分点进水高效除磷脱氮工艺理论及其应用李昂

　　　　　　　　　　　　　　　　　　　　　　　　　学报(自然科学版)20105May201031　3Vol.31　No.3　　　　　　JOURNALOFJIANGSUUNIVERSITY(NaturalScienceEdition)doi:10.3969/j.issn.1671-7775.2010.03.021李　昂1,2,张雁秋1,2,李　燕1,2,刁智俊1,2(1.,221116;2.,221116):在分点进水高效除磷脱氮工艺(ECOSUNIDE)中,以统一动力学为理论基础,对动力学方程进行了分析,并对分点进水高效除磷脱氮工艺进行了工程性试验.研究表明,分点进水高效除磷脱氮系统比另一组未改造的A2/O系统可多处理水量4500m3/d,具有明显的水量优势。在低温、低碳源条件下,分点进水高效除磷脱氮系统出水BOD,COD和氨氮质量浓度分别稳定在6,25和1.9mg/L左右,满足国家城镇污水处理厂污染物排放标准(GB18918—2002)一级A出水标准,其他指标稳定达到一级B出水标准。通过对分点进水高效除磷脱氮与A2/O系统内的活性污泥进行镜检分析比较,发现分点进水高效除磷脱氮系统内的活性污泥性状较好,生物相更丰富,污泥菌胶团颜色较深,较紧密,絮体边缘较清晰,丝状菌明显.:分点进水高效除磷脱氮工艺;统一动力学;硝化反硝化;除磷;活性污泥:X703.1　　:A　　:1671-7775(2010)03-0343-05:2009-09-15:(2004EC000132);(0P080307):　(1982—),,,([e-mail]),.(1956—),,,,([e-mail]),.TheoryofECOSUNIDEtechniqueanditspracticalapplicationLiAng1,2,ZhangYanqiu1,2,LiYan1,2,DiaoZhijun1,2(1.SchoolofEnvironmentScienceandSpatialInformatics,ChinaUniversityofMiningandTechnology,Xuzhou,Jiangsu221116,China;2.JiangsuKeyLaboratoryofResourceandEnvironmentalInformationEngineering,Xuzhou,Jiangsu221116,China)Abstract:BasedontheEcologicalSuperiorNitrificationDenitrification(ECOSUNIDE)techniqueandunifieddynamics,thedynamicequationandtheorywereanalyzed,andtheengineeringexperimentsonECOSUNIDEprocesswereconducted.TheresultsshowthatthetreatmentcapacityofECOSUNIDEsys-temis4500m3/dmorethanthatofA2/Osysteminthesameconditions.EffluentBOD,CODandNH3-Nareabout6,25and1.9mg/Lrespectivelyatlowtemperatureandcarbonsource.Theseinde-xesmeetwiththeClassI-Acriteriaspecifiedindischargestandardofpollutantsformunicipalwastewatertreatmentplant(GB18918—2002),theotherindexesmeetwiththeClassI-Bcriteria.Theactivatedsludgewasanalyzedandcompared,andtheresultsshowthatthecharacteristicsoftheactivatedsludgeareimproved,withricherbiologicalphases,darkerandcloserzoogloea,clearerflocsedges,andmoreobviousfilamentous.Keywords:ECOSUNIDE;unifieddynamics;nitrificationanddenitrification;phosphorusremoval;activatedsludge　　C,NP,,,[1-2].,、344　　()第31卷、.—,,[3-4].,,.,,,、、[5-11],,.,.,,,.,.—,.,—,,.Monod,,,..,,　　,,,.,,.(ECOSUNIDE),ECOSUNIDE,ECOSUNIDE,、A2/O.1　,,[12],,,v=dρXdt=kK+ρX+ρS-(K+ρX+ρS)2-4ρXρS2,(1)v,ρS;ρX;k;K─.,,(1).1　Tab.1　LimitedandsimplifiedformsofUnifiedDynamicEquationK※0EckenfelderρS/ρX,ρSρX1,ρS≥ρXBlackmanρS/ρX,ρSρX1,ρS≥ρX∞?ρS/(KZ+ρX+ρS)?ρS/(KZ+ρX+ρS)ρS※0?ρS/(KZ+ρX)?ρS/(KZ+ρX)∞Eckenfelder11ρX※0—ρS/(KZ+ρS)MonodρS/(KZ+ρS)∞McKinneyρS/ρX?ρS/ρX　　,8,MonodEcken-felder,McKinney,,,,,[13].2　,第3期　李　昂等:分点进水高效除磷脱氮工艺理论及其应用345　　,,[14].,,,.,,.,,,,,.,.,,.,,.(1)v,1.,,,1.1　Fig.1　Specificgrowthrateoforganismsindifferentsludge3　ECOSUNIDE,、,,.ECOSUNIDE(2),,,,、、、,.,,.,,.:①,.②,;,.③3～5,.④.2　ECOSUNIDEFig.2　ProcessflowofECOSUNIDE,ECOSUNIDE,[14],、,,,.,、,COD50mg/L,BOD10mg/L,3mg/L,《》(GB18918—2002)A,B.4　ECOSUNIDE,ECOSUNIDE,A2/O,5×104m3/d,20580m3,9.8h(1.4h,2.1h,6.3h).(3),5.1,2-4,5,530%,20%,20%,20%10%.,,.3　Fig.3　Planelayoutandinfluentmode346　　()第31卷,ECOSUNIDEA2/O.ECOSUNIDE,6000mg/L,A2/O,,,、、、,,.,A2/O,ECOSUNIDEBOD,CODA(2),A2/O.ECOSUNIDE,41481m3/d,59407m3/d,50032m3/d,,A2/O45466m3/d,ECOSUNDIDE.(14.3℃),A2/O,.,ECOSUNIDEA2/O,680mg/L,ECOSUNIDE.2　ECOSUNIDETab.2　InfluentandeffluentqualityanalysisinECOSUNIDEsystemρ(BOD)/(mg/L)ρ(COD)/(mg/L)ρ(SS)/(mg/L)ρ()/(mg/L)ρ()/(mg/L)ρ()/(mg/L)1419469494752246.54.469.518.67.61.373327711130334.30.339.913.53.80.41126358252661040.61.948.915.85.10.9192525252525B/d192524252518B/%1001009610010072A/d1925162582A/%10010064100328　　ECOSUNIDEA2/O(4),,.,,,;A2/O,,.,ECOSUNIDE,,,,,,.4　ECOSUNIDEA2/OFig.4　ComparisononsludgecharacterinECOSUNIDEandA2/Osystem5　　,,.,.ECOSUNIDE,,,、,、、,,.,ECOSUNIDEA2/O,、、、、、,BOD,COD,NH3-NA,A2/O.A2/O,ECOSUNIDE,,,,,,.(References)[1]　,　,.[J].:,2008,29第3期　李　昂等:分点进水高效除磷脱氮工艺理论及其应用347　　(1):74-77.WuChundu,ZhangBo,LiHaiyan.Biofilmcharacteris-ticsinbiologicalcontactoxidationpacking[J].JournalofJiangsuUniversity:NaturalScienceEdition,2008,29(1):74-77.(inChinese)[2]　,,　.[J].:,2003,24(3):40-44.LiuDongni,ChenJianbo,ZhengMing.Researchanddevelopmentofsemiconductorphotocatalyticoxidationtechnique[J].JournalofJiangsuUniversity:NaturalScienceEdition,2003,24(3):40-44.(inChinese)[3]　FuZhimin,YangFenglin,ZhouFeifei,etal.ControlofCOD/Nratiofornutrientremovalinamodifiedmem-branebioreactor(MBR)treatinghighstrengthwastewater[J].BioresourceTechnology,2009,100:136-141.[4]　ZhangZY,ZhouJT,WangJ,etal.Integrationofni-trificationanddenitrifyingdephosphatationinairliftloopsequencingbatchbiofilmreactor[J].ProcessBiochemis-try,2006,41(3):599-608.[5]　ChiuYC,LeeLL,ChangCN,etal.Controlofcar-bonandammoniumratioforsimultaneousnitrificationanddenitrificationinasequencingbatchbioreactor[J].InternationalBiodeteriorationBiodegradation,2007,59:1-7.[6]　DanielLMC,PozziE,ForestiE,etal.Removalofammoniumviasimultaneousnitrification-denitrificationnitrite-shortcutinasinglepacked-bedbatchreactor[J].BioresourceTechnology,2009,100:1100-1107.[7]　ChamchoiN,NitisoravutS,SchmidtJE.InactivationofANAMMOXcommunitiesunderconcurrentoperationofanaerobicammoniumoxidation(ANAMMOX)anddeni-trification[J].BioresourceTechnology,2008,99:3331-3336.[8]　BernatK,Wojnowska-BarylaI,DobrzyskaA.Denitri-ficat