二相厌氧生物工艺相分离优越性的探讨

31219984JournalofHarbinUniversityofC.E.&ArchitectureVol.31No.2Apr.1998(),,,,:1.,;2.,;;X171971ChoshPohland[1],,,,,[26],,11.1(921144741.1),(CSTR),--13.7L,4.3L,,UASB,200mm,84L,62.8L,351,11.2,7d35,7.514kgCODöm3.d,20d:1997-11-03ö(150008)(59578021)1,,1.3,NP1.4CODSC-7,[7]2,,,,,,[7],,;,,,,2.1,CO2öH2,[7],,,,,,:,,CO2öH2,22(112131415161É,:4.4kgCODöm3d,Ph616Ê,:5134kgCODöm3d,pH613Ë,:3129kgCODöm3d,pH612(2-É),,,152:(2-Ê,2-Ë),,,,,,2.23COD(:45kgCODöm3d),COD:,(3),,,COD85%(),COD,(pH),,,,2.3,[8]4PH24()[]=[]=0102M[HCO-3]=0102M,pH=7[]=[]=0.01M,[]=01005M,2531$G0($G0=+1912kJö,$G0=+4811kJö,$G0=+7611kJö),,,$G004,PH20115atm,,PH2210-3910-5atm,PH2,,PH2,,pH,,,,,[9]3,,,3115,,COD85%COD25004000mgöL,COD92%;COD40006500mgöL,COD85%()BOD595%5COD11:2500mgöLCOD4000mgöL21:400mgöLCOD6500mgöL31BOD53126,,(HRT)1d,HRT018d,,,(CODMLSSpH),,,352:6HRTUASB4,4117[10],,,,[6,7,8,10,11],7:,104ömL[12],,,,CO2öH2,CH4CO2,(HRT),,,,,11071109ömL,[13]41245311[11],,,,,,,,,,1(ömL)910104113107411103417107116102118102616106512104119107117103217108118103161031191055:(1),,,,(2),,,,,,,,1Pohiand,F.GandS.Ghosh,Environ.Lett.,1:255266(1971)2Cohen,A.,etal.,ProcessBiochem.,19:288233(1984)3Denac,M.,etal.,Biotech.&Bioeng.,31:110(1988)4Bhatia.D.,etal.,Biotech.&Bioeng.,27:11921207(1991)5Harper,S.R.andF.G.Pohland,Biotech.&Bioeng.,28:585602(1986)61:[]1:,1990552:7,:,19948,:,19869,1989(4):1610..:,198811,.1989(1):91212Gil-Pena,M.L.etal.,Environ.Tech.Lett.,1986(9):47948613,.,1993(2):2933AnalysisontheSuperiorityofPhaseSeperationinTwo-phaseAnerobicProcessLiJianzhengRenNanqiWangAijieWangLiZhaoDanChenXiaoleiAbstractThesuperiorityofphaseseperationintwo-phaseanerobicbiotreat2mentsystemwascomprehensivelydiscussedthroughanalyzingtherelatedreferencescombinedwiththeexperimentalresults.Theresearchoftheeffectivenessofacid-phase,theoperatingstatusofmethane-phaseandtheinfluenceofphaseseparationonthemicrobicgroupsandtheirconstitutioninanerobicfermentationprocesswasperformed.Theresultsconfirmedthatthetreatmentcapacityandtheoperationstabil2ityofthewholeanerobicbiotreatmentsystemwereimprovedthroughthefulfillmentoftwo-phaseseperationasfollows.Ontheonehand,theoptimalfermentationprod2uctswereprovidedtothemethane-phasebytheacid-phasewhiletherelativere2trievalrateoftheacidorganicfermentationincreasing,sothetreatmentcapacityofthemethaneorganicphasewasimproved.Ontheotherhand,theinterspeciescoordinationamongthemainmicrobicgroupsinthesystemwasimprovedwhiletheinteractofmi2crobicspeciesbeingweakened.Keywordsorganicwastewater;two-phaseanerobicbiotreatment;phaseseper2ation6531