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冀滨弘 章非娟(, 200092) :、,,,,。:;;;;ProgressofAnaerobicDigestionTechnologyforTheHigh-sulphate-contentWastewaterTreatmentJIBinhong;ZHANGFei-juan(SchoolofEnvironmentEngineering,TongjiUniversity,Shanghai,200092)Abstract:Inhibitionmechanismsofsulphatereductiontomethane-producingbacteria(MPB)intheprocessofanaerobicdiges-tionofhigh-sulphate-contentwastewaterweredescribedinthispaper.Theyweredescribedmainlybythecompetitionbetweensulphate-reducingbacteria(SRB)andmethane-producingbacteria(MPB),andinhibitionofsulfideproducedbythemicrobialreductionofsulphate,Meanwhile,thepresentanaerobicdigestiontechnologiesforthehigh-sulphate-contentwastewatertreatmentwereintroduced.Keyword:high-sulphate-contentwastewater; anaerobicdigestion; SRB; MPB; sulphatereduction 、,,、、、、。,H2S,。,。,,,:1.(SRB)(MPB)(、H2);2.,。,;;。1 SRBMPB:1998-12-28; :1999-05-26,,,,。,,,,。:1.;2.;3.Cu2+,Ni2+,Zn2+;4.,。,,,。1.1 SRB与MPB的初级抑制作用H2SRBMPB,70%,40%～60%H2S,,,SRBMPB。3 ChinaBiogas1999,17(3)SRBMPB,(1):1.SRBH2,Km;2.。,;3.MPBSRB。Postatgc[1],SRB100mV,MPB-330mV,,,。,Vmax1 、Km(mM)Vmax〔mM(gVSS·d)〕G0(kJ)3.015.4CH3COO-+SO2-4※HS-+2HCO-3-71.7(SRB)H20.0011124H2+SO2-4+H+※HS-+4H2O-152.60.230.4CH3COO-+H2O※CH4+HCO3--31.0(MPB)H20.0061234H2+HCO-3+H+※CH4+3H2O-135.9,(1)。H2,Vmax,,,。,SO2-4,,。Isa[2],15%COD,85%COD。Harada53.3%MPB,20.4%SRB。SRBMPB。:(1)CODSO2-4CODS。,SRBMPBCODSO2-4,,。ChoiRim[3]CODSO2-41.7～2.7,,CODSO2-42.7,,;CODSO2-41.7,SRB,。O.Mizuno[4],CODS≥6(CODSO2-4≥2),,80%;CODS=1.5,50%。UberoiBhattacharya[5],,CODS2(CODSO2-4≤23),。(2)。、,,,;,。,,,。(3)SRBMPB。,,,,。Isa[2],,200,30。(4)SRB。,SRB,SRB。,,MPB,MPB;、,MPB。(5)SRBMPB。4 ChinaBiogas1999,17(3),SO2-4,;,,SO2-4,,SO2-4。,,,。1.2 硫化物对MPB的次级抑制作用,SRB,。MPB,MPB。,,。MPB,MPB,SRB。,:H2S(S2-)。,pH,H2S,H2S,。MPB,,100mgL～1100mgL。H2S,,pHH2S。,、、、pH、、pHH2S。2 ,,、H2S、MPB、、,。2.1 高效单相厌氧反应器,。Isa[2],SO2-4,S5000mgL,。Herbert[16]UASB,COD5000mgL,SO2-46000mgL,COD98%;COD,SO2-47500mgL,COD32%。E.Coneran[7](14+34),:HRT1.4d,CODSO2-4=3.61,COD3.43gL,COD8.84kgCOD(m3·d),COD52%,BOD80%,CH465.5%。[6]。,,,,。MPB,MPB,,。2.2 二相厌氧消化法,。Reis[8],,,,5 ChinaBiogas1999,17(3)。:1.,;2.,H2S,;3.,,,,COD。Sarner[10],,UASB,。COD19300mgL,BOD55930mgL,SO2-45225mgL,pH6～6.3,SO2-463%,COD56%,BOD590%。[9]UASB。,,H2S,。2.3 生物脱硫,。,。,:;。,,,。Gommers[11]。,NO-3,,NO-3。Robertson[12],,。,Gistbrocadcs,。:1.,;2.;3.;4.,。,,。,、[13]——。2.4 添加SRB抑制剂工艺SRB,,SRB,,MPB,MPB。,。(MoO2-4),,MoO2-4SO2-4,SRB,,,,。,SRBMoO2-4,(0.6～1.0mMNa2MoO4)SRB,MPB。,20mM10mMNa2MoO4,SRB,MPB,50%。,,,,,6 ChinaBiogas1999,17(3)。2.5 铁盐预处理法,。[14],MPB。,Fe2+,,H2S。[15],,。:FeCl224.7mgL;FePO449.4mgL;Fe2O349.4mgL;Fe3O498.8mgL;FeCl2,FePO4Fe2O3Fe3O4。HS-1,8.0kgCOD(m3·d),3L(L·d),COD75%～78%。,Fe2+Fe3+,Fe3+H2SFe2+,:2Fe2++12O2+2H+※2Fe3++H2O2Fe3++S2-※2Fe2++S,,Fe2+S2-,,。[17]Fe2+,。,,。:H2SMPB;pHH2S;(3)。:[1] Postgate,J.R.TheSulphateReducingBacteriaUK:Cam-bridgeUniversityPress,1984[2] Isa,Z.etal.SulphateReductionRelativetoMethanePro-ductioninHigh-rateAnaerobicDigestion.Appl.Environ.Microbiol.,1986,51(3):572～587[3] Choi,E.andJ.M.Rim.CompetitionandInhibitionofSulfateReducersandMethaneProducersinanaerobicTreatment.Wat.Sci.Tech.,1991,23:1259～1264[4] O.Mizuno,Y.Y.LiandT.Noike.EffectsofSulfateConcen-trationandSludgeRetentiontimeontheInteractionbetweenMethaneProductionandSulfateReductionforButyrate.Wat.Sci.Tech.,1994,30(8):45～54[5] Uberoi,V.,Bhattacharya,S.K.InteractionsamongSulfateReducers,AcetogensandMethanogensinAnaerobicPropi-onateSystem.WaterEnviron.Res.,1995,67(3):330～339[6] ..,1995,17(5):10～13[7] E.Colleran,etal.AnaerobicDigestionofHigh-Sulphate-ContentWastewaterFromtheIndustrialProductionofCitricAcid.Wat.Sci.Tech.,1994,30(12):263～273[8] Reis,M.A.M.,etal.SulphateReductioninAcidogenicPhaseAnaerobicDigestion.Environ.Rech.Letters,1998,9:775～784[9] ,,.-.,1993,13(1):13～16[10] Sarner,E.AnaerobicTreatment,AGrown-upTechnology.Aguatech.,1986,189～204[11] Gommers,P.J.F.,etal.SimultaneousSulfideandAcetateOxidationinaDenitrifyingFluidizedBedReactor-Measure-mentsofActivitiesandConversion.Wat.Res.,1988b,22:1085～1092[12] Robertsonetal.AnaerobicandAerobicDenitrificationbySulphideOxidizingBacteriafromWastewater.TNOCorp.Comm.Dept.AnaerobicWastewaterTreatment.Nether-lands,1983a:3～12[13] ,,..,1995,16(3):8～11[14] ,,..,1995,13(3):10～13[15] ,,,..,1996,14(4):11～16[16] HerbertII,P.Fangetal.EffectofSulfateonAnaerobicDegradationofBenzoateinUASBReactors.Journalofen-vironmentEngineering,1997,(4):320～328[17] ..,19907 ChinaBiogas1999,17(3)