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18319975ENVIRONMENTALSCIENCEVol.18,No.3May,1997SBR*颜尚华 陈 敏 刘 鸿 朱又春 郭 鹏(,510090)(SBR)BOD5COD,COD10901170mg/L,BOD570%83%,COD54.5%63%,BOD5COD76101mg/L419500mg/L.SBR.COD10461100mg/L,BOD5COD67%68%71.476.9%,BOD5COD3348mg/L242315mg/L,GB8978-88.SBR.COD,K1COD..SBR,,,,,CODCr,BOD5,COD.*:1996-11-22,90%[1].-(SequencingBatchReactor,SBR),.11.1.,31().1/mgL-1pHCODCrBOD511011260070728242101135004353723310118750109060101.2(1)SBR1.,60L,48L,,.,,...1SBR1.2.3.4.5.6.7.8.9.(2)2.,80%,,.,.1.3CODCrBOD5[2].751G,[3].21.2.3.1.4:pH33.5(6065,30min),,SBR.:pH33.5(6065,30min),,,pH78,SBR.1.5,(pH7),.,KH2PO4,BOD5NP=10051.10d,.2,20%,(MLSS)3000mg/L,BOD580%.,,()(),.,.,,.22.1-SBR112,,SBR,SBR23.21)/mgL-1CODCr/%BOD5/%/%12600111557.170749829.62824584.879.29235001137.567.5435314.627.73723705.981.01)pH3.03.5,6065,30min,1hSBR3SBR1)/mgL-1CODCr/%BOD5/%/%1113041962.94707783.6600504162110050054.552610180.8569.6495.51331155.4447.361.2340.876.577.6692.8621.718.241088.5470.156.8314.58772.372563412.551168.6485.858.4288.686.670.0700613.912.31):2h,8h,1h,1h,;121,352;50%;MLSS30003500mg/L2,,CODCrBOD557%68%28%30%79%81%.3,,.COD,SBRCOD.3132,BOD5/COD,COD,COD,400mg/L.BOD5,,,.2.2--SBRSBR2.1,2.1,,SBR,-SBR45.4/mgL-1()pH7CODCr8750359412941046BOD51090809.6341.7133.260101231.8904.6355.85SBR(-)1)/mgL-1CODCr/%BOD5/%/%11100.6315.071.4147.747.767.721046.0242.176.9133.033.175.1355.4341.53.931070246.776.913945.167.2600347.74.21)3,32,,COD,58.8%75.1%,GB8978-88.1BOD51,BOD5,COD,,SBRCOD.2.3SBRSBRMLSS30003500mg/L,SV30.18%22%,SVI58%65%,,.SBR,,SBR.SBR,40mg/L.2.4COD(Eckenfelder),,,.,,-:-dLtdt=K1Lt(1),LttCOD(mg/L);t(h);K1COD(h-1).L0t=0COD(mg/L),(1):Lt=L010-K1t(2),K1=K1/2.3(t=0)tCODL0Lt,COD,2.CODLn,tCODLrt,2:Lrt=L0-Lt(3)Lrt=L0-Lt(4)(2)(4)Lrt=L0(1-10-K1t)(5)(5),(t,Lrt)[4]K1L0,L032183CODCOD;L0L0CODLn;Lt=Lt-LntCOD.COD3.313,;46,.3,2h,COD350mg/L,8h,COD450mg/L,4h,COD.3COD(6).0.988,.COD.,COD0.227h-10.268h-1,COD427mg/L197mg/L,COD21.5%.6CODK1/h-1L0/mgL-1Ln/mgL-1Lt/t=8r10.230397.0404.043.30.99220.234350.0429.340.80.99730.217380.0447.238.60.99240.267459.5245.369.70.99550.269473.5173.668.40.98860.268487.7172.174.60.9993(1),SBRCOD54.5%63%,BOD70%84%;SBRCOD71%77%,BOD67%75%.1GB8978-88.(2)COD,COD,COD,.(3)SBRSBR.COD,COD,SBR.1.,1995,1:402..:,1989:354356,3623[],..:,1988:2194RS..:,1982:5659333leachedfortenyearsaremorethan7,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%,theeffluentBOD5andCODafterthetreatmentare76101mg/Land419500mg/LrespectivelywheninfluentCODis10901170mg/L.Thetechnologyofcombininginternaldecomposi-tionwithSBRismoreefficientfortreatmentofblackliquor,BOD5andCODremovalrateare67%68%and71.4%76.9%respec-tively,theeffluentBOD5andCODfromthissystemare3348mg/Land242315mg/LrespectivelywheninfluentCODis10461100mg/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,i