CaCO3]0.8。,BA/TA0.6[13]。7　Na+　　7Na+。Na+10g·L-1,0.8,;Na+10g·L-1～Na+12g·L-1,0.6～0.8,,VFA;Na+13g·L-1,0.6,,。4　　　(1)Na+:,Na+。NaCl,,Na+13g·L-146.0%,。(2)Na+12g·L-1,Na+,82%。(3)Na+12g·L-1,VFA203～643mg·L-1;Na+13g·L-1,VFA962mg·L-1。(4)Na+10g·L-1,0.8,;Na+10g·L-1～12g·L-1,0.6～0.8,。Na+13g·L-1,。:[1]　.[J].,2000,20(4):6-10.[2]　KargiF,DingerAR.Salinewastewatertreatmentbyhalo-phile-supplementedactivatedsludgecultureinanaera-tedrotatingbiodisccontactor[J].EnzymeandMicrobialTechnology,1998,22(6):427-433.[3]　KargiF,DingerAR.Effectofsaltconcentrationonbio-logicaltreatmentofsalinewastewaterbyfed-batchoper-ation[J].EnzymeandMicrobialTechnology,1996,19(7):529-537.[4]　RosaMF,FurtadoAAL,AlbuquerqueRT,etal.Biofilmdevelopmentandammoniaremovalinthenitri-ficationofasalinewastewater[J].BioresourceTechnolo-gy,1998,65(1-2):135-138.[5]　UygurA,KargiF.Saltinhibitiononbiologicalnutrientre-movalfromsalinewastewaterinasequencingbatchreac-tor[J].EnzymeandMicrobialTechnology,2004,34(3-4):313-318.[6]　,,.[J].,2007,32(6):94-97.[7]　.()[M].:,2002.[8]　,.[M].:,2004.[9]　.[M].:,1998.[10],,.NaCl[J].,2004,22(1):19-35.[11]KincannonDF,GaudyAF.Responseofbiologicalwastetreatmentsystemstochangesinsaltconcentration[J].Biotechnol.Bioengng,1968,10:483-496.[12],,.[J].,2006,19(3):50-52.[13],,.[J].,2006,26:172-175.18ChinaBiogas2008,26(1)