ASBRSBR

:2003-01-16:(1974-),,1999,ASBR-SBR(,030024):,,SBR-SBR,24,,,,,,133,:TOC81-91%,TKN85-91%,10-28%TKN,R,TN,NOX-2N:;;;;:X52:B:1001-2141(2003)4-0036-03()[1],,,,COD,NP,,NH4+NOX-,NOX-N2,[2],,SBR-SBR,11.11mm,11000ö15,11.211,SBR1TOC(göl)5.861.33VFA(%TOC)57(gCöl)1.570.74(gCöl)1.090.47+(gCöl)0.270.17+(gCöl)0.410.22TKN(göl)3.690.74NH4-N(göl)2.940.40TSS(göl)2.84-3.963.43pH7.680.141Q1SBRQ2,1.5,0.75,35Q1+Q2SBR,,1.5,0.1Löd,,325420034,,20-22,,700öQ2,Q124,22R,R=Q2öQ1,Q1Q222(d)Q1(Löd)R(L)(L)É1-640.111.51.5Ê65-1550.121.51.5Ë156-3610.221.53Ì362-4290.231.53Í430-7040.231.5322.1,(100%-0)(0-100%),Q1Q2(),,Q2,NOX-(NO2-,NOX-97%),,(-350mv-112mv),,-300mv3,NOX-TOC,TOC,VSS,TOC,N2(70%)CH4(27%)CO2(3%)N2,CH4,TOCSBR,NOX-2NNO2-NO3-,,N2;NOX-,,CH4,N2,NOX-,NOX-NH3,CöN,(N2)[3]3Ë(70d,190d260d)3ËQ1(1öd)TOC(göd)TC(göd)VFA(gCöd)TKN(göd)NH3-N(göd)NO2-N(göd)NO3-N(göd)TN(göd)(w)0.1961.1811.6270.6110.7310.663000.731(r)0.4200.2840.4230.0050.1930.0750.3240.0120.5290.6160.8721.8560.1910.8990.776000.899(%)40.59.569.02.7-5.110010028.70.6160.8721.8560.1910.8990.776000.8990.6160.4170.6210.0080.2830.1100.3670.0180.668(%)53.661.110073.581.525.70.1961.1811.6270.6110.7310.663000.7310.1960.1330.1980.0020.0900.0350.1510.0060.247(%)88.787.899.787.794.766.23,425mgVFA2C,1344mgCOD,(VFA),NO2-NO3-,CODöN1.712.86,588mgCODCOD10%,VFA50%,VFACH4CO2734:ASBR-SBR2.2Q1,,,DO0.6-0.8mgO2öLDO11,DO,,,,,,pH8,pHpH,,,DO,,pH,pH2.34,4Q1(löd)RTOC(%)TKN(%)TN(%)0.1184.45.386.86.058.53.80.1290.91.190.52.575.57.30.2288.62.989.34.471.66.50.2382.03.690.31.869.24.80.2381.07.285.27.475.58.4TKNNNOX--N,NOX--NRR,TN,NOX--NTKN100%,:2.3.1TKN;2.3.2NOX--N,Nout=TKNout+N2NOXout=TKNWö(I+R),TKNWTKN,Nout(),R1,2,3,50%66.7%75%,4,4TKNNout,,,,,TOC10%,3,SBRSBR,:3.1SBR,SBR,;3.2R,TN,NOX--N,;3.3TOCTKN81-91%85-91%41,,11,2000122(1):2427.211:,2000,308309.3AkunnaJ.C.,BizeauC.andMolettaR.Denitrificationinanaerobicdigesters;possibilitiesandinfluenceofwastewaterCODöN2NOXandratio.Environ.Technol.13,825836.:63:023-67837168:4011208325shown:asthemolarrateofAlöFeöSiandBareequalto111,0.8respectively,PSAFhasachievedthebestflocculationre2sultswiththesoundpHvaringbetween6and8andbestdoseof1.510-5molL-1(mountedasSiO2),bywhichturbidityremovalismoreremarkablethanthatbyaluminiumsulphate,ferricsulphateandpolysilicicacid.AllofabovehasfoundedanindustrialbaseforPSAFproductionandapplication.Keywords:PSAF;flocculant;inorganicpolymerInSituEngineeringTestsonMSWPlaneCompactionEffectsatXiapingSanitaryLandfillinShenzhenJiangJianguo1,WangWei1,MaXiaoguang1,HuangZhonglin2;FengXiangming2(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084;2.XiapingSanitaryLandfill,Shenzhen518019)Abstract:Thedensityoffreshrefusewasratherlow,soin2situMSWcompactionoperationwasquiteimportanttoin2creasethedensityoftherefuseandtoextendthelifetimeofthelandfill.ThemainfactorswhichcouldinfluencetheMSWplanecompactioneffectswasexploredthroughin2situengi2neeringtestsatXiapingsanitarylandfillinShenzhencity.Theresultsdemonstratedthatthebestlayerthicknesswasbetween0.5mto0.7m,thebestcompactiontimeswas3timesandthebestMSWwatercontentwasbetween30%to50%toachievebestplanecompactioneffects.Keywords:MSWlandfill;planecompaction;layerthick2ness;compactiontimes;compactionspeed;MSWwatercontentAnaerobicSbr-AerobicSbrfortheTreatmentofPiggeryWastewaterZhaoChenhong(DepartmentofEnvironmentalEngineering,TaiyuanUniversityofTechnology,Taiyuan030024)Abstract:Biologicaltreatmentofapiggerywastewaterfororganiccarbonandnitrogenremovalinacombinedanaerobic2aerobicsystemwasinvestigatedusingtwolaboratory2scalese2quencingbatchreactors.Thecyclelengthwas24h.Intheanaerobicreactor,fedwithrawwastewaterandrecyclingfromtheareobicreactor,denitrificationfollowedbyanaerobicdiges2tionoforganiccarbonwasobserved.Intheaerobicreactor,moreorganiccarbonremovalandammoniaoxidationtomainlynitriteoccurred.Denitrificationwasalsoboservedintheaero2bicreactorduringthefillingperiod,whenmixedliquordis2solvedoxygneconcentrationwasverylow.Threerecycle2to2in2fluentratiosfrom1to3weretested.Averageperformanceoftheoverallprocess,inthedifferentconditionstested,wereaTOCremovalof81to91%and85to91%ofTKN.10to28%oftheniitialTKNwasdischargedbecauseofthelowrecycle2to2influentratiosused.Thehighertherecycle2to2influentra2tio,thehighertheefficiencyoftotalnitrogenremoval,thelow2ertheconcentrationsofnitrogenoxidesinthefinaleffluent.Keywords:anaerobicdigestion;denitrification;nitrifica2tion;piggerywastewater;sequencingbatchreactorDeterminationofTraceNitriteinWaterSamplesoftheEnvironmentUsingCheniluminescenceGaoQi1,DouXianmin2(1.CollageofBasicScience,HenanAgriculturalUniversity;Zhengzhou450002;2.ZhengzhouInstituteofLightIndustry,Zhengzhou450002)Abstract:InacidicmediumthatNO2-oxidize[Fe(CN)6)]4-to[Fe(CN)6]3-,andluminol-[Fe(CN)6]3--uricchemiluminescencereactionwascoupledtogether,thusanewmethodthatindirectdeterminationofnitritewasfound.Theeffectoffactorsasconsistencyofvariousshbstanceofre2action,acidity,disturbionsetc,ontheanalyicalresultswerestudied.Underoptimalcondition,thelinearrangeforthedeter2minationofNO2-was1.010-71.010-5gömLandthedete