SBR法短程硝化反硝化生物脱氮工艺的研究高大文

SBR-高大文1　彭永臻1,2　潘　威1(1.,150090;2.,100022)　　,,,31±0.5℃,-,NO-2-NNOx-N90%。,CODNH3-N。,,,。　-　SBR　Thestudyofshortcutnitrification-denitrificationusingsequencingbatchreactorGaoDawen1　PengYongzhen1,2　PanWei1(1.SchoolofMunicipal&EnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090;2.SchoolofEnvironmentalandEnergyEngineering,BeijingPolytechnicUniversity,Beijing100022)Abstract　Theshortcutnitrification-denitrificationhasbeenperformedefficientlyandsteadilyinsoybeanwastewatertreatmentbycontrollingtemperature,andnitrosationrate(NO-2-NNOx-N)ismorethan90%.Thenewtechnologyovercomessomeproblemsinthetraditionalbiologicalnitrogenremoval.Theeffectofaerationtimeonnitri-ficationandtheresistimpactloadcapabilityofthetechnologywerestudied,too.Theresultsshowedthataerationtimeisakeyelementintheprocessofnitrification,andthetechnologypossessesstrongerresistimpactloadcapability.Keywords　shortcutnitrification-denitrification;SBR;biologicalnitrogenremoval:(50138010);(KZ200310005003):2002-11-25;:2002-11-30:(1967～),,,,。1　　,,。“”,,、。AO、A2O,。,,。,,(nitrosomonas)(NO-2),(nitrobacter)(NO-3)。,NO-3;-,NO-2,,1[1]。1　-　　,,-25%;40%;;;,46Vol.4,No.620036TechniquesandEquipmentforEnvironmentalPollutionControlJun.200330%—40%[1]。-,,。NO-2[2—6]。,(31±0.5℃),,,NO-2,-。2　2.1　,COD10000—15000mgL,pH3.5—5.0,NH+4-N25—75mgL。,,COD800—1000mgL,。2.2　SBR,700mm,300mm,38L。10mm,。。,,。,31±0.5℃。2。2.3　[7]。COD:;NH+3-N:;NO-2-N:N-(1-)-;NO-3-N:;MLSS:;pH:pHs-2C。3　3.1　,,,,,,,,,-,。。,,31±0.5℃,,,1mgL。,:※8h※2h※2h※1h※11h。2　SBR3.1.1　硝化污泥驯化过程中COD的去除情况0.6m3h,(MLSS)3000—4000mgL。COD3。3　、COD3,,COD100mgL,。,,,COD,COD,,COD。,COD,24COD。3.1.2　硝化污泥驯化过程中NH3-N的去除情况　　NH3-N4。4,,,,,。,,。,。4　、NH3-N5　NO-2-N、NO-3-NNO-2-NNOx-N3.1.3　硝化污泥驯化过程中亚硝酸盐的积累情况,,NO-2-NNOx-N50%,。NO-2-NNO-3-N,,5。5,15d,NO-2-N,,NO-3-N,1mgL。20d,NO-2-NNOx-N90%,。,,。:、pH、、、DO、。(30—40℃),,,。3.2　,8h。,。,;,,。,8h,NH3-N、NO-2-NNO-3-N(6)。6　NH3-N、NO-2-N、NO-3-N,(MLSS)3500mgL,COD850—900mgL,COD500mgL,NH3-N50—60mgL,8h,6。6,1h,NO-2-NNO-3-N,;,NO-2-N,。,NO-3-N,1mgL。400min,NH3-N,,,。400min,36:SBR-,,NH3-N。,,。3.3　,CODNH3-N,。,,,78。7　COD8　7,COD,COD,100mgL,。COD。8,20,3NH3-N,。NH3-N3NH3-N,,NH3-N,。,NH3-N,,NH3-N。,,NH3-N,。NH3-N,,,,,NH3-N,NH3-N,,,NH3-N。4　　(1)31±0.5℃,-,NO-2-NNOx-N90%,1mgL。(2),,;,。,,。(3),COD,COD;NH3-NNH3-N,,NH3-N,NH3-N。NH3-N,NH3-N。,,NH3-N。[1],..,2000,1(6):11—17[2]Joannasurmacz-Gorska,AndrzejCichon,KorneliuszMik-sch.Nitrogenremovalfromwastewaterwithhighammonianitrogenconcentrationviashorternitrificationanddenitrification.Wat.Sci.Tech.,1997,36(10):73—78[3]vanKempenR.,MulderJ.W.,UijterlindeC.A.etal.Over-view:FullscaleexperienceoftheSHARON★Rprocessfortreatmentofrejectionwaterofdigestedsludgedewatering.Wat.Sci.Tech.,2001,44(1):145—152[4]HellingaC.,SchellenA.A.J.C.,MulderJ.W.etal.TheSHARONprocess:Aninnovativemethodfornitrogenremovalfromammonium-richwastewater.Wat.Sci.Tech.,1998,37(9):135—142[5],..,2001,21(1):79—83[6],,.SMSBR.,2001,17(11):8—12[7]..:,1989(责任编辑:郑晓梅)44