改进的二相厌氧消化系统的特性研究郭养浩

18319975　　　　　　ENVIRONMENTALSCIENCEVol.18,No.3May,1997*郭养浩　孟　春　石贤爱　张景峰　陈惠峰　林敦辉(,　350002)　UASB.,、pH、COD200kg/(m3d).,,.COD1000—7000mg/L、COD40kg/(m3d),COD200mg/L..　,,.*　:1996-11-13　　、[1,2],.,,pH[1].,.,(CSTR)[3](UASB)[4],2.,,,,.、,、、.1　(1)　();();().(2)　CSTR(1.51)(51).,0.45.UASB10L(12cm,130cm),,4L.28—30℃.,UASB.1　(3)[9]　COD:,:;:;pH:pHS-3;:,NH3-N;.2　2.1　,COD3000mg/L(),2—3d,,0.4h.3d,,,DOI:10.13227/j.hjkx.1997.03.011..1CSTRUASB.1,UASB2,,,,,.,CSTRUASB1.0.18h-1,CSTR,D≈0.7μm,CSTR8h.CSTR20.UASB2,,,.1,,,,COD[200kg/(dm3)](0.4h),CSTRUASB.1　/kgm-3d-1/h1)/%/d12000.451.4622001.560.06CSTR1[3]9.61021.49CSTR2[5]9.61041UASB1[1]39.2≥4407UASB2[4]2103.720　　1)=/COD　　pH6.5—7.0,pH,pH5.0—9.0.、,pH(2).,pH.2.5LCSTRCOD32kg/(m3d),pH9.88.8,CSTR.,COD200kg/(m3d).0.5L,0.4h,pH6.4—7.4,.2L,1.5h,pH6.4±0.1.2L10LUASB,50%,pH,..,,,,.2　pH1.CSTR,2.5L,COD32kg(m3d),pH9.82.,2.0L,COD200kg/(m3d),pH10.53.,0.5L,COD200kg/(m3d),pH10.52.2　2.2.1　　　,,COD,COD(3)..393　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　,,1996,COD.50kg/(dm3),COD.UASB,.,45kg/(dm3)(UASB).,,,.3　COD1　COD　2　COD4.40kg/(dm3),COD1000—7000mg/L,.(1500mg/L),COD85%—90%,COD100—150mg/L.(5000—7000mg/L),COD95%—98%.COD180—200mg/L.,,(COD100mg/L).,,,()、.2.2.2　,pH4　1.COD　2.COD6.0,COD1000—1200mg/L,70—100u/ml.20kg/(dm3),.COD100—200mg/L,COD85%—90%.,0,.,pH3.6,,,COD10000—15000mg/L.,pH7.0—7.5.,20kg/(dm3),COD65%—71%;5000mg/L[30kg/(m3d)],COD46.6%.,,COD,84.3%,COD9.6kg/(dm3)23.4/(dm3).23,,32u/ml,[6]COD.,NH3-N.NH3-N200mg/L.,N[7].,,.(44)40　　　　　　185　　----//dB(A)0.34.21.84.6/%0.910.86.26.5//dB(A)0.76.32.26.5/%0.513.24.912.1//dB(A)0.41.2-1.0　1.5/%0.26.69.8　7.9//dB(A)0.62.1-0.8　3.5/%1.29.78.8　15.86　　(1),,,,.(2),,.,.,.(3).(4)≤60dB(A),≤50dB(A),,.1　.,1994.10(5):202　.,1989.8(4):223　.,1994.4(11):244　LambertJetal..JournalofSoundandVibration,1984,92(2):159(40)2　/kgd-1m-31020303040COD/mgL-112002)32002)50002)5000+20001)5000+20001)COD/mgL-15001120267011002000COD/%71.065.346.684.371.0NH3-N/mgL-1400720401521COD/kgd-1m-37.19.89.623.434.0　　1)COD5000mg/L,2000mg/L　2)3　(1),,,pH,CSTRUASB.(2)UASB,,.(3).40kg/(dm3),COD200mg/L,.　　　1　.,1990,10(4):3042　.,1995,22(5):2893　CohenAetal..WaterResearch,1979,13:5714　.,1995,29(5):1655　ZoenemeyerRJetal..WaterResearch,1982,16:3036　.,1992,13(3):517　.,1991,12(3):744　　　　　　18leachedfortenyearsaremorethan7,exceptthebrownearthwhichbecomeacidunderpH2inthefourthyear.Thetotallossesoftheleachedbaseionsare:Aftertenyearsleach-ing,limeconcretionblacksoilsalt-affectedsoilchaosoilbrownearth.Thesensitivityofbaseionstoacidrainare:Ca2+Mg2+K+、Na+.Thesimulatedacidrainhasactiva-tiontothealuminiuminthesoils.Thereisnoactivealuminiuminthefourtypyesofsoilsexceptthebrownearthwhichtheactivealu-miniumappearsinpH2.Ithasobviousim-provementeffecttoapplylimetotheacidbrowncarth.Keywords:simulatedacidrain,simulatedearthvolumetest,physicalandchemicalpropertiesofsoil,activealuminium.AStudyontheTreatmentofBlackLiquorfromBambooPulpingProcesswithSequenc-ingBatchReactorBiologicalTechnique.YanShanghua,ChenMinetal.(GuangdongUni-versityofTechnology,Guangzhou510090):Chin.J.Environ.Sci.,18(3),1997,pp.30_33Inthispaper,thetreatmentofbamboopulpingblackliquorinwhichligninhasbeenseparatedbyacidwithsequencingbatchreactor(SBR)wasinvestigated.TheexperimentalresultsshowedthatBOD5andCODinblackliquorisreducedremarkablywiththetreatmentofSBR,BOD5removalrateis70%—83%,CODremovalrateis54.5%—63%,theeffluentBOD5andCODafterthetreatmentare76—101mg/Land419—500mg/LrespectivelywheninfluentCODis1090—1170mg/L.Thetechnologyofcombininginternaldecomposi-tionwithSBRismoreefficientfortreatmentofblackliquor,BOD5andCODremovalrateare67%—68%and71.4%—76.9%respec-tively,theeffluentBOD5andCODfromthissystemare33—48mg/Land242—315mg/LrespectivelywheninfluentCODis1046—1100mg/L.ItisinkeepingwithGB8978-88effluentstandard.Theinternaldecompositionremarkablyincreasetheeffectivenessoffol-low-upSBRtreatment.Inaddition,thekineticsoffirstorderdegradationreactionofCODwasstudied.Thekineticconstantandun-degradableCODhadbeencalculated.Simulat-eddatatallywithexperimentaldatawell.Keywords:SBR,biologicaltechnique,inter-naldecomposition,bamboopulp,blackliquor,biologicaldegradation,sequencingbatchreac-tor.StudyontheFormulaofExpansionCharacter-isticofThree-phaseBiologicalFluidizedBed.PanTao,WuYangshan,WangShaotang(BeijingMunicipalResearchAcademyofEn-vironmentalProtection,Beijing100037):Chin.J.Environ.Sci.,18(3),1997,pp.34_37Theformulaofexpansioncharacteristicinthethree-phasebiologicalfluidizedbedhasbeenfoundedinthisstudy.Whentheempty-bedvelocityofliquidandgasaswellasthethick-nessofbio-filmareknown,thehighofbedex-pansionisdeterminedratherprecisely,whichprovidedbasisfordesign.Itisunusualthattheexpandrulerinboththetwo-phasebedandthree-phasefluidizedbedarereflectedbyusingoneequivalentfunction;therelationshipofthedynamicinbiochemicalreactionandbe-haviorofhydomechanicshasbeensetupbythethicknessofbio-film.Thebehaviorofshrinkinbedunderthelowvelocityofgascanbereflectedbythisformula,andtheformulainthree-phasebedcanberestoredtooneintwo-phasebedwhenthevelocityofgasisze-ro.Thetestedbedis1.4mofdiameterand6.5mofhigh,inwhichthedia