ASBRSBR工艺处理养猪场废水赵晨红

:2003-01-16:(1974-),,1999,。ASBR-SBR赵晨红(,030024)　　　:,,SBR-SBR,24。,,。,,,,。133,:TOC81-91%,TKN85-91%。,10-28%TKN,R,TN,NOX--N。:;;;;:X52　　　　:B　　　　:1001-2141(2003)4-0036-03　　()[1]。,,,。,COD、,N、P,。,NH4+NOX-,NOX-N2,[2]。,,SBR-SBR,。1　1.1　。1mm,11000/15,。1。1.2　1。　　1,SBR1　TOC(g/l)5.861.33VFA(%TOC)57(gC/l)1.570.74(gC/l)1.090.47+(gC/l)0.270.17+(gC/l)0.410.22TKN(g/l)3.690.74NH4-N(g/l)2.940.40TSS(g/l)2.84-3.963.43pH7.680.141　Q1SBRQ2,1.5,0.75,35℃。Q1+Q2SBR,,1.5,0.1L/d,,325　4　　　　　　　　　20034,,20-22℃,,700/。Q2,Q1。24,22。R,R=Q2/Q1,Q1Q2。2。2　(d)Q1(L/d)R(L)(L)Ⅰ1-640.111.51.5Ⅱ65-1550.121.51.5Ⅲ156-3610.221.53Ⅳ362-4290.231.53Ⅴ430-7040.231.532　2.1　——,(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,TOC。SBR,NOX--N。NO2-NO3-,,N2;NOX-,,CH4,N2。,NOX-。,NOX-NH3,C/N,(N2)[3]。3Ⅲ(70d,190d260d)。3　ⅢQ1(1/d)TOC(g/d)TC(g/d)VFA(gC/d)TKN(g/d)NH3-N(g/d)NO2-N(g/d)NO3-N(g/d)TN(g/d)(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(%)88.787.899.787.794.766.2　　3,425mgVFA-C,1344mgCOD。,(VFA)。,NO2-NO3-,COD/N1.712.86,588mgCOD。COD10%,VFA50%,VFACH4CO2。374　:ASBR-SBR2.2　——Q1,。——,,DO0.6-0.8mgO2/L。DO11,DO。,,,,。,。,pH8,pH。pH,,,DO,。,pH,pH。2.3　4,。4　Q1(l/d)RTOC(%)TKN(%)TN(%)0.1184.45.386.86.058.53.80.1290.91.190.52.575.57.30.2288.62.989.34.471.66.50.2382.03.690.31.869.24.80.2381.07.285.27.475.58.4　　TKNNNOX--N,NOX--NR。R,TN,NOX--N。TKN100%,:2.3.1　TKN;2.3.2　NOX--N,Nout=TKNout+N-NOXout=TKNW/(I+R),TKNWTKN,Nout()。,R1,2,3,50%、66.7%、75%,4,4TKNNout。,,,,,TOC10%,。3　　　,SBR—SBR,:3.1　SBR,SBR,;3.2　R,TN,NOX--N,;3.3　TOCTKN81-91%85-91%。4　1　,,..,2000.22(1):24～27.2　..:,2000,308～309.3　AkunnaJ.C.,BizeauC.andMolettaR.Denitrificationinanaerobicdigesters;possibilitiesandinfluenceofwastewaterCOD/N-NOXandratio.Environ.Technol.13,825～836.　:63:023-67837168　:40112038　　　　　　　　25shown:asthemolarrateofAl/Fe/SiandBareequalto1∶1∶1,0.8respectively,PSAFhasachievedthebestflocculationre-sultswiththesoundpHvaringbetween6and8andbestdoseof1.5×10-5mol·L-1(mountedasSiO2),bywhichturbidityremovalismoreremarkablethanthatbyaluminiumsulphate,ferricsulphateandpolysilicicacid.AllofabovehasfoundedanindustrialbaseforPSAFproductionandapplication.Keywords:PSAF;flocculant;inorganicpolymerInSituEngineeringTestsonMSWPlaneCompactionEffectsatXiapingSanitaryLandfillinShenzhenJiangJianguo1,WangWei1,MaXiaoguang1,HuangZhonglin2;FengXiangming2(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084;2.XiapingSanitaryLandfill,Shenzhen518019)Abstract:Thedensityoffreshrefusewasratherlow,soin-situMSWcompactionoperationwasquiteimportanttoin-creasethedensityoftherefuseandtoextendthelifetimeofthelandfill.ThemainfactorswhichcouldinfluencetheMSWplanecompactioneffectswasexploredthroughin-situengi-neeringtestsatXiapingsanitarylandfillinShenzhencity.Theresultsdemonstratedthatthebestlayerthicknesswasbetween0.5mto0.7m,thebestcompactiontimeswas3timesandthebestMSWwatercontentwasbetween30%to50%toachievebestplanecompactioneffects.Keywords:MSWlandfill;planecompaction;layerthick-ness;compactiontimes;compactionspeed;MSWwatercontentAnaerobicSbr-AerobicSbrfortheTreatmentofPiggeryWastewaterZhaoChenhong(DepartmentofEnvironmentalEngineering,TaiyuanUniversityofTechnology,Taiyuan030024)Abstract:Biologicaltreatmentofapiggerywastewaterfororganiccarbonandnitrogenremovalinacombinedanaerobic-aerobicsystemwasinvestigatedusingtwolaboratory-scalese-quencingbatchreactors.Thecyclelengthwas24h.Intheanaerobicreactor,fedwithrawwastewaterandrecyclingfromtheareobicreactor,denitrificationfollowedbyanaerobicdiges-tionoforganiccarbonwasobserved.Intheaerobicreactor,moreorganiccarbonremovalandammoniaoxidationtomainlynitriteoccurred.Denitrificationwasalsoboservedintheaero-bicreactorduringthefillingperiod,whenmixedliquordis-solvedoxygneconcentrationwasverylow.Threerecycle-to-in-fluentratiosfrom1to3weretested.Averageperformanceoftheoverallprocess,inthedifferentconditionstested,wereaTOCremovalof81to91%and85to91%ofTKN.10to28%oftheniitialTKNwasdischargedbecauseofthelowrecycle-to-influentratiosused.Thehighertherecycle-to-influentra-tio,thehighertheefficiencyoftotalnitrogenremoval,thelow-ertheconcentrationsofnitrogenoxidesinthefinaleffluent.Keywords:anaerobicdigestion;denitrification;nitrifica-tion;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.Theeffectoffactorsasconsistencyofvariousshbstanceofre-action,acidity,d