SBR反应器短程同步硝化反硝化处理垃圾渗滤液张绍青副本

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SBR张绍青1,张立秋1,2,张朝升1,2,赵丽敏1,李健平1,张丹荣1(1.广州大学土木工程学院,广东广州510006;2.广州大学教育部广东省珠江三角洲水质安全与保护实验室,广东广州510006)采用序批式活性污泥法(SBR)处理垃圾渗滤液,在控制系统温度为(28±1)℃、进水pH值为7.9~8.2、MLSS为4000~4500mg/L,并保持进水COD为900~1000mg/L、NH+4-N为480~500mg/L的条件下,考察DO对短程硝化反硝化的影响。结果表明,在80~120L/h的曝气量下能快速实现稳定的短程同步硝化反硝化,对NH+4-N的平均去除率可达92.5%,NO-2-N的平均积累率为89.3%;系统的最佳曝气量为120L/h,此时对氨氮的去除率为96.9%,亚硝酸盐积累率为97.2%,好氧段对总氮的去除率为74.7%。SBR;垃圾渗滤液;溶解氧;短程同步硝化反硝化X703A1000-4602201403-0010-05SimultaneousNitrificationandDenitrificationviaNitriteforTreatmentofLandfillLeachateinSequencingBatchReactorZHANGShao-qing1ZHANGLi-qiu12ZHANGChao-sheng12ZHAOLi-min1LIJian-ping1ZHANGDan-rong11.SchoolofCivilEngineeringGuangzhouUniversityGuangzhou510006China2.KeyLaboratoryforWaterQualitySecurityandProtectioninPearlRiverDelta<MinistryofEducationandGuangdongProvince>GuangzhouUniversityGuangzhou510006ChinaAbstractTheeffectofDOonsimultaneousnitrificationanddenitrificationSNDvianitritefortreatmentoflandfillleachateinSBRsystemwasinvestigatedattemperatureof28±1℃pHof7.9to8.2MLSSof4000to4500mg/LinfluentCODof900to1000mg/LandNH+4-Nof480to500mg/L.TheresultsindicatedthattheSNDvianitritewasachievedrapidlyataerationratesof80to120L/htheaverageremovalrateofNH+4-Nwas92.5%andtheaverageaccumulationrateofNO-2-Nwas89.3%.Theoptimalaerationratewas120L/htheremovalrateofNH+4-Nwas96.9%theac-cumulationrateofNO-2-Nwas97.2%andtheremovalrateofTNwas74.7%.KeywordsSBRlandfillleachatedissolvedoxygensimultaneousnitrificationanddenitri-ficationvianitrite51178125、212070232012-K7-410A056、、、·01·第30卷第3期2014年2月中国给水排水CHINAWATER&WASTEWATERVol.30No.3Feb.2014。、、、、、pH1~3。、pH、、、FA、C/N、MLSS、3~5。NOBNH+4-NNO-2-N67。C/N、、pH。SBRSBR。1试验材料和方法1.1SBR150cm18cm12L。。pH、DOpH/Oxi340i。1SBRFig.1SchematicdiagramofSBR1.2、、、pH、、。1.3N-1--CODMLSS。1.4。SBR12h7.5L10g。→420min→120min→30min→10min→140min。80mg/L480mg/L。MLSS4000~4500mg/L。2结果和分析2.1TN。480mg/L。28±1℃pH7.9~8.280~120L/h50d。NAR>50%NAR。NH+4-N、TN2。2SBR、NO-2-NFig.2NH+4-NandTNremovalandNO-2-NaccumulationinSBR2NH+4-N465.2~506.4mg/L·11·.watergasheat.com张绍青,等:SBR反应器短程同步硝化反硝化处理垃圾渗滤液第30卷第3期NH+4-N12.0~63.2mg/LNH+4-N92.5%。TNTN487.5mg/LTN58.1%~67.1%62.4%。NO-3-N10.6~27.4mg/LNO-2-N113.1~146.2mg/L80%89.3%。NOBAOB。、pHAOBNOBFANOB0.1~1.0mg/LAOB10~150mg/LFA3.42~42.79mg/LNOBAOB。2.2DO28±1℃pH7.9~8.2COD、NH+4-N960、480~500mg/LMLSS4234mg/L。160、80、120、160L/hDO<0.2、0.2~0.4、0.5~0.7、0.7~1.0mg/L。1、NO-2-NTab.1NH+4-NandTNremovalandNO-2-Naccumulationatdifferentaerationrates/L·h-1NH+4-NTN/mg·L-1/mg·L-1/%/mg·L-1/mg·L-1/%NO-3-N/mg·L-1NO-2-N/mg·L-1NAR/%60485.275.884.459.487.863.886.978.883.869.185.1486.9174.564.210.887.989.1150.769.17.184.292.2166.565.811.591.288.8183.762.314.190.886.6164.066.39.885.189.780487.239.292.032.393.438.392.236.092.631.193.6488.7143.970.68.396.492.1131.873.010.688.989.4126.374.26.181.993.1137.571.98.792.891.4130.073.48.690.391.3120502.413.797.317.196.615.696.915.796.915.696.9503.9141.971.94.5123.797.8122.175.82.9102.197.2133.073.62.6114.996.5114.077.42.395.997.7127.674.73.8108.296.6160483.60100.07.298.58.298.30100.00100.0484.9202.558.211.0191.594.6207.257.311.1188.994.5205.657.612.7184.793.6197.259.310.8186.494.5195.759.610.4185.394.72.2.1DO1DO。NO-3-N2.3~14.1mg/LNO-2-N87.4、90.1、109.0、187.4mg/L86%120L/h97.2%。NO-2-NDO<0.2mg/L、pHFANOBAOBNOB1.2~1.5mg/LAOB0.2~0.4mg/L8AOBDO·21·第30卷第3期中国给水排水.watergasheat.com。TN65.5%、72.6%、74.7%58.4%120L/h。NO-2-N。2.2.2DO3NH+4-N、TN、NO-3-N、NO-2-N。3Fig.3Profileofnitrogenconcentrationatdifferentaerationrates3a60L/h160L/h110min60L/h。3bTN。TN。TN。3c120min15mg/LNO-2-N120min。160L/hNO-2-N120min。NO-3-NNO-2-NNO-2-NNO-3-NAOBTN。3结论①SBR、pH、NO-2-N89.3%92.5%TN62.4%。②120L/h96.9%NO-2-N97.2%74.7%。③120minNO-2-N120minNO-2-NNO-2-N。1YooKAhnKHLeeHJetal.NitrogenremovalfromsyntheticwastewaterbysimultaneousnitrificationanddenitrificationSNDvianitriteinanintermittently-aera-tedreactorJ.WaterRes1999331145-154.(下转第18页)·31·.watergasheat.com张绍青,等:SBR反应器短程同步硝化反硝化处理垃圾渗滤液第30卷第3期icdenitrificationunderdifferentorganicsandalkalinityconditionsbatchexperimentsJ.WaterSciTechnol2003471237-244.3.J.2009311-5.4.J.2004234757-760.5.J.200526147-50.6GreenwayM.Theroleofconstructedwetlandsinsec-ondaryeffluenttreatmentandwaterreuseinsubtropicalandaridAustraliaJ.EcolEng2005255501-509.7./J.2009382198-202.8TanakaYYatagaiAMasujimaHetal.Autotrophicdenitrificationandchemicalphosphateremovalofagro-industrialwastewaterbyfiltrationwithgranularmediumJ.BioresourTechnol2007984787-791.9.J.20133451835-1844.10.J.201030176-81.11.D.2011.1989-。E-maildiannanana@sjtu.edu.cn櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆2013-08-12(上接第13页)2.J.201329510-14.3.D.2009.4.J.20092519-13.5.D.2011.6.SBRJ.20096071806-1811.7.J.201127120-2328.8LaanbroekHJBodelierPLEGerardsS.Oxygencon-sumptionkineticsofNitrosomonaseuropaeaandNitrobact-erhamburgensisgrowninmixedcontinuouscultulesatdif-ferentoxygenconcentrationsJ.ArchMicrobiol1994161156-162.1990-。E-mailzsq1617@163.com2013-09-25·81·第30卷第3期中国给水排水.watergasheat.com

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