叶长兵1,2, 韩相奎3, 汤 洁1, 庄金鹏3, 毕 冬3(1.吉林大学环境与资源学院,吉林长春130026;2.玉溪师范学院地理科学系,云南玉溪653100;3.吉林建筑工程学院市政与环境工程学院,吉林长春130021) : 采用复合式异波折流板厌氧反应器进行了为期12个月的生活污水处理中试研究。结果表明,在温度为(25±2)℃的条件下,系统的最佳水力停留时间(HRT)为6h,此时对COD、TP、TN的去除率分别为78.58%、35.15%、39.17%;最适宜的厌氧污泥区容积百分比为45%~65%;较佳的进水COD浓度为150~800mg/L。控制HRT为6h,当温度为7℃时对COD、TP、TN的去除率分别为64.37%、20.72%、23.65%,最大比甲烷产率为1.85mL/(gVSS·h)。可见,采用该工艺处理北方地区的低温、低浓度生活污水是可行的。复合式异波折流板厌氧反应器处理低浓度污水高效的原因在于其具有传质效果好和生物相丰富多样的特点。 : 异波折流板厌氧反应器; 生活污水; 低浓度; 低温; 最大比甲烷产率:X703.1 :A :1000-4602(2008)09-0038-04 :(50778080)EfficiencyofHybridAnaerobicBaffledReactorforTreatmentofLowConcentrationSewageYEChang-bing1,2, HANXiang-kui3, TANGJie1, ZHUANGJin-peng3, BIDong3(1.CollegeofEnvironmentandResources,JilinUniversity,Changchun130026,China;2.DepartmentofGeographyScience,YuxiNormalUniversity,Yuxi653100,China;3.SchoolofMunicipalandEnvironmentalEngineering,JilinInstituteofArchitecturalandCivilEngineering,Changchun130021,China) Abstract: Pilot-scalestudyontreatmentofdomesticsewagefor12monthswasperformedinhybridanaerobicbaffledreactor(HABR).TheresultsindicatethatwhentheHRTandtemperatureare6hand(25±2)℃,theremovalratesofCOD,TPandTNare78.58%,35.15%,39.17%respectively.Theoptimalvolumepercentageintheanaerobicsludgezoneis45%to65%.TheoptimalinfluentCODcon-centrationis150to800mg/L.WhentheHRTandtemperatureare6hand7℃,theremovalratesofCOD,TPandTNare64.37%,20.72%and23.65%respectively,andthemaximalspecificmethaneproductionrateis1.85mL/(gVSS·h).ItisconcludedthatHABRissuitableforlowconcentrationsewagetreatmentatlowtemperatureinNorthChina.ThereasonsofhighefficiencyofHABRfortreat-mentoflowconcentrationsewageareowedtoitshighefficientmasstransferandabundantbiofacies. Keywords: anaerobicbaffledreactor; domesticsewage; lowconcentration; lowtempera-ture; maximalspecificmethaneproductionrate·38·第24卷 第9期2008年5月 中国给水排水CHINAWATERWASTEWATER Vol.24No.9May2008 、、[1、2],[3~8]。,,、[9、10]。10℃,。,,—,。1 试验材料及方法1.1 1。1 Fig.1 Schematicdiagramofreactor4m,1m,2m(1.8m,20cm),7.2m3。120°,10cm,5。,。,。。1.2 ,COD90~800mg/L,TNTP30mg/L6mg/L,pH7.2~7.5。,UASB100kg:,SVI50mL/g,VSS/SS0.45。50d。1.3 COD:;TN:;TP:;:;pH:;SSVSS:。2 结果及分析2.1 COD、TP、TNHRT(25±2)℃、COD150~800mg/L,COD、TP、TNHRT2(,HRT)。2 COD、TP、TNHRTFig.2 COD,TPandTNremovalratevsHRT2,HRT=3h,COD、TPTN40.21%、14.38%、26.32%。,COD、TP、TNHRT。HRT=6h,COD、TPTN78.58%、35.15%、39.17%。HRT,COD、TP、TN。,HRT6h。2.2 COD,,。。HRT=6h、(25±2)℃,COD3。3 CODFig.3 CODremovalratevsvolumetricpercentageofanaerobiczone·39·叶长兵,等:复合式异波折流板厌氧反应器处理低浓度污水的效能第24卷 第9期3,COD,45%~65%,,77%。,,。:①,,;②,,。,。45%~65%。2.3 CODCODHRT,COD。COD,,。HRT=6h、(25±2)℃,COD,4。4 CODFig.4 EffectofinfluentCODonCODremoval4,COD150~800mg/L,COD70%;COD150mg/L,COD。,COD150~800mg/L。2.4 HRT=6h,COD、TP、TN,5。5,COD、TP、TN,,COD、TP、TN。7℃,COD、TP、TN64.37%、20.72%、23.65%。5 COD、TP、TNFig.5 COD,TPandTNremovalratevstemperatures2.5 6。6 Fig.6 Maximalspecificmethaneproductionratevstemperatures6,。7℃,1.85mL/(gVSS·h),,。3 讨论,,。,。,、;,,[11、12],,。·40·第24卷 第9期 中国给水排水 —,。,、,,、。,,,,。ABR,,,[13],、。4 结论(25±2)℃,HRT6h,COD、TP、TN78.58%、35.15%、39.17%;45%~65%;COD150~800mg/L。HRT6h,7℃COD、TP、TN64.37%、20.72%、23.65%,1.85mL/(gVSS·h)。,、。:[1] ,,,.[M].:,2002.[2] ,.[M].:,2004.[3] ,,,.ABR[J].,2007,23(15):47-50.[4] ,,,.UASB[J].,2007,23(11):67-68.[5] ,,,.EGSB[J].,2007,23(9):81-84.[6] AletteAMLangengoff,DavidCStukey.Treatmentofdilutewastewaterusingananaerobicbaffledreactor:effectoflowtemperature[J].WaterRes,2000,34(15):3867-3875.[7] GatzeLettinga,SalihRebac,GrietjeZeeman.Challengeofpsychrophilicanaerobicwastewatertreatment[J].TrendsinBiotechnol,2001,19(9):363-370.[8] HamedMEl-Mashad,GrietjeZeeman,WilkoKPvanLoon.Effectoftemperatureandtemperaturefluctuationonthermophilicanaerobicdigestionofcattlemanure[J].BioresourTechnol,2004,95(2):191-201.[9] SeanConnaughton,GavinCollins,VincentO'Flaherty.Psychrophilicandmesophilicanaerobicdigestionofbreweryeffluent:Acomparativestudy[J].WaterRes,2006,40(13):2503-2510.[10] ,,.[J].,2007,23(5):58-61.[11] ,.[M].:,1997.[12] ,.———[M].:,1990.[13] WilliamPBarber,DavidCStuckey.Theuseofthean-aerobicbaffledreactor(ABR)forwastewatertreatment:Areview[J].WaterRes,1999,33(7):1559-1578.:(1975- ), , , , , 。:15008776833E-mail:yechb1205@sina.com.cn:2008-01-16·41·叶长兵,等:复合式异波折流板厌氧反应器处理低浓度污水的效能第24卷 第9期