EGSB厌氧发酵垃圾渗滤液制氢的启动特性研究刘强

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EGSB,,,,(,200444):(EGSB),,COD.35e?1e,114~1617gP(L#d),pH510~515,20d,EGSB.30h,310mPh,1460mLP(L#d),19%~33%,COD50%~70%,40%~70%32%~65%.(VFA)80%,.:;EGSB;;:X38211:A:0250-3301(2009)08-2491-06:2008-09-28;:2008-12-27:(08dz1208003);()(S30109):(1978~),,,,,E-mail:qliu@staff.shu.edu.cnStart-upofEGSBforBiohydrogenProductionfromCompostLeachateLIUQiang,XUHui,LIMi,XUZh-iyi,QIANGuang-ren(SchoolofEnvironmentandChemicalEngineering,ShanghaiUniversity,Shanghai200444,China)Abstract:Anexpandedgranularsludgebedreactor(EGSB)wasemployedtoevaluatethestar-tupprocessoffermentativebiohydrogenproductionfromcompostleachate.TheremovalperformanceofCOD,totalnitrogen,totalphosphorusinleachateaswellasthehydrogenproductionabilityofEGSBwasinvestigated.Theresultsshowedthatat35e?1e,organicloadingrateof114-1617gP(L#d),themainpHof510to515,thecontinuoushydrogenproductionbyEGSBreactorusingthecompostleachateassubstratecouldbeachievedafter20dpsacclimatization.UnderconditionsofHRTof30handliquidflowrateof310mPh,theCODremovalrateofbetween50%to70%,thecontentofhydrogeninthebiogasofbetween19%-33%,themaximalhydrogenproductionrateof1460mLP(L#d),totalphosphorusandtotalnitrogenremovalrateofbetween40%-70%and32%-65%respectively,wereachieved.Thetotalethanolandaceticacidcontentwasmorethan80%inliquidendproducts(VFAs),suggestingthemainfermentationisethanolfermentationtype.Keywords:leachate;expandedgranularsludgebed(EGSB);anaerobicfermentation;hydrogenbio-production[1~3],,,.,,[4,5],[6~9].[10~13].(expandedgranularsludgebed,EGSB)3,[14~16].,.,,,.,[17],,.EGSB,CODNP,,.1111EGSB1.,1010L,1200mm,80mm,610L.pH30820098ENVIRONMENTALSCIENCEVol.30,No.8Aug.,2009,pH.,.,EGSB.,,0126L.1EGSBFig.1SchematicdiagramofEGSB112,COD51000~71000mgPL,SS20000~34000mgPL,pH410~610,200~800mgPL.24h,,pH[18].,,,MLSSMLVSS41362mgPL30472mgPL,0128~2mm.,312L,1317gPL.Lettinga[19,20]UASB10~15gPL.113CODBODSSMLSSMLVSSNH+4-NNO-3-N[21].pHpHDelta320(Mettler-toledo),pHpH(Mettler-toledo).,,,,.(volatilefattyacids,VFAs)GC-900A[22],FID,FFAP(30m@0132mm@015Lm).:70e1min,30ePmin130e1min,10ePmin195e,30ePmin220e5min,70e.220e,240e.80mLPmin,30mLPmin,20mLPmin.pH1~2,12000rPmin20min.9800(TCD)[23],TD-01(1m@3mm),:30e,:50e,:55e;,1515mLPmin,100LL;,.114,.(35?1)e,COD1200mgPL,(organicloadingrate,OLR)114gP(L#d),pH510~515[24],20h,216mPh.COD,30h,310mPh,COD,.,2:Ñ(1~20d)Ò(21~70d).2211pHpH,pH,,pH.,pH417~518,pH618~712[25],pH,.pHpH,249230pH.pH2.pH510~5151Ñ,pHpH,;Ò,34d,pH,pH710~810,pHpH.2pHFig.2pHvariationofsystem212CODCOD.COD3,ÑCOD1200~5880mgPL,,,20h,216mPh,COD15%~20%.ÒCOD,5900~14000mgPL,Ñ,COD,30h,310mPh,50%~70%,EGSB[13].3CODFig.3CODremovalefficiencyofEGSB213,,CBNBP330~400B10B1,CBNBP200~300B5B1[25],N,P,NP.4(a),.Ñ,COD,,6%~20%.Ò,,,40%~70%,82%.4(b),188~1270mgPL.Ñ,.Ò,37d,32%~65%,69%.4(c),15~264mgPL18~340mgPL,.,,4(d),300~450mgPL30~213mgPL,.,pH615~8,20~35e[26],35e?1e,pH6~8,,.214,VFAs.5,ÒVFAs,VFAs,30%~56%41%~60%,80%.60mgPL,VFAs..3:,,[27,28].2156OLR.OLR114~1617gP(L#d)[6(a)],OLR.6(b),Ñ,,;Ò,20d,,,288mLP(L#d),900~1460mlP(L#d),102524938:EGSB4Fig.4ContentsofTN,TP,NH+4-N,NO-3-Nininfluentandeffluent5(VFAs)Fig.5Compositionofliquidendproducts(VFAs)mLP(L#d),19%~33%[6(c)].3,COD,pH.[29].24(c),pH,34d.[30].6Fig.6Hydrogenbio-productioncapabilityofthesystem,VFAs,pH249430;()NH3,pH,[18]:CNH2H2COOHNADH2yNADCH3COOH+NH3pH,,pH..Salerno[31],018gPL,.340mgPL,,.,N2,.Mizuno[32]N2,.,N215,68%.,N2,,N23%~7%,.4(b)4(d),Ò,[4(a)],NP.P,[33].N,P,P,.[11~13],,,33%,[34].,,[35].Chu[29],9015%,4714%.,COD21d(3),pH(2)[4(c)]34d,,pH(),()..,Cl-[36],.4(1),,35e?1e,30h,310mPh,pH510~515710~1617gPL#d,EGSB.(2),EGSBCOD50%~69%,40%~70%32%~65%,1025mLP(L#d)1460mLP(L#d),19%~33%.(3)VFAs80%,EGSB.:[1]XiaoBY,LiuJX.Effectsofthermallypretreatedtemperatureonbiohydrogenproductionfromsewagesludge[J].JEnvironSci,2006,18(1):6-12.[2]TingCH,LeeDJ.Productionofhydrogenandmethanefromwastewatersludgeusinganaerobicfermentation[J].IntJHydrogenEnergy,2007,32(6):677-682.[3]DasD,VerzirogluTN.Hydrogenproductionbybiologicalprocesses:asurveyofliterature[J].IntJHydrogenEnergy,2001,26(1):13-28.[4]UenoY,OtsukaS,MorimotoM.Hydrogenproductionfromindustrialwastewaterbyanaerobicmicroflorainchemostateculture[J].JFermentBioeng,1996,83(2):194-197.[5]YokoiH,MakiR,HiroseJ,etal.Microbialproductionofhydrogenfromstarchmanufacturingwastes[J].BiomassBioenerg,2002,22(5):389-395.[6]LayJJ,LeeYJ,NoikeT.Feasibilityofbiologicalhydrogenproductionfromorganicfractionofmunicipalsolidwaste[J].WaterRes,1999,33(11):2579-2586.[7]NielsenAT,AmandussonH,BjorklundR,etal.Hydrogenproductionfromorganicwaste[J].IntJHydrogenEnergy,2001,26(6):547-550.[8],,,.[J].,2007,28(5):1153-1157.[9]ShinHS,YounJH,KimSH.Hydrogenproductionfromfoodwasteinanaerobicmesophilicandthermophilicacidogenesis[J].IntJ24958:EGSBHydrogenEnergy,2004,29(13):1355-1363.[10],,.[J].,2005,25(2):275-278.[11],,.[J].,2004,25(6):113-116.[12]RenNQ,GuoWQ,WangXJ,etal.HydrogenenergyrecoveryfromhighstrengthorganicwastewaterwithethanoltypefermentationusingacidogenicEGSBreactor[J].JHarbinInstTechnol(NewSeries),2005,12(6):603-607.[13]WangXJ,RenNQ,XiangWS,etal.Thestar-tupofbiohydrogenproducingprocessbybioaugmentationintheEGSBreactor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