二相厌氧生物工艺相分离优越性的探讨

31219984哈　尔　滨　建　筑　大　学　学　报JournalofHarbinUniversityofC.E.&ArchitectureVol.31No.2Apr.1998李建政　任南琪　王爱杰　王　莉　赵　丹　陈晓蕾(),,,,:1.,;2.,;;X171971ChoshPohland[1],,,,,[26],,1实验装置及方法1.1(921144741.1),(CSTR),--13.7L,4.3L,,UASB,200mm,84L,62.8L,351,11.2,7d35,7.514kgCOD/m3.d,20d:1997-11-03/(150008)(59578021)1,,1.3,NP1.4CODSC-7,[7]2产酸相的效能分析,,,,,,[7],,;,,,,2.1,CO2/H2,[7],,,,,,:,,CO2/H2,22(1.2.3.4.5.6.,:4.4kgCOD/m3d,Ph6.6,:5.34kgCOD/m3d,pH6.3,:3.29kgCOD/m3d,pH6.2(2-),,,512李建政等:二相厌氧生物工艺相分离优越性的探讨(2-,2-),,,,,,2.23COD(:45kgCOD/m3d),COD:,(3),,,COD85%(),COD,(pH),,,,2.3,[8]4PH24()[]=[]=0.02M[HCO-3]=0.02M,pH=7[]=[]=0.01M,[]=0.005M,52哈　尔　滨　建　筑　大　学　学　报31G0(G0=+19.2kJ/,G0=+48.1kJ/,G0=+76.1kJ/),,,G004,PH20.15atm,,PH2210-3910-5atm,PH2,,PH2,,pH,,,,,[9]3　产甲烷相运行状况分析,,,3.15,,COD85%COD25004000mg/L,COD92%;COD40006500mg/L,COD85%()BOD595%5COD1.:2500mg/LCOD4000mg/L2.:400mg/LCOD6500mg/L3.BOD53.26,,(HRT)1d,HRT0.8d,,,(CODMLSSpH),,,532李建政等:二相厌氧生物工艺相分离优越性的探讨6HRTUASB4　相分离对厌氧反应器中菌群分布及组成的影响,4.17[10],,,,[6,7,8,10,11],7:,104/mL[12],,,,CO2/H2,CH4CO2,(HRT),,,,,11071109/mL,[13]4.254哈　尔　滨　建　筑　大　学　学　报311[11],,,,,,,,,,1(/mL)9.01041.31074.11034.71071.61021.81026.61065.21041.91071.71032.71081.8103.61031.91055　结论:(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)6.:[].:,1990552李建政等:二相厌氧生物工艺相分离优越性的探讨7,:,19948,:,19869,1989(4):1610..:,198811,.1989(1):91212Gil-Pena,M.L.etal.,Environ.Tech.Lett.,1986(9):47948613,.,1993(2):2933AnalysisontheSuperiorityofPhaseSeperationinTwo-phaseAnerobicProcessLiJianzhengRenNanqiWangAijieWangLiZhaoDanChenXiaoleiAbstractThesuperiorityofphaseseperationintwo-phaseanerobicbiotreat-mentsystemwascomprehensivelydiscussedthroughanalyzingtherelatedreferencescombinedwiththeexperimentalresults.Theresearchoftheeffectivenessofacid-phase,theoperatingstatusofmethane-phaseandtheinfluenceofphaseseparationonthemicrobicgroupsandtheirconstitutioninanerobicfermentationprocesswasperformed.Theresultsconfirmedthatthetreatmentcapacityandtheoperationstabil-ityofthewholeanerobicbiotreatmentsystemwereimprovedthroughthefulfillmentoftwo-phaseseperationasfollows.Ontheonehand,theoptimalfermentationprod-uctswereprovidedtothemethane-phasebytheacid-phasewhiletherelativere-trievalrateoftheacidorganicfermentationincreasing,sothetreatmentcapacityofthemethaneorganicphasewasimproved.Ontheotherhand,theinterspeciescoordinationamongthemainmicrobicgroupsinthesystemwasimprovedwhiletheinteractofmi-crobicspeciesbeingweakened.Keywordsorganicwastewater;two-phaseanerobicbiotreatment;phaseseper-ation56哈　尔　滨　建　筑　大　学　学　报31