不同曝气强度下SBR系统污染物去除及N2O排放研究谭静亮

201331SBＲN2O*300384SBＲA/ON2O20.20.40.6L/minN2O。95%～98%N2ON2O0.4L/minN2O。STUDYONPOLLULANTＲEMOVALANDNITＲOUSOXIDEEMISSIONFＲOMASBＲWASTEWATEＲTＲEATMENTSYSTEMUNDEＲDIFFEＲENTAEＲATIONINTENSITYTanJinglianSunLipingLiYajingTianjinKeyLaboratoryofAquaticScienceandTechnologySchoolofEnvironmentandMunicipalEngineeringTianjinInstituteofUrbanConstructionTianjin300384ChinaAbstractTheexperimentinvestigatedtheremovalofCODandtheproductionofN2Ounderthreeaerationintensities0.20.4and0.6L/minbyusingtheactivesludgeacclimatedtoartificialwastewaterfortwomonths．Theresultsshowthattheaverageremovalrateofphosphateunderthethreeaerationintensitiescanallreach95%～98%theN2Oemissionunderlow-intensityaerationisobviouslyhigherthanthatunderhigh-intensityaeration．Inthe0.4L/minaerationintensitytheremovalrateofCODisthehighestandtheproductionofN2Oreachthelowestit`sthebestaerationintensity．KeywordsSBＲN2Oaerationintensity*2012ZX07308002。0N、P。SBＲ、、1－5。N、PSBＲ6－8。SBＲ/。N2O。N2ON2O9。SBＲA/ON2O。11.1SBＲ15cm30cm10cm5L。。SBＲN2ON2O。1.2481DOI:10.13205/j.hjgc.2013.s1.1722013311。1/mg·L－1/g·L－1NaAc320.3FeCl3·6H2O1.50NH+4-N12.0H3BO30.15PO3－4-P10.0CuSO4·5H2O0.03MgSO427.5KI0.18KCl12.0MnCl2·4H2O0.12CaCl28.9Na2MoO4·2H2O0.06NaHCO30ZnSO4·7H2O0.12KNO30CaCl2·6H2O0.153mL/LEDTA101.31.3.110CODHACHCODPO3－4-PNO3－-NNH+4-NNO2－-NN-1--。1.3.2N2OSBＲ。63NiECDN2O。Porapa-kQ360℃50℃＞99.999%30mL/min。3。1.3.3N2ON2O。30mL1mL3000mg/LHgCL21h。N2O。2。2。、N2O。N2O。30.20.40.6L/minN2O。2.110.20.40.6minCOD88.3%、92.3%92.8%39.7%、60.2%48.7%95.2%、96.3%、97.4%COD。0.4min－160.2%。0.40.6min－1。1A/OSBＲ2.20.20.40.6min－1。、、、2—4。30.3038.2140.86mg/L0.5mg/L。0.4min－10.6min－1。4.3mg/L0.4min－10.6min－1。。0.2min－10.4min－10.6min－1。2.3N2ON2O58120133120.2/min30.4/min40.6/minN2O2N2O。N2ON2O11－12N2O。N20N2O5—6。5N2O0.20.40.6min－1DO0.2～0.40.6～0.81.9～2.2mg/L。0.1010.0730.263μg/L。N2O0.2min－1N2O。DO0.2～0.4mg/L。DO。DO1.9～2.2mg/LDODODON2O。5N2O6N2ON2ON2O。N2ON2ON2O。、N2ON2ON2O。1696812013317SCODSＲT/dSCOD/g·L－1114.145.4634.143.3154.140.992110.3211.74310.3211.14510.3210.8531TS1∶3。SＲT=1dVFA3.01～4.26TS1∶1SＲT=5dVFA2.81～5.94。2TS1∶3pHSＲT=5d63.74%TS1∶1pH5.510%。3TS1∶1SＲT=1dSCODTS1∶1SCODSCODTS1∶3、SＲT=1d。1．J．．20124341584－1588．2EleniIacovidouDieudonné-GuyOhandjaNikolaosVoulvoulis．Foodwasteco-digestionwithsewagesludge-ＲealisingitspotentialintheUKJ．JournalofEnvironmentalManagement201[e-mail]2013－02－25186N2O。N2O0.20.40.6min－1N2O0.0240.0340.132μg/L。0.20.40.6min－1N2O0.1350.0970.395μg/L。31SBＲA/O0.5mg/L95%～98%。2N2O0.6min－1＞0.2min－1＞0.4min－10.3590.1350.097μg/L0.4min－1。1．SBＲJ．20023347－10．2KimJKParkKJChoKSetal．Aerobicnitrification-denitrifica-tionbyHeterotrophicBaeillusstrainsJ．Bioresourcetechnology200596171897－1906．3LiuXPengYWuCetal．NitrousoxideProductionduringnitrogenremovalfromdomesticwastewaterinlab-sealsequencingbatchreactorJ．Journalofenvironmentalseiences2008206641－645．4．J．2009321297－101．5WildererPAIrvineＲLGorzonszyMCetal．SequencingBatchＲeactorTechnologyJ．InternationalWaterAssociationLondon1999．6HuZZhangJLiSPetal．EffectofaerationrateontheemissionofN2Oinanoxic-aerobicsequencingbatchreactorsA/OSBＲsJ．Journalofbioscienceandbioengineering20101095487－491．7．SBＲJ．2003291134－37．8．SBＲJ．200016723－25．9PeterCzepielPatrickCrillＲpbertHarriss．NitrousoxideemissionfrommunicipalwastewatertreatmentJ．EnvironmentalScienceTechnology1995292352－2356．10M．2002．11．N2[e-mail]2013－04－05961