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·102·12MW,2006,200710,700m3,1400kWh;3MW,200712,200810,30000m3,60000kWh,。、CSTR38℃、。:、、、、(1,2);,CDM。Abstract:WithDeqingyuanbiogasplantinBeijingandMinhebiogasplantinShandongasexam-ples,thisarticledescribedthehigh-rateanaerobicfermentationofchickenmanureusingCSTRprocess,fortheprocess,thepHis6.88~8.49,theammonia-nitrogenis5000mg/l,theVFAis80mmol/l,andtheoperationisgoodandstable;andnovelbio-desulfurizationtechnologyisusedforbiogasdesulfurizationpurification,H2Sremovalratecouldbeover97%,thepapercouldprovideref-erencefortheadjustmentandoperationofbiogasproject.Keywords:chickenmanure;anaerobicfermentation;bio-desulfurization:200909-09;:2009-10-28。:(1987-),,,,、。E-mail:chenzhiyuan2004@163.com,(,310020):CSTR,pH6.88~8.49、5000mg/l、VFA80mmol/l,;,H2S97%,。:;;:S216.4:B:1671-5292(2009)06-0102-03Analysisontheperformanceoflarge-scalebiogasprojectCHENZhi-yuan,CAIChang-da(HangzhouEnergyandEnvironmentEngineeringCo.,Ltd.,Hangzhou310020,China)2(A)(B)Fig.2CompletepictureofDeqingyuanbiogasplant(A)inBeijingandMinhebiogasplant(B)inShandongAB1Fig.1FlowchartRenewableEnergyResources276200912Vol.27No.6Dec.2009·103·,2,。,,;pHPHS-3BpH()[1];TS105±5℃[2];(NH3-N)[3];(HCO3-)(VFA)VFA[4]。,ADOSbiogas401。33.1,、、,;,,、。(),,、、,,,。,,、、,。,,,,,,、。3.2,1,pH、TS、、(HCO3-)(VFA)。3。pH、HCO3-(VFA)[5],。,pH(pH5.0~8.5),pHpH6.5~7.8。VFA,pH,pH,(HCO3-)pH,VFAHCO3-pH。3、、Fig.3Feedingrate,waterdischargingindexanddailygasyield0100020003000400050006000/mg·l-17/1041015160503252690100200300400500600VFA/mol·l-16.266.297.27.57.87.117.147.177.207.237.26/(·)22.12.22.32.42.5/m36.266.297.27.57.87.117.147.177.207.237.26/(·)/m32.65.005.506.006.507.007.508.008.509.00pH6.266.297.27.57.87.117.147.177.207.237.26/(·)0.001.002.003.004.005.006.007.008.00TS/%6.266.297.27.57.87.117.147.177.207.237.26/(·)9.00050100150200250HCO3/mg·l-16.266.297.27.57.87.117.147.177.207.237.26/(·)·104·2009,27(6)pH6.0~6.5,HCO3-95mmol/l,VFA405mmol/l,,VFA,pH,。pH,TS,HCO3-VFA,pH8.0~8.5,TS4%,HCO3-195mmol/l,VFA66mmol/l;pH,TSHCO3-,VFA,48mmol/l;,[6];VFAHCO3-80mmol/l,230mmol/l,。(NH4+)(NH3)。,[7]。,,30℃,[8],,,,,,;,,《》(GB18796-2001);5000mg/l,。3.3H2S。、、pH、,(、)H2S。:2H2S+3O2→2H2SO32H2S+O2→2S+2H2OH2S[(3000~5000)×10-6],,H2S200×10-6,。,,,。,H2S。4210d(H2S)。,97%(H2S3000×10-6)。4CSTR(C∶N)。,pH6.88~8.49,5000mg/l,VFA80mol/l,,。,,H2S97%。:[1],,.[M].:,1996.[2].[M].:,1984.[3]GB7478-87,[S].[4].[M].:,1998.[5],,.[M].:,2004.[6]HEYANLING,ZHANGANLONG,YANGSHUHUI.AnaerobictreatmentofkenafstemwoodAPMPwastew-ater[J].EnvironmentalTechnology,1995(16):467-476.[7],,,.[M].:,2004.[8]PAVLOSTATHISSG,JMGOSSET.Preliminaryconversionmechanismsinanaerobicdigestionofbio-logicalsludge[J].JournalofEnvironmentalEngi-neering,1988(14):575-599.4Fig.4DailygasyieldandtheeffectofBio-desulfurizationofDeqingyuanbiogasplantinBeijing02004006008001000120014001600010002000300040005000600070008000/m3H2S/10-6/m3H2S/10-6H2S/10-612345678910
本文标题:大型沼气工程运行分析
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