不同工况下膜SBR工艺的除污效能研究李艳芬

—SBR李艳芬1,　张传义1,　张雁秋1,　肖　宁2,　王　晓1(1.中国矿业大学环境与测绘学院,江苏徐州221008;2.德州联合润通水务有限公司,山东德州253000)　　　:　将一体式膜生物反应器与序批式活性污泥法相结合而构建了M-SBR工艺。采用该工艺处理模拟生活污水,通过调节反应器的厌氧、好氧和缺氧时间比例,使系统分别按照AO-MSBR和AOA-MSBR的方式运行,考察了在相同操作条件下,系统对COD、氮、磷的去除效果。试验结果表明:AOA-MSBR工艺比AO-MSBR工艺具有更好的同步脱氮除磷效果,其对COD的平均去除率达到了98.5%,对氨氮的平均去除率达到了90.3%,对总氮的平均去除率达到了89.5%,对总磷的平均去除率为88.5%。　　:　膜—序批式生物反应器;　脱氮除磷;　反硝化除磷:X703.1　　:A　　:1000-4602(2008)13-0014-04PollutantsRemovalPerformanceofMembrane/SequencingBatchReactorunderDifferentCoditionsLIYan-fen1,　ZHANGChuan-yi1,　ZHANGYan-qiu1,　XIAONing2,　WANGXiao1(1.SchoolofEnvironmentandSpatialInformatics,ChinaUniversityofMiningandTechnology,Xuzhou221008,China;2.AssociationRuntongWaterAffairsCo.Ltd.inDezhou,Dezhou253000,China)　　Abstract:　Thecombinedprocessofintegratedmembranebioreactorandsequencingbatchsludgeprocesswasadoptedtotreatsimulateddomesticwastewater.Throughadjustingtimeoftheanaerobic,aer-obicandanoxicstages,thesystemiscapableofoperatinginAO-MSBRandAOA-MSBRmodesrespec-tively.TheremovalefficienciesofCOD,nitrogen,phosphorusunderthesameoperationconditionswereinvestigated.TheresultsindicatethattheAOA-MSBRexceedstheAO-MSBRinsimultaneousnitrogenandphosphorusremoval.TheremovalefficienciesofCOD,NH3-N,TNandTPbytheAOA-MSBRare98.5%,90.3%,89.5%and88.5%respectively.　　Keywords:　membrane/sequencingbatchreactor(M-SBR);　nitrogenandphosphorusremoval;denitrifyingphosphorusremoval　　—(M-SBR)(SBR),SBR、、、[1],SBR,SBR。M-SBR,、。(MBR),,AO-MSBRAOA-MSBR。1　试验材料与方法1.1　(1),·14·24　1320087　　　　　　　　　　　　CHINAWATERWASTEWATER　　　　　　　　　　　　　Vol.24No.13Jul.200812L,,,,。,。,,,,。,(10min、2min)[2]。0.2μm,0.2m2。1　Fig.1　SchematicdiagramofM-SBR1.2　(1),,,。1　Tab.1　RawwastewaterqualityCOD/(mg·L-1)/(mg·L-1)/(mg·L-1)/(mg·L-1)pH400～70016.5～28.021.2～47.01.60～7.857.5～8.51.3　2。2　Tab.2　OperationwayofreactorhAO-MSBR111221.50.52AOA-MSBR310.50.52　　、,AO-MSBRAOA-MSBR,///,+、,。(SRT),。1.4　COD、NH3-N、TN、TP,DOYSI,pHPHS-3C。2　结果与讨论2.1　COD2。2　M-SBRCODFig.2　CODremovalefficiencyinM-SBR2,COD。COD,COD93%。COD,COD40.06～91.02mg/L,COD5.03～33.11mg/L。,,、,,。2,COD,,。,COD。2.2　2.2.1　3。3,1AO-MSBRNH3-N99%,·15·:—SBR24　13NH3-N0.031～0.042kg/(m3·d),NH3-N,。NH3-N,NH3-N,NH3-N,NH3-N,。M-SBR,,,,0.3mg/L。3　M-SBRNH3-NFig.3　NH3-NremovalefficiencyinM-SBR2AO-MSBRNH3-N95.8%,NH3-N0.90mg/L,1NH3-N,,,,,。3AOA-MSBRNH3-N90.4%,2.04mg/L,12,:,、DO,。2.2.2　TN4。4,1AO-MSBRTN71.3%,TN。DO,。1,TN80%,,AO-MSBR/;,,()();,,,。4　M-SBRTNFig.4　TNremovalefficiencyinM-SBR2AO-MSBRTN79%,,TN6.86mg/L。1,2TN。,/1,,。3AOA-MSBRTN89%,95.6%,,。——(),——,,,。2.3　TP5。5　M-SBRTPFig.5　TPremovalefficiencyinM-SBR·16·24　13　　　　　　　　　　　　　　　　　　　　　　　　　　。:60d,;,,。,,,。M-SBR,。,。5,TP10.5%,、,。2AO-MSBRTP,70.3%,61.7%。,。,,。3AOA-MSBRTP88.5%,TP0.58mg/L。,TP98.0%,TP0.08mg/L。//,。,,[3]。,,,。AOA-MSBRTP,,61.8%。,,。2.4　,COD,93%,,COD。1,DO,,0.22mg/L。TN3,//,,。3TP12,//,。3　结论①　1,AO-MSBRCOD93%;,99%,;TN71%,80%;TP66%,,。②　2,AO-MSBRCOD96%,COD20mg/L;1,95%;TN1,79.1%,TN;TP,71%。③　3,AOA-MSBRCOD98%,COD8mg/L;90%,2.04mg/L;TN89%,95%,;TP88.5%,TP0.58mg/L,TP98.0%,TP0.08mg/L。,3。:[1]　.SBR[M].:,2003.[2]　BaeTH,HanSS,TakTM.Membranesequencingbatchreactorforthetreatmentofdairyindustrywastewater[J].ProcessBiochem,2003,39(2):221-231.[3]　,,,.A2O[J].,2005,56(8):1565-1570.:(1982-　),　,　,　,　。E-mail:[e-mail]:2008-01-20·17·:—SBR24　13