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285()Vol.28 No.5200710JournalofJinanUniversity(NaturalScience)Oct. 2007 [] 2007-05-16[] (2004B33301036)[] (1972-),,,,:.UASB曹 刚, 李明玉, 王 君(,510632)[ ] UASB,(COD)、、2,4-,、UASB.,UASB,COD(VFA),CH4;COD,.,,VFA、COD、;CH4、、COD.[] ; ; ; UASB; [] X703.1 [] A [] 1000-9965(2007)05-0503-05TheAnti-shockloadingcapabilityofUASBreactorfortreatmentofeasilybiodegradableorganiccompoundsCAOGang, LIMing-yu, WANGJun(DepartmentofEnvironmentEngineering,JinanUniversity,Guangzhou510632,China)[Abstract] TheCOD,chloroform,2,4-dinitrophonelandalkalinitywereselectedasshockload.TheperformancechangeofUASBreactorwasstudiedundersingleloadshock,doubleloadshockandmulti-loadshock,respectively.Theresultsshowthatunderloadshock,theeffluentCODandVFAofUASBreactorwouldincrease,theCH4volumefractionwoulddecrease,andthevolumegasproductionwouldincreaseunderCODshock,otherwiseitwoulddecreaseundertheotherloadshock.Theresultsalsosug-gestthatwhentheUASBreactorwasshockedbythemulti-loading,theinfluencingpriorityoffactorsfortheeffluentVFAweredescribedaschloroformCODdinitrophenolalkalinity,theinfluencingpriorityoffactorsforthevolumegasproductionandCH4volumefractionweredescribedaschloroformdinitro-phenolCODalkalinity.[Keywords] multi-loading; shock; easilybiodegradableorganiccompounds; UASB; perform-ance UASB,、、,.UASB,pH、、、、、[1-2].,,[3]、[4-5]、(chloroform,CF)[6][7],.,.,,.,,,,[8].UASB,、、2,4-(2,4-dinitrophone,DNP)、(alkalinity,ALK),、(COD)、(VFA)、CH4(volumegasproduction,VGP),.1 1.1 UASB1.4L,1.2L,55mm,600mm.(30±1)℃.[9].80d,COD(4000～4050mg·L-1)、NaHCO3(4000mg·L-1)120d,.,COD94%～96%,VGP5.9～6.2L·(L·d)-1,CH470.5%～72.3%,pH7.1～7.4.1.2 (1),COD、CF、DNP3,4-(3,4-dichloronitrobenzene,DCNB);CFCOD、DNPCOD,1.CF,COD、DNPDCNB. (2)4:COD、DNP、CFALK,ALKNaHCO3.4(2). ,L16(45).,3,16.DNP、CODALK,1h;CF.1 、CODCOD8000mg·L-1(3h)ALK、HRTCODCOD12000mg·L-1(3h)ALK、HRTCODCOD16000mg·L-1(3h)ALK、HRTCFCF10mgCOD、ALK、HRTCFCF15mgCOD、ALK、HRTCFCF20mgCOD、ALK、HRTDNPDNP30mg·L-1(3h)COD、ALK、HRTDNPDNP50mg·L-1(3h)COD、ALK、HRTDNPDNP100mg·L-1(3h)COD、ALK、HRTDCNBDCNB30mg·L-1(1h)COD、ALK、HRTDCNBDCNB90mg·L-1(1h)COD、ALK、HRTCF+CODCF10mgCOD8000mg·L-1(3h)ALK、HRTCF+CODCF10mgCOD12000mg·L-1(1h)ALK、HRTCF+CODCF10mgCOD12000mg·L-1(3h)ALK、HRTDNP+CODDNP100mg·L-1COD12000mg·L-1(1h)ALK、HRT504()282 m(CF)/mgρ(DNP)/(mg·L-1)ρ(COD)/(g·L-1)ρ(NaHCO3)/(g·L-1)153010210508831580121240016153 m(CF)/mgρ(DNP)/(mg·L-1)ρ(COD)/(g·L-1)ρ(NaHCO3)/(g·L-1)M15301612M2103010M315301215M403088M5550128M61050815M71550160M8050112M9580115M101080168M111580812M12080120M135080M141001212M1515018M16001615 ,:COD25g/L、DNP150mg/L、CF30mgALK15g/L,HRT.1.3 1h.:;COD:[10];ALK:-[10].VFA:[11];CH4:[11].2 2.1 UASBCOD、VFA、VGPCH41.COD、CF、DNPDCNB,COD,6～10h.1(a),20mgCFCOD,COD2287mg·L-1,CF26h.,COD20h.1(a)1(b),VFACOD. COD,VGP,15.6L·(L·d)-1,CF、DNPDC-NP,VGP,2、46h.4VGP24h,20mgCF,VGP.,CH4.COD、DNPDCNP,CH456%、57%58%,20h;CF,CH441%,26h.1 UASB2.2 2COD(12000mg·L-1)CF505 5 ,:UASB(10mg).CODCF,COD,10h1553mg·L-1,,20h(2(a)).COD(12000mg·L-1)DNP(100mg·L-1),COD,6h894mg·L-1,,18h.VFACOD(2(b)).CODCFVGP2(c),VGP,3h6.94L·(L·d)-1,;VGP,9h3.50L·(L·d)-1,,17h.CODDNP,VGP,3h3.74L·(L·d)-1,,VGP,8h5.40L·(L·d)-1,,15h.2 UASB ,UASBCH4,4～6h,.8h(2(d)).,CODCFCH4.2.3 VFA、VGPCH4,.4.4,VFACFCODDNPALK;VGPCFDNPCODALK;CH4CFDNPCODALK.,CFUASB,DNPCOD,ALK.4 CFDNPCODALKVFA814406438230VGP2.082.071.970.94CH414.1010.949.243.473 3.1 COD、VFACH4、,CODVFA,CH4.,,CODVFA,CH4;,,,CODVFA,CH4.,CFCOD、VFACH4.,CF、DNPDCNB;CF,DCNB,DNP,.,COD、VFA、CH4.UASBCFDNP,COD,ALK.,CODVFA,506()28CODVFA.,VFACOD.3.2 VGPCF、DNP、DCNBDNPCOD,VGP.,.COD,VGP;CODCF.CF,,CODCF,.CODCF,COD,,[12].,COD,.4 (1)UASB,CODVFA,CH4;VGPCOD,.(2)UASBCF、COD、DNPALK,VFACFCODDNPALK;VGPCH4CFDNPCODALK.[][1] BALAS,DHAGATNN.Wastewatertreatment:Upflowanaerobicreactorsystem[J].ChemicalEngineeringWorld,2001,36(1):66-77.[2] ATUANYAEI,CHAKRABARTIT.Kineticsofbiotrans-formationof2,4-dichlorophenolusingUASB-reactor[J].EnvironmentalMonitoringandAssessment,2004,96:129-141.[3] GIJZENHJ,ELISABETHB,HENRYF.Cyanidetoxic-ityandcyanidedegradationinanaerobicwastewatertreat-ment[J].WaterResearch,2000,34(9):2447-54.[4] SPONZADT,AYSENU.Treatmentof2,4-dichloro-phenol(DCP)inasequentialanaerobic(upflowanaero-bicsludgeblanket)aerobic(completelystirredtank)re-actorsystem[J].ProcessBiochemistry,2005,40(11):3419-28.[5] KARIMK,GUPTASK.Effectofshockandmixednitro-phenolicloadingsontheperformanceofUASBreactors[J].WaterResearch,2006,40(5):935-42.[6] ALFIERIP,ALBERTOR.Inhibitingeffectsofchloro-formonanaerobicmicrobialconsortiaasmonitoredbytheRANTOXbiosensor[J].WaterResearch,200,135(5):1179-1190.[7] ,,.[J].,2005,25(2):214-219.[8] FLORENCIOL,FIELDJA,LANGERAKA,etal.pH-stabilityinanaerobicbioreactorstreatingmethanolicwastewaters[J].WaterScienceandTechnology,1996,33(3):177-184.[9] ,,.GA-ANNUASB.,2003,9(13):55-57.[10] .()[M].:,2002:121-123,211-212.[11] .[M].:,2001:505-513.[12] SPEECERE.AnaerboicBiotechnologyForIndustrialWasteWaters[M].USA:byArchaePressPub,1996:276-278.[责任编辑:黄建军]507 5 ,:UASB