MBR短程硝化反硝化处理高氨氮废水影响因素的研究孙星凡

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34320093ENVIRONMENTALSCIENCEANDMANAGEMENTVol.34No.3Mar.2009:2008-11-20:(1981-),,,。:1673-1212(2009)03-0106-03MBR孙星凡1,2,文一波2,张言1,张璇1,胡晓晖1,陈伟山1(1.,730070;2.,101102) :采用AOMBR处理模拟高氨氮废水,研究了短程硝化反硝化的效果,试验表明:在DO为1.0mg/L~1.5mg/L,系统温度为28℃,pH控制在7.5到8.6之间,进水NH3-N在598.2mg/L~701.3mg/L时,能够迅速启动反应器,在其他工况稳定不变的条件下,探讨了pH、温度和DO等对系统短程硝化稳定运行的影响,并探讨了此过程的影响机理。整个实验过程中,pH和进水氨氮的浓度能够短暂的影响亚硝酸盐的积累,但是并不能长久的使之稳定运行。在形成短程硝化的过程中膜污染逐渐加剧,经过清洗之后膜通量并不能完全恢复。:短程硝化反硝化;生物脱氮;高氨氮废水:X703.1:AStudyonShort-cutNitrificationProcesswithMBRandItsFactorsunderHighAmmoninConcentrationConditionSunXingfan1,2,WenYibo2,ZhangYan1,ZhangXuan1,HuXiaohui1,ChenWeishan1(1.SchoolofEnvironmentalandMunicipalEngineering,LanzhouJiaotongUniversity,Lanzhou730070,China;2.BeijingSoundGroup,Beijing101102,China)Abstract:UsingAOMBRprocessingtosimulatethehighammonianitrogenwastewater,studiedtheshortcutnitrificationanddenitrification,TheresultsshowedthatundertheconditionofDOis1.0mg/L~1.5mg/L,thesystemtemperaturefor28℃,pHin7.5to8.6,enterswaterNH3-Nwhen598.2~701.3mg/L,couldstartthereactorrapidly,Inotherconditionsremainun-changed,ResearchedthepH,temperatureandDOonnitrificationandstableoperationofthesystem,andfoundedtheimpactofthisprocessmechanism.Throughoutthecourseoftheexperiment,pHandtheconcentrationofthehighammonianitrogenwastewatertoshortcutnitrificationimpactontheaccumulationofnitrite,butcannotmakelong-termstableoperation.Intheprocessoftheexperiment,themembranefoulingraduallyintensify,aftercleaningmembranefluxcannotbefullyrestored.Keywords:shortcutnitrification-denitrification;biologicalnitrogenremoval;highammonia,,,,,[1-2],Voets[3]NO-2-N,,。MBR,,。1 1.1 (1)1. 2. 3. 4.5. 6.pH 7. 8.9. 10. 11.12. 13. 14.1 A/OMBR·106·34320093·MBRVol.34No.3Mar.200928Lh70L,200%,(PVDF),1m2,。,8min,2min。1.2 ,NH4CL,KH2PO4、CH3OH、,NaOHpH。。,,。1.3 :;COD:;DO:;pH:;MLSS:;:N-(1-)-;:[4]。2 2.1 pHpH:pH;pH,[5]。pH,pH。pH,pH7.0~7.8,pH7.7~8.1[6]。Balmelle、Shammas[7],pH7.5~9.0,pH8.0~8.5,pH6.5pH9.850%,pH5.5,。,pH,Groeneweg[8]pH,pH6.0~7.0。28℃、DO1.0mg/L~1.5mg/L、NH3-N598.2mg/L~701.3mg/L,:pH7.5~8.6,,85%,91.5%,88.6%。,pH95%,99.3%,98.1%,pH7.0,50%,,90%。pH6.5,,70.9%,6.6%,,,。pH9.0,,,pH7.5~8.6。2.2 ,,。,,,。[9],DO0.5mg/L~1.0mg/L,,,,。:,;,,。DO,28℃,pH7.5~8.6,NH3-N=598.2mg/L~701.3mg/L,,DO。2:2 DO、2,DO,。DO。DO1.0mg/L,97.3%,·107·34320093·MBRVol.34No.3Mar.2009NH3-N=598.2mg/L~701.3mg/L,8.24mg/L。DO1.0mg/L~1.5mg/L,,。2.3 、。[10]4℃~45℃,20℃~30℃,15℃。30℃HNO2。,25℃,,。DO1.0mg/L~1.5mg/L,pH7.5~8.6,1:1 T(℃)(mg/L)(%)(%)24657.2313.897.984.126663.7510.6298.485.728650.4714.3197.892.130698.5612.5798.288.732687.346.1999.193.52.4 ,,;(),,。(),,。3 (1)A/OMBR,,DO(1.0mg/L~1.5mg/L)、pH(7.5~8.6)(28℃)。(2),,,。(3)pH,。:[1]RuizG,JeisonD,ChamyR.Nitrificationwithhighni-triteaccumulationforthetreatmentofwastewaterwithhigham-moniaconcentration[J].Wat.Res,2003,37(6):1371-1377.[2]袁林江,王志盈,彭党聪,等.生物流化床内亚硝酸积累试验[J].中国环境科学,2000,20(3):207-210.[3]VoetsJP,etal.Removalofnitrogenfromhighlyni-trogenouswastewater[J].JWPCF,1975,47:394-398.[4]国家环保局水和废水监测分析方法编委会.水和废水监测分析方法[M].第四版.北京:中国环境科学出版社,2002.[5]涂保华,张洁,张雁秋.影响短程硝化反硝化的因素[J].工业安全与环保,2004,30(1):12-14.[6]郝一琴,等.太原生活垃圾渗滤液检测、处理的研究报告[J].环境卫生工程,1995(2):3-6.[7]HayesE,etal.On-linenitrificationinhibitionmonito-ringusingimmobilizesbacteria.Wat.Sci.Tech[J].1998,37(12):193-196.[8]GroenewegJ,SellnerB,TappeW.AmmoniaoxidationinnitrosomonasatNH3concentrationsnearkm:effectsofpHandtemperature[J].WatRes,1994,28(12):2561-2566.[9]王志盈,刘超翔,彭党聪,等.高氨浓度下生物流化床内亚硝化过程的选择特性研究[J].西安建筑科技大学学报,2000,32(1):1-7.[10]袁林江,周吉林.生物脱氮新技术研究进展[J].环境污染治理技术与设备,2000,1(6):11-18.(上接第114页)  :[1]唐受印,汪大翚.废水处理工程[M].北京:化学工业出版社,1998:98-123.[2]陈国成.重金属废水处理化学[M].台湾:茂昌图书有限公司,1981:42-78.[3]沈耀良,王宝贞.废水生物处理新技术理论与应用[M].北京:中国环境科学出版社,1999:52-71.[4]王家玲.环境微生物学[M].北京:高等教育出版社,1998:21-32.[5]顾夏声.废水生物处理数学模式[M].北京:清华大学出版社,1993:64-69.[6]戚以政,王叔雄.生化反应动力学与反应器(第二版)[M].北京:化学工业出版社,1999:53-89.·108·

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