不同操作模式对移动床生物膜反应器脱氮除磷效果的影响郭海燕

　62　4　　　　　　　　　　　　Vol.62　No.4　20114　　CIESC　Journal　　　April　2011郭海燕1,2,周集体2,郭　帧1,张寿通1,冯腾腾1(1,116028;2,116024):(CMBBR)、[SBMBBR(O)]/[SBMBBR(A/O)]3(MBBR)。,3COD,TN、TP。SBMBBR(O)DO,CMBBR(SND),74%。SBMBBR(A/O),,SBMBBR(O),,88%89%,,TN、SND,TP。:;;;;:X703.1　　　　　　:A:0438-1157(2011)04-1110-07EffectofoperationmodeonnitrogenandphosphorusremovalinmovingbedbiofilmreactorGUOHaiyan1,2,ZHOUJiti2,GUOZhen1,ZHANGShoutong1,FENGTengteng1(1CollegeofEnvironmentalandChemicalEngineering,DalianJiaotongUniversity,Dalian116028,Liaoning,China;2CollegeofEnvironmentalandBiologicalScience,DalianUniversityofTechnology,Dalian116024,Liaoning,China)Abstract:Syntheticwastewaterwastreatedinamovingbedbiofilmreactor(MBBR)usingdifferentoperationmodes,namely,continuousoxicoperationmode(CMBBR),singlestageoxicsequencingbatchoperationmode[SBMBBR(O)]andanaerobic/oxicsequencingbatchoperationmode[SBMBBR(A/O)].TheexperimentalresultsindicatedthattheremovalofCODwassimilarforthethreeoperationmodes,whilethatofTNandTPwasquitedifferent.ComparedwithCMBBR,SBMBBR(O)operationmodewasmorefavorablefortheprocessofsimultaneousnitrificationanddenitrification(SND)duetocyclicalchangeofDOconcentrationinsingleperiodofoperationandTNremovalefficiencyof74%wasachieved.ForSBMBBR(A/O)operationmode,organiccarbonininfluentcouldbeeffectivelyutilizedbypoly-phosphate-accumulatingorganismsanddenitrifiers,TNandTPcouldberemovedsimultaneouslyandtheirefficiencieswere88%and89%respectively,whichindicatedthatTNremovalefficiencywasbetterforSBMBBR(A/O)thanSBMBBR(O).RemovalofTNwasaccomplishedbyanoxicdenitrificationduringthefillingandmixingstage,SNDanddenitrifyingphosphorusremovalinaerobicstage,whileremovalof　　2010-09-25,2010-12-08。:(1977—),,,。:(50908028);(2009A124)。　　　　　Receiveddate:2010-09-25.Correspondingauthor:Dr.GUOHaiyan,[e-mail]:supportedbytheNationalNaturalScienceFoundationofChina(50908028)andtheScientificResearchFoundationoftheEducationDepartmentofLiaoningProvince(2009A124).　TPwasrealizedthroughconventionalphosphorusremovalanddenitrifyingphosphorusremovalprocesses.Keywords:wastewatertreatment;movingbedbiofilmreactor;operationmode;nitrogenandphosphorusremoval;simultaneousnitrificationanddenitrification　(MBBR)2080。,,。,MBBR,、,、,、、、。,MBBR,MBBR,。MBBR。,。,,。(SND),。MBBR,DOSND[1-5]。MBBR,SND,[6-9],/,。、/3MBBR,MBBR,MBBR,。1　1.1　、、、、、。,1,500mm,160mm,10L。,,;,;,;,;、、,、、、。,50%。,7mm,10mm,84%,1100m2·m-3。1　Fig.1　Experimentalsetup　3,。(1)(CMBBR)。,7.2L·L-1·h-1,12h。。·1111·　4　　:(2)[SBMBBR(O)]。8h,:10min※390min※40min※10min※30min。5L。(3)/[SBMBBR(A/O)]。8h,:10min※120min※300min※30min※10min※30min。5L。1.2　,、NH4Cl、、KH2PO4,:MgSO450mg·L-1,MnSO45mg·L-1,FeSO42.2mg·L-1,KCl7mg·L-1,CaCl23.8mg·L-1,NaHCO3840mg·L-1,NH4Cl160～320mg·L-1,KH2PO480mg·L-1,200～400mg·L-1。《》[10]:NH+4-N,NO-3-N,NO-2-NN-(1-)-,,COD,TP。DO(HANNAHI9147,),ORP、pH/(HI8424NEW,)。,TNNH+4-N,,TNNH+4-N、NO-3-NNO-2-N。2　2.1　。,2000mg·L-1。COD150mg·L-1,COD∶N∶P=100∶10∶5。24h,,24h。、,,、。1～2mm,COD、NH+4-N80%50%,。2.2　CMBBRCMBBRCOD2。2(a),COD,150mg·L-1300mg·L-1450mg·L-1,,COD,0～100mg·L-1,COD60%～98%。COD,,,,CODCOD。2(b),NH+4-N20～50mg·L-1,NH+4-N0～10mg·L-1,86%;,NO-3-N20mg·L-15mg·L-1,NO-2-N3mg·L-1,78%,TN60%。2　CMBBRCODFig.2　VariationofCODandnitrogenremovalofreactorunderCMBBRoperationmode,,DO,,[11-15]。,CMBBR·1112·　　　　　62　DO4.5～5.5mg·L-1,TN。,,,,2～3mm。,,,,。MBBR,DO,、,,SND。3　SBMBBR(O)CODFig.3　VariationofCODandnitrogenremovalofreactorunderSBMBBR(O)operationmode2.3　SBMBBR(O)SBMBBR(O)、COD3。3(a),,COD300～450mg·L-1,COD30mg·L-1。CMBBR,,。3(b),NH+4-N35～50mg·L-1,NH+4-NNO-3-N2mg·L-17mg·L-1,NO-2-N0.2mg·L-1,TN74%。NH+4-N80mg·L-1NH+4-N28mg·L-1,18mg·L-1。,NO-3-N,NO-2-N2mg·L-1,TN65%。4　SBMBBR(O)Fig.4　TypicalprofileofparametersinacycleofreactorunderSBMBBR(O)operationmode50,4。4(a),,NH+4-N,NH+4-N2h49mg·L-128mg·L-1,3h18mg·L-1,5hNH+4-N31mg·L-1。NH+4-N,NO-2-N2mg·L-1,NO-3-N,5hNO-3-N10mg·L-1。,·1113·　4　　:TN50mg·L-1,TN29mg·L-1,,,21mg·L-1SND。4(b),DO3mg·L-1,,DO,6mg·L-1。、,1mgNH+4-N7.14mg(CaCO3),1mgNO-3-N3.57mg。,,482mg·L-1,pH,7.0～7.2。5　SBMBBR(A/O)Fig.5　VariationofnitrogenandphosphorusremovalofreactorunderSBMBBR(A/O)operationmode2.4　SBMBBR(A/O)SBMBBR(A/O),、TP5。5(a),NH+4-N120mg·L-1,159L·L-1·h-1,NO-3-N21mg·L-1,7.8L·L-1·h-1NO-3-N11mg·L-1。NH+4-N2mg·L-1,NO-2-N0.3mg·L-1。TN2088%。COD270～400mg·L-1,COD30mg·L-1()。,,SBMBBR(A/O),5(b),TP2mg·L-1,89%。6　SBMBBR(A/O)Fig.6　TypicalprofileofparametersinacycleofreactorunderSBMBBR(A/O)operationmodeSBMBBR(A/O),30,6。6(a),·1114·　　　　　62　,NH+4-N126mg·L-1,NH+4-N32mg·L-1。,NO-2-N。2hNH+4-N27mg·L-16mg·L-1,NO-2-N16mg·L-110mg·L-1,NO-3-N0.8mg·L-15mg·L-1,SND。6(b),。PO3-4-P20mg·L-1,0.3mg·L-1。COD,,,COD430mg·L-1265mg·L-1,PHB,COD33mg·L-1。,TN,TP,,NO-3-N。6(c),SBMBBR(A/O)DO0.5mg·L-1,。DO。2.5　,60%,。,,-,,,,。、。DO,,。/,,,SBMBBR(O),。3　　、/3MBBR。,3,TN、TP。,TN,60%;SND,74%;/,,,88%89%,TN、SND。References[1]　MenoudP,WongCH,RobinsonHA,etal.SimultaneousnitrificationanddenitrificationusingSIPORAXTMpacking[J].WaterScienceandTechnology,1999,40(4/5):153-160[2]　WangXuejiang(),XiaSiqing(),ChenLing(),ZhaoJianfu().EffectofDOonsimultaneousnitrificationanddenitrificationinMBBR[J].JournalofTongjiUniversity:NaturalScience(:),2006,34(4):515-517[3]　Ch