A/A/MBBR余建恒1,2, 周少奇1, 曾 武1, 赵淑贤2(1.华南理工大学环境科学与工程学院,广东广州510006;2.广州市大坦沙污水处理厂,广东广州510163) : 采用A/A/MBBR工艺处理由粪便液和生活污水组成的混合污水,试验条件:填料投配比为20%,好氧池1和好氧池2中的填料体积比为1∶3,好氧池的水力停留时间为5h,混合液回流比为120%,污泥回流比为60%,泥龄为6d,好氧池的溶解氧为3.0mg/L,温度为16~20℃。系统稳定运行一个月的结果表明:脱氮除磷效果及对有机物的去除效果均稳定而良好,出水氨氮、总氮、总磷和COD平均浓度分别为0.3、12.9、0.35和36.22mg/L,均达到了国家一级A排放标准。 : A/A/MBBR工艺; 粪便液; 脱氮除磷; DGGE:X703 :A :1000-4602(2009)21-0026-03ResearchonA/A/MBBRProcessforNitrogenandPhosphorusRemovalfromMixedSewageYUJian-heng1,2, ZHOUShao-qi1, ZENGWu1, ZHAOShu-xian2(1.CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China;2.DatanshaSewageTreatmentPlant,Guangzhou510163,China) Abstract: TheA/A/MBBRprocesswasusedtotreatthemixedwastewaterofdomesticsewageandfecalsewage.Theconditionofexperimentisthattheratioofthecarriersis20%,thevolumeratioofcar-riersbetweentheaerobictank1andtheaerobictank2is1∶3,theHRTintheaerobictanksis5h,themixed-liquidreturnratiois120%,thesludgereturnratiois60%,thesludgeretentiontimeis6days,theDOintheaerobictanksis3.0mg/Landthetemperatureis16to20℃.Afteramonthofoperation,thesystemhasstableandbetterremovalefficiencyofnitrogen,phosphorusandorganicmatter.Theaver-ageconcentrationsofNH3-N,TN,TPandCODintheeffluentare0.3mg/L,12.9mg/L,0.35mg/Land36.22mg/Lrespectively,meetingthefirstlevelAcriteriaspecifiedinthenationaldischargestand-ard. Keywords: A/A/MBBRprocess; fecalsewage; nitrogenandphosphorusremoval; DGGE :(2005EC000288); (2006C13G0081) ,,[1~3]。,、,、。,·26·第25卷 第21期2009年11月 中国给水排水CHINAWATERWASTEWATER Vol.25No.21Nov.2009。,,。,A2/O()A/A/MBBR,。1 材料与方法1.1 1。1 Fig.1 Schematicdiagramofpilot-scaleexperimentalsetup,500L/h,,。2.9m,1.2m,1.3m,1.1m,3.8m3。、、(、,1∶1),0.5m3,0.8m3,,1390r/min;2.5m3,,,2,。1.1m,68cm,0.9m3,。,。,,。1.2 ,。600m2/m3,。,;,,。1.3 (),1。1 Tab.1 Qualityofrawwastewatermg·L-1 BOD5CODNH3-NTNTP 40~26070~30014~3617~401.5~7 COD、TN、NH3-N、TP,[4]。DGGE[5],、。1.4 :20%,121∶3,(HRT)5h,120%,60%,(SRT)6d,3.0mg/L,16~20℃。2 结果与讨论2.1 、、,。,。NH3-N14.59mg/L,35.96mg/L,21.65mg/L;NH3-N1mg/L,0.3mg/L,NH3-N90%(99.94%),98.56%,,。,,,。,,TN17.11~38.63mg/L,24.33mg/L;15mg/L,11.03mg/L,14.36mg/L,12.9mg/L,。:,·27·余建恒,等:A/A/MBBR工艺处理混合污水的脱氮除磷中试研究第25卷 第21期,,。2.2 、,,,。、TP,:,1.66mg/L,6.26mg/L,3.15mg/L;TP0.5mg/L,0.35mg/L,TP75%~96.72%,87.89%。,:、,,A2/O;,,,。2.3 COD,、COD。,COD,。COD73~296mg/L(134mg/L),COD40mg/L,36.22mg/L。COD88.37%,70.41%。2.4 ,、、DGGE(1~4)。,DGGEV3,,。DGGE,4,,。,174,22。,4。、,43,。24,T-GENEBANK,4,,,。3 结论① ,0.3mg/L,98.56%;,12.9mg/L。② ,0.35mg/L;COD36.22mg/L。、、CODA。③ DGGE,,,。:[1] ,,,.[J].,2007,23(24):92-94.[2] .[J].,2000,17(1):20-23.[3] ,,.[J].,2003,4(3):15-19.[4] .(4)[M].:,2002.[5] ,,,.OLAND16SrDNADGGE[J].,2003,13(5):1-3.:(1973- ), , , , 。:13660015311::2009-06-30·28·第25卷 第21期 中国给水排水