Orbal氧化沟的应用及发展趋势张扬

Orbal＊张　扬1　陈　豪2　宋英豪3　王化军1　张　蔚4(1.,100083;2.,214000;3.,100037;4.(),100083):Orbal氧化沟自1970年开发至今已有广泛应用,在实际工程应用中取得了很好的处理效果,但也存在着同时硝化反硝化不够稳定、脱氮除磷困难、运行能耗偏高等问题。通过采用增加内回流、推流与曝气转碟相结合和微孔曝气与推流相结合的运行方式使这些问题得到了解决,同时Orbal氧化沟工艺也朝着高效低耗的方向发展。:Orbal氧化沟;应用;发展趋势THEAPPLICATIONANDDEVELOPMENTTRENDSOFORBALOXIDATIONDITCHZhangYang1　ChenHao2　SongYinghao3　WangHuajun1　ZhangWei4(1.BeijingUniversityofScienceandTechnology,Beijing100083,China;2.WuxiChengbeiSewageTreatmentPlant,Wuxi214000,China;3.BeijingEnvironmentalResearchInstitute,Beijing100037,China;4.ChinaUniversityofMiningandTechnology(Beijing),Beijing100083,China)Abstract:Since1970,theOrbaloxidationditchhasbeenwidelyused.However,therearesomeproblemsaswell,suchasunstablesimultaneousnitrificationanddenitrificationnotstable,difficultsimultaneousremovelofnitrogenandphosphorus,andhighenergyconsumptionetc.Butthroughintroductionofinternalcirculationinthesystemandseparationofaerationandmixing,theproblemsweresolved,andatthesametimehighefficiencyandlowenergycomsumptionarebecomingthedevelopmenttrendoftheOrbaloxidationditchprocess.Keywords:Orbaloxidationditch;application;developmenttrend　　　　　　　　＊(2006BAC19B00)。1　OrbalOrbal1970,1970,Envirex,,300Orbal,900000m3d[1]。Orbal3P,Orbal,1。,,,,,,。Orbal:1)。Orbal,1　Orbal　,。2)。Orbal,0-1-2,。2。62　　　20098274DOI:10.13205/j.hjgc.2009.04.0272　Orbal　3)。Orbal,,,,,。Orbal,2070。,,170000m3dOrbal。OrbalElmwoodWWTP、HammontonWWTP、LakeGenevaWWTP,3.0mgL[2]。,Orbal,,6m3Orbal,;10m3Orbal。,Orbal:、、、、。2　OrbalOrbal,。,,,。Orbal。2.1　运行状态控制难同时硝化反硝化不够稳定Orbal0mgL,,,,,BOD。,,BOD。,,。,,,。,Orbal,,Orbal。2.2　同时脱氮除磷困难Orbal,。,[3]。。Orbal,,。,,3.0～5.0d,Orbal,10d,30d,35d[4]。Orbal。,。2.3　运行能耗偏高150,(0.357±0.16)kW·hm3,(0.548±0.35)m3,(1.23±1.09)m3(、)。,,,。,1。1,。1　、kW·hm30.340.4463　　　200982743　Orbal3.1　与A2O工艺融合的多点进水运行方式,Orbal0-1-2,OrbalA2O,,,,。,,,。,COD,,1～210mgL,4,8mgL[5]。(10td),A2O,,、,,,200%,,,,。2。2GB18918-2002《》B。,,A2O,、,。25%,75%,,,0.5mgL,15mgL[6]。2　2007、CODBOD5NH3-NTNTP(mg·L-1)50815723.6339.955.28(mg·L-1)51.64.694.4918.880.373.2　水下推流与转碟曝气相结合增加调节能力Orbal,Orbal。。,,,。[7]。,,,,。,,4#5#,,。3.3　采用微孔曝气与混合推流相结合,。,,,,。,,。,,,、、[8]。Carrousel,。,:0.19(kW·h)m3(1100m)、()2.5～4.5td,PAM13～15kgd。Carrousel,Orbal。4　Orbal,,。,、。,Orbal,　　　(90)64　　　20098274,。。,,,,,pH,,,,,,,。,,。3　,,,。,,、,。[1]　эп.[M].,.:,1966:65-75.[2]　().———[M].:,1994:314-350.[3]　,.———[M].:,2004:45-100.[4]　.[M].:,2002:108-110.[5]　.[M].:,2001:267-270.[6]　《》.[M].:,1981:37-44.[7]　.[M].:,1991:25-29.[8]　,,.[M].:,2001:128-136.[9]　.[J].,2000,24(6):561-564.[10]　,,,.[M].:,2001:74-79.[11]　,,.[J].,1998,18(1):94-96.[12]　S.[J].,1998(3):54-56.[13]　.[J].,1996(6):45-50.[14]　.[J].,1999,15(3):1-3.[15]　.[M].:,1995:32-36.　　100026　2　　(010)65823079E-mail　[e-mail]2008-12-11(64)A2O,Orbal,;;Carrousel,Orbal。Orbal,、。[1]　.[M].:,2006.[2]　DaiggerGT,LittletonHX.Orbal[J].,1999,15(3):1-7.[3]　.[M].:,2005.[4]　.[J].,1999,15(7):17.[5]　.Orbal[J].,2008,34(5):524-525.[6]　.Orbal[J].,2004,24(11):71-72.[7]　HaoXiaodi.Conditionsandmechanismsaffectingsimultaneousnitrificationanddinitrificationinapasveeroxidationditch[J].BioresourceTechnology,1997,59:207-215.[8]　.[J].,2003,19(2):75.　　100083　30　364E-mail　[e-mail]2008-09-2590　　　20098274