高盐高氮榨菜废水生物脱氮试验研究

,,,.[J].,2005,25(12):1636-1640ZHOUJian,ZENGChaoyin,LONGTengrui,etal.Studyonbiologicalnitrogenremovalinmustardtuberwastewaterwithhighsalinityandhighnitrogenconcentration[J].ActaScientiaeCircumstantiae,2005,25(12):1636-16401,3,1,1,211,40004521,310014:2005206207:2005208223:2005209201:,DOpHSBBR.,SBBR,,;,DOpH;110kgm-3d-10115kgm-3d-1DO5mgL-1pH720,(NaCl)2%CODCr3500mgL-1,TN530mgL-1,NH+42N150mgL-1,CODCr80mgL-1NH+42N3mgL-1TN16mgL-1,NH+42NTN98%96%:;;;:025322468(2005)1221636205:X703:AStudyonbiologicalnitrogenremovalinmustardtuberwastewaterwithhighsalinityandhighnitrogenconcentrationZHOUJian1,3,ZENGChaoyin1,LONGTengrui1,HUANGHoufu211KeyLaboratoryoftheThreeGorgesReservoirRegionpsEco2Environment,MinistryofEducation,ChongqingUniversity,Chongqing40004521TheArchitecturalDesign&ResearchInstituteZhejiangUniversityofTechnology,Hangzhou310014Received7July2005;receivedinrevisedform23August2005;accepted1September2005Abstract:Aimingatthehighsalinityandhighnitrogenofthewastewaterproducedinthemanufacturingprocessofmustardtuber,theinfluenceofthefactorssuchasorganicloadingrate(OLR),nitrogenloadingrate(NLR),DOandpHontheeffectofthenitrogenremovalofSBBRreactorintheconditionofhighsalinitywasstudied.TheresultsshowedthatifthehalophilicbacteriaselectedfrommustardtuberwastewaterwereinoculatedintheSBBRreactor,thereactorcouldgetabetteradaptabilitytothehighsalinity.Andbytheobservationofmicroscope,itwasfoundthattherewereagreatmanyoffilamentousorganismsproliferatingonthebiologicalfilm.Thereactorshadrelativelystrongsimultaneousnitrificationanddenitrificationcapacity,theinfluencesofOLR,NLR,DOandpHonthenitrogenremovalweresignificant.AndtheoperatingconditionswereOLR110kgm-3d-1,NLR0115kgm-3d-1,DO5mgL-1,pH7,T20.Underthiscondition,iftheinfluentsalinityofthewastewater(asNaCl)was2%,COD=3500mgL-1,TN=530mgL-1,NH+42N=150mgL-1,andtheeffluentqualitywillbeCOD80mgL-1,TN16mgL-1,NH+42N3mgL-1.NH+42NandTNremovalsrateswere98%and96%respectively.Keywords:mustardtuberwastewater;salinitywastewater;biologicalnitrogenremoval;simultaneousnitrificationanddenitrification(SND):(No.7986):(1964),,(),E2mail:[e-mail],Tel:[phone];3()Foundationitem:TheitemofscientificcommitteeofChongqing(No.7986)Biography:ZHOUJian(1964),female,Associateprofessor(Ph.D.),E2mail:[e-mail],Tel:[phone];3Correspondingauthor,,,NP,,.Campos(2002)3%(NaCl),;GuanghaoChen(2003)615gL-1;Dincer(2001)12d2512200512ActaScientiaeCircumstantiaeVol.25,No.12Dec.,20053%25d;(2003),1015%(0138%),.Nugul(1999)SBR,0103%012%(NaCl).,,,,.,350104t,,.,SBBR(sequencebiofilmbatchreactor),,(OLR)(NLR)DOpH,,.1(Materialsandmethods)111SBBR,14L,,30%,,1.2222.1(11;21;31;41DO;51pH;61DO;71pH;81;91;101)Fig.1Schematicdiagramofexperimentalequipment(11airpump;21airdiffuser;31fibrouscarrierpackage;41DOprobes;51pHprobes;61DOcontroller;71pHcontroller;81temperaturecontroller;91calefactiondevice;101timecontroller)112,1.1Table1Qualityofinfluentwastewater(NaCl)CODCrP(mgL-1)BOD5P(mgL-1)NH+42NP(mgL-1)TNP(mgL-1)PO3-42PP(mgL-1)pH210%215%35003001400100150105003020561501511311311,,,,110kgm-3d-1,DO5mgL-1,20,45d;012h,11h,014h,60,,.113124,,015,110,115,210kgm-3d-1,0108,0115,0124,0130kgm-3d-1,.11313DO4,DO3,4,5,6mgL-1,110kgm-3d-1,.11314pHpH4,pH615015,,pH,pH,pH.4,1%H2SO4NaOH,pH4,5,6,7,110kgm-3d-1,DO5mgL-1,.2(Results)21122.2,015210kgm-3d-1,97134%97183%,NH+42N736112:2Table2EffectofOLRoneffluentqualityandremovalratesP(kgm-3d-1)CODP(mgL-1)CODNH+42NP(mgL-1)NH+42NTNP(mgL-1)TN0157697183%1129912%191639613%1108097171%31098%161469619%1158597157%301080%1011488019%2109397134%70185218%1911286319%2Fig.2EffectofNLRonnitrificationratesanddenitrificationrates5218%9912%,TN6319%9619%.110kgm-3d-1,0115kgm-3d-1,11h,NH+42NTN;115kgm-3d-1,0124kgm-3d-1,NH+42NTN,.2,2,,NH+42N,NH+42N,TN,TN.:,1175gm-3h-1511gm-3h-1,0115kgm-3d-1,15gm-3h-1,0130kgm-3d-1,9175gm-3h-1.212DODO33.3DONH+42NTN,11h,DO3mgL-14mgL-1,NH+42N9720mgL-1,3DOTable3EffectofDOoneffluentnitrogenandremovalratesDOP(mgL-1)NH+42NP(mgL-1)NH+42NTNP(mgL-1)TN397153510%3661103019%420118616%9511382105%50169916%161409218%60199914%281029417%3DOFig.3EffectofDOonnitrificationratesanddenitrificationratesTN36695mgL-1,NH+42N35%86%,TN31%82%,;DO5mgL-16mgL-1,NH+42N016019mgL-1,TN1628mgL-1,TN97%95%,.4,DO,DO3mgL-15mgL-1,0165gm-3h-12191gm-3h-1,7151gm-3h-110168gm-3h-1.213pHpH445.4pH,4,pH7,NH+42NTN;pH6,NH+42N,TN11118mgL-1,TN76%.pH45,NH+42NTN.4pH,4,115h,pH8,pH715.5,pH,5,pH,1135gg-1h-12170gg-1h-1.pH7.8361254pHTable4EffectofpHoneffluentnitrogenandremovalratespHNH+42NP(mgL-1)NH+42NTNP(mgL-1)TN472105210%19610563101%529148014%15515270166%63199714%11118278190%70149917%1916496130%4pHFig.4ThecurveofpHchangesineveryreactor5pHFig.5EffectofinfluentpHonTTC2Dehydrogenaseactivity3(Discussion)311,110kgm-3d-10115kgm-3d-1,NH+42NTN9717%9619%,,,.1610gL-1,VSSPMLSS01730184,,(COD)010250110kgkg-1d-1,45d,,.,,TN,.,15gm-3h-1,VSS01024gg-1d-1,01060107gg-1d-1,,,SBBR,,,.115kgm-3d-1,0124kgm-3d-1,,110kgm-3d-10115kgm-3d-1,,NH+42N,,.312DODO3mgL-14mgL-1DO5mgL-16mgL-1,:,(FikretKargi,1998);,,DO,,,,,,,.DO5mgL-16mgL-1,DO6mgL-1,,DO5mgL-1,28138mgL-1,DO5mgL-116143mgL-1,DO,,,DO,,