复合膜生物流化床的污染物去除特性研究鲍依文

－C-MFB、。MBR、、[1]、、、、[2]。MFB[3]。、、、、。MBREPS[4]。。2－SS[5]。MBR、3。C-MFB。11.1C-MFB1。350L。2170L。PP0.1～0.2μm320～350μm40～50μm22m2。0.270～0.830mm－210096、。。COD、NH4+-N96.8％、96.3％71.6％46.8％。。X703.1A1000-3770(2009)[e-mail][e-mail]35720097TECHNOLOGYOFWATERTREATMENTVol.35No.7Jul.,200983DOI:10.16796/j.cnki.1000-3770.2009.07.02710%。22①②。1Fig.1SchematicdiagramoftheexperimentalsystemHRT6h、3h5.8m·s-125:18～28℃。。1.5g·L-17.5g·L-1。。1.2。1。1.3、COD、NH4＋-N、TN、NO3--NTP、SSpH[6]。22.1COD2C-MFB2、COD。2CODCOD30mg·L-1。CODCOD。3C-MFB2、MBRMFB3COD。3C-MFBMFBCODMBR。051015708090100
/dCOD /%3(a)CODCOD/mg·L-1ρ（NH4+-N）/mg·L-1ρ（TN）/mg·L-1ρ（TP）/mg·L-1ρ（SS）/mg·L-1pH186.6～432.835.45～61.8837.34～71.623.58～7.9890～1807.2～7.9245.942.3352.676.847.41Table1Rawwaterquality051015050100150200250300350
/d

COD/mgL2(a)①COD/mgL
/d

2(b)②2C-MFBCODFig.2ThechangeofCODconcentrationwiththeprocessofrunninginC-MFB
35784。CODMFBC-MFBMBR。MFB、、。。MBRC-MFBMFBCODMBR。2.2NH4+-N4C-MFB2、NH4＋-N。4NH4＋-N45～60mg·L-1NH4＋-N3mg·L-1NH4＋-N2mg·L-1。NH4＋-NNH4＋-N。NH4＋-N。5C-MFB2、MBRMFB3NH4＋-N。3、3NH4＋-N。3(b)COD33CODFig.3ThecomparisonofCODremovaleffectamongthreedifferentsystems051015708090100COD
/%
/d4(b)②4C-MFBNH4＋-NFig.4ThechangeofNH4＋-NconcentrationwiththeprocessofrunninginC-MFB
/d??NH-N/mgL

05101580859095100NH-N
/% /d5(a)NH4+-N05101580859095100
/dNH-N/%5(b)NH4+-N53NH4+-NFig.5ThecomparisonofNH4＋-Nremovaleffectamongthreedifferentsystems4(a)①


/d??NH-N/mgL－85NH4＋-N5%NH4＋-N。5C-MFBMFBNH4＋-N。MFBC-MFB、NH4＋-NMBR。。70%[7]。。53NH4＋-N。NH4＋-NF/MDO。。2.3TN6C-MFB2、、TN。6TN54～64mg·L-1TN15mg·L-1。TNTN7.18%TN7%。C-MFBNH4＋-NTNTN。7C-MFB2、MBRMFB3TN。7C-MFBTNMFBMBR。。05101550556065707580TN
/% /d7(a)TN05101550556065707580
/dTN/%7(b)TN73TNFig.7ThecomparisonofTNremovaleffectamong3differentsystems051015010203040506070
/d??(TN)/mgL6(a)①051015010203040506070??(TN)/mgL
/d6(b)②6C-MFBTNFig.6ThechangeofTNconcentrationwiththeprocessofrunninginC-MFB35786STUDYONCHARACTERISTICSOFACOMPOUND-MEMBRANE-FLUIDIZEDBEDBIOREACTORFORCONTAMINANTSREMOVALBaoYiwen,WangShihe,MaJinxia(MunicipalEngineeringDepartment，DongnanUniversity,Nanjing210096,China)Abstract:Thebiologicalfluidizedbedandthebiologicalcontactoxidationwereintegratedintothemembranebioreactortogetmembrane-fluidizedbedbioreac-tor(C-MFB)whichadoptedtotreatthemunicipalwastewater.Theremovaleffectofthecontaminantsbythesystemandtheinfluenceofpaddingindif-ferentpositionsonitscontaminantsremovalcharacteristicswerestudied.TheresultsshowedthatC-MFBhadbetterremovaleffectinCOD,NH4+-NandTN,withtheaverageremovalrateof98.1%,96.3%and71.6%respectively.FortheremovalofTP,itseffectdecreasedwiththesystemrunningandtheaverageremovalratewasonly46.8%.ThepaddingmainlyincreasedtheremovaleffectofTN.Itshowedthatthesystemwiththepaddingbeneaththeinfluentpipeintheanoxicareahasbettertreatmenteffectbecauseoftheplentycarbonsourceandadvantagedanoxicenvironment.Keywords:Membranebioreactor;biologicalfluidizedbed;biologicalcontactoxidation;removalcharacteristics。MFBC-MFBTNNH4＋-NMFB。2.4TPTPC-MFBMBR[8]。TP5mg·L-120d10mg·L-1TP2.34mg·L-146.8%。TP10mg·L-12.66mg·L-1TP。3C-MFBCOD95%。NH4＋-N98%。TNMBR。COD、NH4＋-NTN。C-MFBTNMBRMFBCODNH4＋-NMBR。[1],.-[M].:,2002.[2],,.[J].,2001,20(3):5-9.[3],,.-[J].,2007,14(1):65-67.[4],,.EPSMBR[J].,2007,39(2):266-269.[5],,.[J].,2007,23(15):73-75.[6].[M].4.:,2002.88,211-285.[7],,.[J].,2003,27(2):191-195.[8]YoonSH,KimHS,ParkJK,etal.Influenceofimportantopera-tionalparametersonperformancesofamembranebiologicalbioreactor[J].WatSciTechnol.,2000,41(10/11):235-242.－!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!87