A2O生物同步脱氮除磷及其改良工艺进展张光明

第27卷　第6期2010年12月　　　黑龙江大学自然科学学报JOURNALOFNATURALSCIENCEOFHEILONGJIANGUNIVERSITY　Vol.27No.6December,2010　　　　　　A2/O张光明,　杜锋伟,　朱易春,　赵志伟(,150090)　:介绍了污水处理中传统的A2/O工艺,该工艺具有在消减COD的同时有效脱氮除磷的优势,因而得到广泛应用。同时,对该工艺固有的一些弊端进行了分析,针对工艺中三类主要微生物:硝化菌、反硝化菌、聚磷菌竞争碳源、世代生长时间不同、食荷比要求不同的内在矛盾,列举了一些针对硝酸盐干扰释磷,碳源不足影响反硝化等的解决措施,并阐述了当前脱氮除磷工艺的最新研究进展。:A2/O工艺;脱氮除磷;碳源;反硝化除磷菌;双污泥工艺:X703:A:1001-7011(2010)06-0739-05:2010-07-20:(2009ZX07424-005,2008ZX07317-02);(2006BAJ08B02):(1973-),,,,,:,E-mail:[e-mail]0　引　言,,《》(GB18918-2002)。、。A2/O,A2/O,。1　A2/O脱氮除磷工艺的特点,《》(GB50014-2006),A2/O,[1],1。,,A2/O,[2];,,[3];,,,SS[4]。2　A2/O脱氮除磷工艺弊端的一些解决措施A2/O,[2,4-5,7-13],:(PAO)UCT、MUCT,VIP;PAO、、PAO,A2/O、;DPB(),:A2N;,,DOI:10.13482/j.issn1001-7011.2010.06.009NRP。。2.1　1.UCTA2/O,MaralsUCT[10],2。UCT,,PAO。TKNCOD,,,,SRTPAO。UCTBOD5/TKNBOD5/TP。2.MUCTUCT,,MUCT[2],3。MUCT,,,,,,。MUCT,。3.MUCTMUCT,,。,MUCT[14],4。MUCT,,。,,,。A2/O,,。。4.VIPUCT,,,RandallVIP[14],5。VIP,,。,,,PAO。VIP·740·黑　龙　江　大　学　自　然　科　学　学　报　　　　　　　　第27卷　,,UCT,,。2.2　:(1)、、、、BOD/COD[5];(2),,,;(3),1/3,2/3,[6];(4)[3,6],A2/O。A2/O,,。,。,,。A2/O[3,6]。。1.A2/OA2/O6。A2/O,;,,、,;,,。,,。A2/O:,;,。2.A2/OA2/O(A2/O),,,A2/O,7。A2/O,,,、、,、,(UCT、VIP、A2/O、A/O、A2/O),,,,。2.3　PHB/,(PHB)O2NO3-N,,。:(1),50%COD[7];(2)PHB,30%[7];(3),;(4)。A2N,8[7]。,PHB,COD;,;,();3。A2N·741·第6期张光明等:A2/O生物同步脱氮除磷及其改良工艺进展:(1)PHBCODPHB,PHBDPB,“”;(2)A2N,。30%50%[8],;(3)DPB,[9]。A2N,;,[10-11];,[12]。2.4　NPR,,NRP[4],9。NPR[4,13]:,,,。,。,(BAF),,、SSTP。,。,。NPR:(1)NPR,。A2/O1/5～1/4,,;(2)NPR,。,,,。,,,SS;(3)NPR,,;(4)NPRA2/OBAF。,,,;(5)NPR,BAF,,。NPRSS100mg·L-1,60mg·L-1,[1]。,NPR,(7m3·d-1),(10000m3·d-1)。,NPR。3　结　语A2/O,,,。A2/O,。,,、、、、,。[1]　,.[J].(),2003,20(1):85-87.[2]　KUBAT.PhosphorusandnitrogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephosphatationandnitrificationinatwo-sludgesystem[J].WaterResearch,1996,30(7):1702-1710.[3]　　,,A2/O[J],,2000,16(7),71-75.[4]　.NPR[R].:(),2008.[5]　KUBAT,SMOLDERSG,LOOSDRECHTV,etal.Biologicalphosphorusremovalfromwastewaterbyanaerobic-anoxicsequencingbatchreactor[J].WatSciTech,1993,27(5-6):241-252.[6]　　./[J].,1997,13(3):16-20.[7]　　,　,,.[J].,2008,25(1):1-5.[8]　KUBAT,LOOSDRECHTM,HEIJNENJ.PhosphorusandnitrogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephos-phatationandnitrificationinatwo-sludgesystem[J].WatRes,1996,30(7):1702-1710.·742·黑　龙　江　大　学　自　然　科　学　学　报　　　　　　　　第27卷　[9]　NGWJ,ONGSL,HUJY.Denitrifyingphosphorusremovalbyanaerobic/anoxicsequencingbatchreactor[J].WatSciTech,2001,3(43):139-146.[10]　,[D].:,2003.[11]　,.A2N[J].,2006,37(2):23-26.[12]　BEUNJ,DIRCKSK,LOOSDRECHTMCM,etal.Poly-β-hydroxybutyratemetabolismindynamicallymixedmicrobialcultures[J].WaterResearch,2002,36(5):1167-1180.[13]　,.(NpR)[D].:,2007.[14]　TCHOBANOGLOUSG,BURTONF,STENSELHD.Wastewaterengineeringtreatmentandreuse[D].4thed.NewYork:MetcalfandEddy,Inc,2001.DevelopmentofA2/OprocessesforphosphorusandnitrogenremovalZHANGGuang-ming,　DUFeng-wei,　ZHUYi-chun,　ZHAOZhi-wei(SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China)Abstract:Theconventionalanaerobic-anoxic-aerobicwastewatertreatmentmethod(A2/O)isaprevailingprocessduetoitscapabilityofdegradingCOD,N,andPinoneprocess.Thecharacteristics,advantagesanddis-advantagesofA2/Omethodisanalysed.AndthedetailedanalysisoftheproblemsassociatedwiththeconventionalA2/Oprocess,especiallyintheaspectofnitrogenandphosphorusremovalisalsopresented.Thetypicalproblemsincludetheinherentshortcomingsinorganicloading,thecomplicatingdemandsforcarbonsourceandsludgereten-tiontimefornitrifyingbacteria,denitrifyingbacteriaandpoly-phosphateaccumulatingbacteria.Accordingly,va-riouscountermeasurescanbetakenandareanalyzedbrieflytosolvethenitrateinterferingwithphosphorusreleaseandthelackofcarbonsourcesfordenitrification.Thelatestprogressesinnitrogenandphosphorusremovalproces-sesbasedontheconventionalonesarealsosummarizedbriefly,especiallythetwo-sludgesystemandthoseutili-zingdenitrifyingphosphorusremovalbacteria.Keywords:A2/Oprocess;nitrogenandphosphorusremoval;carbonsource;denitrifyingphosphorusremovalbac-teria;two-sludgesystem(738)EffectofpHandhumicacidonremovalofleadbyhydrousmanganesedioxidecoagulationYANGWei1,2,　LIUDan2,3,　WANGXiao-yan4,　JANGLi-ming5,　LIGui-bai6,　RENNan-qi6(1.DepartmentofEnvironmentalEngineering,HarbinUniversityofCommerce,Harbin150076,China;2.ResearchCenteronLifeSciencesAndEnviron-mentalSciences,HarbinUniversityofCommerce,Harbin150076,China;3.EngineeringResearchCenterofNaturalAnticancerDrugs,MinistryofEduca-tion,Harbin150076,China;4.CenterLaboratory,HarbinEnvironmentalMonitoringCenterStation,Harbin150076,China;5.SchoolofFooodEngineer-ing,HarbinUniversityofCommerce,Harbin150076,China;6.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Har-bin150090,China)Abstract:TheremovalefficiencyofPb(Ⅱ)fromrawwaterwithhydrousmanganesedioxideproducedbyreductionofKMnO4werestudiedbycoagulationexperiments.TheeffectsofpHvalueandhumicacidofrawwateronremovalofPb(Ⅱ)wereinvestigatedandthepossiblemechanismwerediscussed.Theresultsshowedthatthehydrousman-ganesedioxidehadexcellenteffectofremovingPb(Ⅱ)fromrawwater.Ther