SBRBAF工艺处理效能的试验研究邹英杰

3　9环境工程学报Vol.3,No.920099ChineseJournalofEnvironmentalEngineeringSep.2009SBR-BAF邹英杰　郑西来　许延营　杨仝锁(,266100)　　,。,———SBR-BAF,。,COD(BAF)、TP、NH+4-NTN96%、98%、93%84%,COD、TP、NH+4-NTN20、0.23、3.247.68mg/L,《》(GB18918-2002)A。　SBR-BAF　　　　X703.1　　　A　　　1673-9108(2009)09-1542-05StudyonefficiencyofSBR-BAFprocessZouYingjie　ZhengXilai　XuYanying　YangTongsuo(KeyLabofMarineEnvironmentalScienceandEcologyofMinistryofEducation,SchoolofEnvironmentalScienceandEngineering,OceanUniversityofChina,Qingdao266100,China)Abstract　Basedonthemechanismofbiologicalphosphorusandnitrogenremoval,thecollisiononmainlysubstrateandsludgeretentiontimeisgiven.Inordertosolvethisproblem,anewbiologicalprocess,SBR-BAFhybridprocessusedfordealingwithwastewaterwasdeveloped.Itwasappliedfordealingwithsimulateddomes-ticsewagetoverifytheefficiencyofthisprocess.Theexperimentalresultsshowthat,themeanremovalefficien-cyofCOD,TP,NH+4-NandTNis96%,98%,93%and84%,respectively.ThemeaneffluentconcentrationofCOD,TP,NH+4-NandTNis20,0.23,3.24and7.68mg/Lrespectively,whichmeanseveryindexcanmeetthefirstclass(A)ofDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant.Keywords　SBR-BAF;hybridprocess;phosphorousandnitrogenremoval;treatmentefficiency:(40572142):2008-11-07;:2008-11-23:(1982～),,,。E-mail:[e-mail]　　,(biologicalnutrientremoval,BNR),,。,,,、[1]NO-2[2],。,。[3](sequencingbatchreactor,SBR),、,COD,,;[4]SBR、。。BNR,,BNR,[5,6]。,BNR,/(anaerobic/oxicsequencingbatchre-actor,A/OSBR),[7],。　　,,[8,9]。,(biologicalaeratedfilter,9:SBR-BAFBAF),,,SS,。,SBR-BAF,SBR/、,。,BAF,,,TN。1　1.1　SBR-BAF1。,SBR(35L),SBR,BAF,、BAF。BAF60mm,1500mm,1200m。[10]。1　SBR-BAFFig.1　SchematicdiagramofSBR-BAFprocess1.2　,,1。1.3　,,15d,。1　Table1　Compositionofsyntheticmunicipalwastewater(mg/L)(mg/L)C6H12O6350～400(COD)FeCl3·7H2O1.5CH3COONa·3H2O100～110(COD)CuSO4·5H2O0.03NH4Cl46～53(N)ZnSO4·7H2O0.12KH2PO47～11(P)CoCl2·6H2O0.15MgSO4·7H2O5.6(Mg2+)MnCl2·2H2O0.12CaCl23.2(Ca2+)KI0.18NaHCO3602　2.1　SBR-BAF,,。2.1.1　SBR的启动,MLSS3500～4000mg/L,4,16h,0.47,12.8h,18±2℃。2。2　Table2　Durationofsludge-cultivatingstageinonecycle(min)(min)303090452101053030—150,,,。,,8d,,。12,2,/。122(NH+4、NO-2、NO-3、CODPO3-4)。12,45min,;,120min,154332　12NH+4、NO-2、NO-3、PO3-4CODFig.2　ProfilesofNH+4,NO-2,NO-3,PO3-4CODduring12thcycle;150min,PO3-4。,45min,105min。13,。2。8,203。NO-2NO-3,NH+438.60%,NH+4,/。,PO3-40.6mg/L,88%。3　20NH+4、PO3-4CODFig.3　OptimizationresultsofNH+4,PO3-4CODduring20thcycle,NH4Cl。,,NH+4-N。21d,25%。2.1.2　BAF的启动,,,,。BAF,NH+4-NTN45。4,,SBR,SBR(BAF)NH+4-N。13d16d,,NH+4-N。17d,NH+4-N,,,,。,BAF。5TN,TN,,,;16d18d,TN;,。,21d,SBRTP88%,BAFNH+4-N83%,TN71%,。　　15449:SBR-BAF2.2　,,40d。:SBR45min,105min,pH7.0～7.5,8～10d。,BAF,80mg/L(COD),BAF4∶1,200%,、3∶5。,20076151115SBR-BAF,。,SBRCOD2.08kgCOD/(kgMLSS·d),TP41.68gTP/(kgMLSS·d);BAFNH+4-N1.16kgNH+4-N/(m3·d),1.0m3/(m2·d),1.2h。18～27℃。2.2.1　CODSBR-BAFCOD6。COD457～541mg/L,SBR91%。,CODSBR,,BAF。BAF,,。BAF,SBR、,BAF,,COD13～27mg/L,96%()。6　SBR-BAFCODFig.6　CODremovalinSBR-BAFsystem2.2.2　TPSBR-BAFTP,TPSBR。7　SBR-BAFTPFig.7　TPremovalinSBR-BAFsystemSBR-BAFTP7。TP9.83～11.38mg/L,SBRTP0.19～0.97mg/L,95%;SBR-BAF0.09～0.41mg/L,98%。,8～10d;3,SBRNO-2NO-3,NH+438.60%,/,NO-2。2.2.3　NH+4-N和TNSBR-BAFNH+4-N8,SBRNH+4-N,21%,,SBR,NH+4-N。NH+4-NBAF,SBR-BAF1.98～4.87mg/L,93%。SBR,,BAF。NH+4-NBAF。8　SBR-BAFNH+4-NFig.8　NH+4-NremovalinSBR-BAFsystem15453　　SBR-BAFTNBAF,9。TN43.28～53.11mg/L,SBRTN40.00～47.43mg/L,SBR-BAFTN6.06～9.20mg/L,84%,:①200%;②DO,TN,4∶1;③,NO-2-N,NO-3-N,、3∶5,,TN;④BAF,TN。9　SBR-BAFTNFig.9　TNremovalinSBR-BAFsystem3　　(1)SBR-BAF,,SBR8d、,SBRBAF,。(2),,,。SBR,,45min、105min;BAFSBR-BAF,,21dSBR-BAF,TP、NH+4-NTN88%、83%71%。(3),SBR-BAFCOD(BAF)、TP、NH+4-NTN96%、98%、93%84%,COD、TP、NH+4-NTN20、0.23、3.247.68mg/L,《》(GB18918-2002)A。[1]LeeS.E.,KimK.S.,AhnJ.H.,etal.Comparisonofphosphorusremovalcharacteristicsbetweenvariousbiologi-calnutrientremovalprocesses.WaterScienceandTechnol-ogy,1997,36(12):61～68[2]SaitoT.,BrdjanovicD.,LoosdrechtM.C.M.V.Effectofnitriteonphosphateuptakebyphosphateaccumulationorganisms.WaterResearch,2004,38(17):3760～3768[3],,,..,2002,18(9):4～7[4],,.SBR.(),2007,30(3):125～127[5]AndreasenK.,SigvardsenL.Experienceswithsludgeset-tleabilityindifferentprocessalternativesfornutrimentre-moval.WaterScienceandTechnology,1996,33(12):137～146[6]EikelboomD.H.,AndreadakisA.,AndreasenK.SurveyoffilamentouspopulationsinnutrimentremovalplantsinfourEuropeancountries.WaterScienceandTechnology,1998,37(4～5):281～289[7]WildererP.A.,IrvineR.L.,Doellerer(eds).Sequen-cingbatchreactortechnology-batchapplicationofperiodicprocesses.WaterScienceandTechnology,1997,35(1):278[8],,,..,2000,16(12):1～5[9],,,./.,2005,31(12):41～45[10].(4).:,2002.200～2851546