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BIOFOR®乔晓时1, 许云闳2, 全 燮1(1.大连理工大学环境与生命学院,辽宁大连116023;2.大连市排水处,辽宁大连116021) : BIOFOR®曝气生物滤池将污水生物处理与悬浮物去除过程结合在一起,具有过滤、吸附和生物降解等功能。大连市马栏河污水处理厂采用该工艺处理城市污水。实践表明,它占地少、处理效率高,出水水质达到了《城市污水再生利用———城市杂用水水质》标准。 : 曝气生物滤池; BIOFOR®; 污水处理; 再生回用:X703.1 :C :1000-4602(2004)07-0083-03BIOFOR®AeratedBio-filterProcessforMunicipalWastewaterTreatmentQIAOXiao-shi1, XUYun-hong2, QUANXie1(1.SchoolofEnvironmentalandLifeScience,DalianUniversityofScienceandTechnology,Dalian116023,China;2.DalianDrainageDepartment,Dalian116021,China) Abstract: BIOFOR®AeratedBio-filterProcessischaracterizedbycombiningthebiologicalwastewa-tertreatmentwithsuspendedsolidsremovalprocess.Ithasthefunctionsoffiltration,adsorption,andbiodegra-dation,etc.TheprocesswasusedinMalanheWastewaterTreatmentPlant.Thepracticaloperationprovesthatithasadvantagesoflesslandoccupiedandhightreatmentefficiency,andtheeffluentqualityreachesthestandardontheReuseofUrbanRecyclingWater———WaterQualityStandardforUrbanMiscellaneousWaterConsump-tion. Keywords: aeratedbio-filter; BIOFOR®; wastewatertreatment; reclamationandreuse SEDIPAC®3D+BIOFOR®,12×104m3/d,4×104m3/d,32km2,35,4.3hm2,1.6。199811,20009,20017。1 水质及水量(,),12×104m3/d,。:COD=480mg/L,BOD5=216mg/L,SS=350mg/L,NH+4-N=40mg/L,pH=6~9;:COD≤40mg/L,BOD5≤10mg/L,SS≤10mg/L,NH+4-N≤5mg/L,pH=6~9。2 工艺流程及主要构筑物SEDI-PAC®3D(S3D),BIO-FOR®C/NBIOFOR®N。1。① ,S3DBIOFOR®C/N,BOD、CODNH+4-N·83· 2004Vol.20 CHINAWATER&WASTEWATER No.7,BIOFOR®N,BOD、CODNH+4-N。,,。1 Fig.1 Flowchartoftreatmentprocess225mm,(88.2kPa)410mm,。S3D4,、,4m,13m,4m,8.5min,832m3/h,308。、,。6.5m,13m,2.1m,7.2min,22m3/h4,2。、,。9.3m,13m,5m,29min,1.5m。()25kg/m3,55%,。,2S3D12mm。1。② 24BIOFOR®,212,1C/N1N。C/N12m,6m,4m,55/m2,68/m2,1.8,6.7m/h,35.8min。(BioliteP3.5)3~6mm,3.2~3.8mm,1.25~1.55kg/L,0.75~0.9kg/L。N12m,6m,4.5m,55/m2,2.6,6.7m/h,40.3min。(BioliteL2.7)2.5~5mm,2.5~2.9mm,1.4~1.7kg/L,0.8~0.9kg/L。,、、/、,35min,:C/N14h,N36h。10~30m3/(m2·h),90m3/(m2·h),730m3/。③ 700m3,,21.9min,,10g/m3。④ 14m,5m,。2.5%,25%。20t/d,。1。1 Tab.1 DesignparametersofeachsectionS3DC/NNCOD(mg/L)4192939040BOD5(mg/L)1871313810SS(mg/L)4801685510NH+4-N(mg/L)3929245SS(%)656782BOD5(%)307174BOD5[kg/(m3·d)]4.041.13NH+4-N[kg/(m3·d)]0.250.85 : 。3 运行效果及工艺特点3.1 ,,(2)《———》,、、、、、、。·84·2004Vol.20 No.72 、Tab.2 TheWaterqualityofinfluentandeffluentCOD(mg/L)BOD5(mg/L)SS(mg/L)NH+4-N(mg/L)pH250~380120~180180~28020~307.4~7.6337927.2 : 。3.2 ① 。1hm2。BIOFOR®,。,,。BIOFOR®、,,、,40%,10%。② 、。BIOFOR®,,SS。,、、,《———》。③ 。BIOFOR®,20%~30%,,,,;,,,。④ ,。,BIOFOR®(),。⑤ 、。,BIOFOR®2~3,2。,,,。,,。⑥ ,、,,。,65,25。BIOFOR®,、、。4 结语BIOFOR®50,,、BOD5COD,,。,,,、。,。:[1] StephensonTom,AllanMan,UptonJohn.Thesmallfootprintwastewatertreatmentprocess[J].Chemistry&Industry,1993,19:533-540.[2] PayraudeauM,GillesP.Nitrideremovalwithbiologicalaerat-edfilters[J].JWatPollutControlFed,1990,62(2):169-178.[3] KentTD,FitzpatrickCSB,WilliamsSC.Testingofbiologi-calaeratedfilter(BAF)media[J].WatSciTech,1996,34(3~4):363-370.:(0411)86656147E-mail:qiaoxiaoshi@waterchina.com:2004-01-30·85·2004Vol.20 No.7
本文标题:BIOFOR曝气生物滤池用于城市污水处理乔晓时
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