泔脚厌氧发酵中试系统设计及运行研究李铭裕

:2007-06-01:(1965-),,,,E-mail:[e-mail]李铭裕1,钱小青2,郭　强2,赵由才2(1.,　200120;2.,　200092)　:,1300L;,,,1.66kg·m-3d-135℃,102m3。,。:;;:X703;S216.4　　:A　　:1000-1166(2007)06-0019-06DesignandOperationofTwo-phaseAnaerobicDigesterwithPre-acidificationProcessTreatingKitchenHogwash/LIMing-yu,QIANXiao-qing,GUOQiang,ZHAOYou-cai/(1.ShanghaiEnvironmentGroupCoLTD,Shanghai200120,China;2.StateKeyLabofPollutionControlandResource,TongjiUniversity,Shanghai200092,China)Abstract:Onthebasisofsmall-scaletest,1300Loftwo-phaseanaerobicdigesterwithpre-acidificationprocesswasde-signedandtestedforthecharacteristicsofstableoperationandbiogasoutputinmorelikelyindustryconditionstreatingkitchenhogwash.Theresultsshowedthatoptimalbiogasoutputof102m3pertonofkitchenhogwash(watercontent85%)couldbeobtainedunderVSloadingrateof1.66kg·m-3d-1and35℃.Keywords:Foodwaste;Anaerobicdigestion;Pilotscale1　　　　,、,。,[1～4],,,。、,、、、。,,、,。2　2.1　发酵工艺的选择[5],,,,;,,VS(0.90g·L-1d-1),,18%。,,50%,,,50%,50%;,,,50%。,,、,85%～90%,、、。2.2　反应器流态的选择,(),19ChinaBiogas2007,25(6)。,、,[6～7]。,(HRT)。:(PFR),(CSTR)。,,,CSTRPFR1:VCSTRVPFR=Xs+KmCs0[Xs1-Xs]Xs+KmCs01n11-Xs(1):VCSTR———;VPFR———;Km———;Xs———;Cs0———。1,,CSTRPFR,,,,。,,,,,1Km/CS0,,,,-,,,,,,,,,(,)[8]。,(CSTR)。2.3　搅拌方式的选择,,,。,、,、,,,,,[5]。,。、,,,:、。,,,;,,。,。,RushtonCD-6,ICI,BT-6(1)、、,。1　　　,BT-6,,,,,BT-6。2.4　其它运行条件的选择,20ChinaBiogas2007,25(6)、、,,,,,,QW();,,,;pH,。2.5　反应器设计构建,:VS:1.00～1.50g·L-1d-1:1.30m3;1.00m3(HRT):2～4d:50L,2。2　3　3.1　试验内容与方法3.1.1　反应器启动,,。1%Na2S。,C5H7O2NP0.06S0.1,,1.5。:H2S;、、。Zehnder(1980),(S)0.01mg·L-1～1.0mg·L-1,[9]。UASB()。1m3(96%,VS82.4%),,1%Na2S,4h2kg,。35℃。,pH,,pHpH。,。3.1.2　运行试验,,。(35℃),3,2,,,,,。:,,,。10,,,,pH。(55℃),,,,:92%,TS8%,VSS85%。。、,pH。4,,pHpH,1。21ChinaBiogas2007,25(6)1　/(kg·d-1)VS/(g·L-1d-1)/d/d201.66510403.32510604.98510806.645101008.30510—20—806.64—103.2　结果与分析3.2.1　中温启动特性pH3。3　pH　　,,4。,,,25%,,,,;,,30L·d-1。,,,,,,,,,,,,,,267L。,,2kg,,,,,,,320L。,,,25%,。,,,,,,。,,,30L·d-1;,。pH。,pH7.2,,。,pH。,,,,pH。10983L,98L,98L·m-3d-1;(VSS)0.014m3·kg。10,,,,。3.2.2　系统的中温运行特性4,5。,,。1.66kg·m-3d-1,20kg,,102040L,102m3。,40kg,,2125L,,45m3,60%;60kg,,1462L;80kg,;100kg,。,,1.5kg·m3d-1。,,。4　22ChinaBiogas2007,25(6)5　、　　,20kg,,10,pH6.5～7.4,;40kg1～3,;60kg80kg,pH,pH,,。100,pH,2,pH5.0～5.8,,,。,,(SRT),10,,12～15。,30,50,,102m3。3.2.3　系统的高温运行特性,20kg,204L;80kg,107L,,50%,4。,,。,,80kg,12.5,,,。,,,20,,80kg·d-1。6。,,,1。50%。。,,,,,。,。,,10,50%,100%。,,,,,390L,167L,60%,,,,33%。,,,,,,,,,pH,。pH,,pH,6.0,、,pH。,,,;,,,,。6　4　　　,,,1.66kg·m-3d-1,102m3。1200t·23ChinaBiogas2007,25(6)d-1,4467m3·-1,1.12×1012kJ,600。:[1]　.———[M].:,1991:10-12.[2]　DBnedwell,PJpeynolds.Treatmentoflandfillleachatebymethanogenicandsulphate-reductingdigestion[J].WaterResearch,1996,30(1):21-28.[3]　TenHongChen,WuHuannShyu.Performanceoffourtypesofanaerobicreactorsintreatingverydilutedailywastewater[J].BiomassandBioenergy,1996,5:431-440.[4]　VKSharma,CTesta,GCastelluccio.Anaerobictreat-mentofsemi-solidorganicwaste[J].EnergyConver-sionManagement,1999,40:369-384.[5]　.[D].:,2006.[6]　LettingaG.Advancedanaerobicwastewatertreatmentinnearfuture[J].WatSciTech,1997,35(10):5-12.[7]　.[M].:,1999.[8]　,.[J].,2002(3):13-18.[9]　GabrieleSchober,etal.Oneandtwo-stagedigestionofsolidorganicwaste[J].WatRes,1999,33(3):854-860.(9)[15]MCAlmeida,DButler,EFriedler.At-sourcedomesticwastewaterquality[J].UrbanWater,1999,(1):49-55.[16]RabindraRajGiri,JunichiTakeuchi,HiroakiOzaki.InfluenceofnightsoilcontaminationonactivatedsludgemicrobialcommunitiesinBangkok,Thailand.EcologicalEngineering2005(25):395-404.[17]J.G.Marcha,M.Guala,FOrozco.Experiencesongreywaterre-usefortoiletflushinginahotel[J].Desalination,164:241-247.[18]ErwinNolde.Greywaterreusesystemsfortoiletflushinginmulti-storeybuildings-overtenyearsexperienceinBerlin[J].UrbanWater,1999(1):275-284.[19]　,.[J]..2001,127(14):41-44.[20]BJefferson,ALaine,SParsons,TStephenson,SJudd.Technol-ogiesfordomesticwastewaterrecycling[J].UrbanWater,1999,(1):285-292.[21]MurrayGoddard.UrbangreywaterreuseattheD'LUXDevelop-ment[J].Desalination,2006(188):135-140.[22]NadineOschmann,LongDNghiem,AndreaISchäfer.Foulingmechanismsofsubmergedultrafiltrationmembranesingreywaterre-cycling[J].Desalination,179:215-223.[23]　,.[J]..2002,20(3):7-11.[24]MImura,YSato,YInamori,rSudo.Developmentofahigh-effi-ciencyhouseholdbiofilmreactor[J].Watscitech,1995,31(9):163-171.[25]AlanSmith,JuKhow,SianHills.WaterreuseattheUK'sMil-lenniumDome[J].MembraneTechnology,118:5-8.[26]RMars,RTaplin,GHo,KMathew.GreywatertreatmentwiththesubmergentTriglochinHuegelii-acomparisonbetweensurfaceandsubsurfacesystems[J].EcologicalEngineering,20:147-156.[27]StewartDallas,BrianScheffe,GoenHo.Reedbedsforgreywatertreatment-casestudyinSantaElena-Monteverde,CostaRica,CentralAmerica[J].EcologicalEngineering,23:55-61.[28]FolkeGǜnther.Wastewatertreatmentbygreywaterseparation:Out-lineforabiologicallybasedgreywaterpurificationplantinSweden[J].EcologicalEngineering2000(15):139-146.[29]ImkeFittschen,JanuszNiemczynowicz.Experienceswithdrysani-tationandgreywatertreatmentintheecovillageToarp,Sweden[J].Watscitech,1997,35(9):161-170[30]RalfOtterpohl,MatthiasGrottker,Jörglange.Sustainabl