UASBB两段接触氧化处理规模化猪场废水的中试研究邹义龙

812Vol．8No．12201412ChineseJournalofEnvironmentalEngineeringDec．2014UASBB-111*2311．3300472．3300293．330031UASBB-BCO。227dUASBBBCO45dBCODO1．4～1．8mg/LNO－2-NUASBBBCOBCONO－2-N300%COD2．81kg/m3·d、、COD94．7%、93%96．9%TN0．487kg/m3·d84．1%、82．8%84．7%NH+4-N0．293kg/m3·d92%、92．9%88．5%《》GB18596-2001。X713A1673-9108201412-5141-06PilotstudyonprocessofUASBB-twostagebiologicalcontactoxidationforlargescaleswinewastewatertreatmentZouYilong1WanLi1WanJinbao1WuYongming2GuPing3LiShuang11．KeyLabofPoyangLakeEnvironmentandＲesourceUtilizationMinistryofEducationCollegeofEnvironmentalandChemicalEngineeringNanchangUniversityNanchang330047China2．ＲesearchInstituteofEnergyＲesourcesJiangxiAcademyofSciencesNanchang330029China3．CollegeofCivilEngineeringandArchitectureNanchangUniversityNanchang330031ChinaAbstractUpflowanaerobicsludgebedbiofilmreactorUASBB-twostagebiologicalcontactoxidationBCOprocesswasappliedtotreatthelargescaleswinewastewaterinthepilotscaletests．After227daysrun-ningtheresultsshowedthattheanaerobicammoniumoxidationmethanogensisanddenitrificationweresuccess-fullyrealizedintheUASBBreactor．BycontrollingthefirststageBCOpooldissolvedoxygenat1．4～1．8mg/LandtwostagesBCOhungmembranefor45daystheshortcutnitrificationtoaccumulateNO－2-NwasachievedcoupledUASBBwithtwostageBCOandreturnedNO－2-NofthefirststageBCOtoUASBBthebestexternalre-fluxratiowasdeterminedas300%．WhenCODloadedupto2．81kg/m3·dthepilotsystemfortheaverageremovalefficiencyofCODinsecondaryhogpenbiogasslurryprimaryhogpenbiogasslurryandrawwastewaterreached94．7%93%and96．9%respectivelywhenTNloadedupto0．487kg/m3·dtheremovaleffi-ciencyreached84．1%82．8%and84．7%respectivelywhenNH+4-Nloadedupto0．293kg/m3·dtheremovalefficiencyreached92%92．9%and88．5%respectivelytheeffluentqualitycouldmeetthedis-chargestandardofpollutantsforlivestockandpoultrybreedingGB18596-2001．KeywordsUASBBtwostageBCOswinewastewaternitrogenremoval“”2007BAB23C022013－11－052014－01－031988—。[e-mail]*[e-mail]1-3C/NNH+4-N4。56。UASBLettinga720870UASBUASBBUASBBBCOBCONO－2-NUASBB。11．11。、。pH7～8．5COD500～1000mg/LNH+4-N190～260mg/LTN300～460mg/LTP11～24mg/LpH7～8．5COD700～1500mg/LNH+4-N220～280mg/LTN300～510mg/LTP11～24mg/LpH6．5～8．5COD2000～6000mg/LNH+4-N250～600mg/LTN400～1100mg/LTP15～30mg/L。1．2UASBB-BCO1。UASBB2m7．5m20m3×150mm×60mm75kg/m3BCO4m×2．5m×2m15m3UASBBBCO4m×3m×3m30m3。BCOФ150mm。1UASBB-BCOFig．1PilotcombinedUASBB-twostageBCOprocessforpiggerywastewatertreatment1．3UASBBA/O、IOC。BCO41。14Table1SomephysicalandchemicalcharacteristicsofthefourseedingsludgesSSg/LVSSg/LVSS/SSmm29．318．70．64—20．114．50．72—31．218．10．581～330．623．10．75—1．4COD8NH+4-N8NO－2-NN-1--8NO－3-N8TN8pHPB-10DOsension8SS、VSS8。22．1UASBBUASBB36～62dUASBB。UASBB31～35℃9UASBB、。10UASBB105d0．831kg/m3·dCOD85%UASBB。UASBBBCO。pH7．3～8．3、、、227dCOD、NH+4-N、NO－2-NTN80%～90%、39%～51%、70%～86%44%～59%。NH+4-NUASBB1112。241512UASBB-2．2BCOBCOMLVSS1．5kg/m324～48hCOD。、、COD100mg/L。45dCODNH+4-N95%85%。BCOUASBB、pH。UASBB30℃pH7．5～8．5。BCO。2200mL/minBCO1．4～1．8mg/L13。2NO－2-NFig．2Influenceofoxygenonnitritenitrogenconcentration2．3BCOCOD、NH+4-N100%、200%、300%、400%500%。11d。34CODNH+4-N。300%、400%、500%。300%BCONO－2-N17～39mg/LUAS-BBNO－2-N14300%UASBBBCO。3CODFig．3ＲemovalrateofCOD4NH+4-NFig．4ＲemovalrateofNH+4-N300%CODNH+4-NCOD300mg/L1200mg/L、NH+4-N40mg/L220mg/L300%。570d5～7。5UASBBNH+4-N5%～33%10%～20%NH+4-NUASBBUASBBNO－2-N。NH+4-N。BCOCODNH+4-N800mg/L120mg/LBCONO－2-NNH+4-N15。CODCODNH+4-N95%341585300%NH+4-NFig．5ＲemovalrateofNH+4-Nat300%refluxratio6300%CODFig．6ＲemovalrateofCODat300%refluxratio7300%Fig．7Accumulationofnitrogenat300%refluxratio6。CODUASBBCODUASBBCODCODCOD。2．4。、。8～12。8CODFig．8ＲemovalrateofCODintheprocess9NH+4-NFig．9ＲemovalrateofNH+4-Nintheprocess10TNFig．10ＲemovalrateofTNintheprocess441512UASBB-11UASBBBCOFig．11ConcentrationofNO－2-NinUASBBandfirst-stageBCO12UASBBNH+4-NFig．12ＲemovalrateofNH+4-NinUASBBCOD2．81kg/m3·d、、COD94．7%、93%、96．9%NH+4-N0．293kg/m3·d92%、92．9%、88．5%TN0．487kg/m3·d84．1%、82．8%、84．7%TN。UASBBNH+4-N10%～60%30%～40%12BCONO－2-NNH+4-NUASBBNH+4-N。33．1NO－2-N16。6CODUASBBCOD17BCOUASBBNO－2-N。3．2NH+4-N、9、11NH+4-NBCONO－2-NNH+4-N210mg/LBCONO－2-NUASBB71．6%90．9%。NO－2-NUASBBNO－2-NUASBB18。41UASBBBCOBCONO－2-NUASBBNO－2-N300%。2COD2．81kg/m3·d、、COD94．7%、93%96．9%TN0．487kg/m3·d84．1%、82．8%84．7%NH+4-N0．293kg/m3·d92%、92．9%88．5%。《》GB18596-2001。3-。1KeriB．C．KennethC．S．PatrickG．H．etal．Bioen-ergyfromcoastalbermudagrassreceivingsubsurfacedripir-rigationwithadvance-treatedswinewastewater．BioresourceTechnology2009100133285-32922WhangL．M．ChienI．C．YuanS．L．etal．Nitrifyingcommunitystructuresandnitrificationperformanceoffull-scalemunicipalandswinewastewatertreatmentplants．Chemosphere2009752234-242541583．．200820619-21YangC．H．ZengG．M．ChenX．C．etal．Studyonthedisposaltechnologyofpiggerywastewater．Environmen-talEngineering200820619-21inChinese4ZhangZ．J．ZhuJ．KingJ．etal．Atwo-stepfedSBＲfortreatingswinemanure．ProcessBiochemistry2006414892-9005ＲoyC．S．TalbotG．ToppE．etal．Bacterialcommunitydynamicsinananaerobicplug-flowtypebioreactortreatingswinemanure．WaterＲesearch200943121-326．-SBＲ．200319516-19LiangS．W．WangW．ChenJ．X．etal．Hybridan-aerobicreactor-SBＲprocessfortre