MAPMBRFenton组合工艺处理发酵沼液的研究张德强

MAP/MBＲ/Fenton1222221．3004512．300457、MAP/MBＲ/Fenton。COD、NH3－N、TP2465～2650、2800～3356、87．7～107．1mg/LCOD、NH3－N、TP99．71%、98．22%、99．06%《》DB12/356—2008。MAPMBＲFentonX703C1000－4602201519－0080－04TreatmentofFermentedBiogasSlurrybyCombinedProcessofMAPMBＲandFentonZHANGDe-qiang1DUANLu-juan2WUZhi-guo2WANGChun-hu2CAOJing-guo2YANGZong-zheng21．TianjinQinganSpecialEquipmentＲesearchandDevelopmentCo．Ltd．Tianjin300451China2．SchoolofChemicalEngineeringandMaterialsTianjinUniversityofScienceandTechnologyTianjin300457ChinaAbstractDuetohighconcentrationsofammonianitrogenandorganicmatterinfermentedbiogasslurryacombinedprocessofMAPMBＲandFentonwasadoptedtotreatthefermentedbiogasslurryofchickenmanurefromachickenfarminBeijing．TheresultsshowedthatwhentheconcentrationsofCODNH3－NandTPintheinfluentwere2465to2650mg/L2800to3356mg/Land87．7to107．1mg/Lrespectivelytheircorrespondingaverageremovalrateswere99．71%98．22%and99．06%respec-tively．ThecombinedprocessofMAPMBＲandFentoniseffectiveandstableintreatmentoffermentedbiogasslurryofchickenmanure．TheeffluentqualitycouldmeetthesecondlevelcriteriaspecifiedintheIntegratedWastewaterDischargeStandardDB12/356－2008ofTi[e-mail]1。2。·08·3119201510CHINAWATEＲ＆WASTEWATEＲVol．31No．19Oct．2015、、、3。。MAP/MBＲ/Fenton。11.1pH8．55、NH3－N2800～3356mg/L、COD2465～2650mg/L、BOD5300mg/L、TP87．7～107．1mg/L、39．6mS/cm、56．5NTU、0．0316mg/L、2．951mg/L、0．125mg/L、0．166mg/L。NH3－NCODB/C=0．12＜0．2。。1.21。ＭＢＲFentonＦe2+Ｈ２Ｏ２1Fig．1FlowchartofcombinedprocessNa2HPO4·12H2OMgCl2·6H2ONH3－NTPCODMBＲMBＲFentonCO2H2O。1.31.3.1MAPNa2HPO4·12H2OMgCl2·6H2O。25%NaOHpHpH25%NaOHpH10minNH3－N、TPCOD。1.3.2。0．3L/h12．3LMBＲ6．5LMBＲ0．5m20．22μmMBＲ0．25L/min。HＲT=48h、SＲT=30d、MLSS=4000mg/LMBＲHＲT=24h、SＲT=18d、MLSS=5000mg/L。1.3.3FentonMBＲH2SO4pHFeSO4、H2O2NaOHpH10。COD、NH3－N。1.4pHpHCOD。22.1MAPMAP4pH、、pH=10．5nMg2+∶nNH+4∶nPO3－4=1．3∶1∶1．1300r/min15min10min。2。2NH3－N3050～3356mg/LMAPNH3－N700．5～743．1mg/L·18·．watergasheat．comMAP/MBＲ/Fenton311978．02%MAP。5nMg2+∶nNH+4∶nPO3－4=1．3∶1∶1．1、250r/min25min2043．94mg/L77．67mg/L96．2%。/(mg·Ｌ－１)3500047828078727010131619222528t/d/%76743000250020001500100050012MAPNH3－NFig．2ＲemovaleffectofNH3－NbyMAP2.2MAPMBＲ。MAPpH9．5～10pH7～830d。2.2.1CODCOD1775．6～1827．9mg/L1800．18mg/LCOD699．5～737．6mg/L718．8mg/L60．11%。、。NH3－N677．8～789．2mg/L743．35mg/LNH3－N312．5～378．9mg/L341．11mg/LNH3－N54．11%。。2.2.2MBＲ。MBＲCOD、NH3－N3。COD/(mg·Ｌ－１)8007006００5004００3001000３６70605040100９1２1５1８2１2４2７t/d/%200３０3020a.COD/(mg·Ｌ－１)４００３５０３００2５０２００１５０500３６９９９８９７９６９５９４９1２1５1８2１2４2７t/d/%1００３０b.ＮＨ３－Ｎ3MBＲFig．3ＲemovaleffectofCODandNH3－NbyMBＲ3a0～9dCOD315．5～364．1mg/L341．55mg/L52．52%10～25dCOD267．7～291．3mg/L279．35mg/L61．07%25dCOD。25dCODDO。3b0～11dNH3－N10mg/L12dNH3－N6．98mg/L97．99%。NH3－N。2.3Fenton/MBＲNH3－NTPCOD。Fenton·28·3119．watergasheat．com。nFe2+∶nH2O2=1∶10、=2h、pH=3、Fe2+=6mmol/L30d。FentonCOD287．18～323．16mg/L316．5mg/LFentonCOD56．1～62．5mg/L81．2%。FentonCOD。6FentonCODH2O260mmol/L、Fe2+6mmol/L、pH=2、2hCOD56．1%。31。1Tab．1PollutantsremovalbydifferentunitsNH3－NCODTP/mg·L－1/%/mg·L－1/%/mg·L－1/%pHMAP677．3～811．875．81725．5～1855．1302．33～3．1297．39．4～10．2312．5～378．953．8699．5～737．659．47．2～7．5MBＲ5．1～11．198．4267．7～291．361．7＜1．06．8～7．0Fenton＜6077．586～91MAPNH3－NTP75．8%97．3%COD30%。CODCOD59．4%。MBＲNH3－NTPCODFentonCOD。4MAP/MBＲ/FentonCOD、TPNH3－N2465～2650、87．7～107．1、2800～3356mg/LCOD、TPNH3－N56．1～62．5、＜1．06．98mg/LCOD、TPNH3－N99．71%、99．06%98．22%《》DB12/356—2008。。1MyintMTKhandanNNSpeeceＲE．Anaerobicfer-mentationofcattlemanuremodelingofhydrolysisandac-idogenesisJ．WaterＲes2007412323－332．2DiIaconiCPaganoMＲamadoriＲetal．Nitrogenre-coveryfromastabilizedmunicipallandfillleachateJ．BioresourTechnol201010161732－1736．3．D．2013．4．MAPJ．20143021110－113．5．－J．20102961111－1115．6．A－MBＲ－Fenton－J．201429472－77．1963－。[e-mail]2015－03－16·38·．watergasheat．comMAP/MBＲ/Fenton3119