隔油涡凹气浮组合生化工艺处理含油污水的工程应用翟建

-翟建(　2l0048)　　　　-。,COD1800mg/L,2800mg/L,,COD60mg/L,4.0mg/L,《》(GB8978-1996)Ⅰ,。　　　　　　　TreatmentofOilWastewaterbyGreaseSeparation-CAF-CombinedBiochemicalProcessZHAIJian(NanjingCollegeofChemicalTechnology,DepartmentofAppliedChemistry　Nanjing210048)Abstract　Thispaperintroducestheprocessdesignandrunningeffectofoilwastewatertreatmentbygreaseseparation-CAF-combinedbiochemicalprocess.Theprocesshasadvantagesoflowenergyconsumptionandeasycontrol.UndernormalconditionwhenCODofinfluentat1800mg/Landoilcontentat2800mg/L,themeanresidualCODineffluentwillbelowerthan60mg/Landoilcontentlowerthan4.0mg/L,whichcanmeetthefirst-orderofNationalStandardforComperhensiveDischargeofWastewater(GB8978-1996).KeyWords　oilwastewater　greaseseparation　cavitationairfloatation　anaerobicfiltration　biologicalaeratedfilter1　、,。,、COD,,,pH6～9。,,,10.5m3,4.5m3。1。1　mg/L(pH)CODpHNH4-N180028006～9—200—6～935100106～9152　,,-,1。3　3.1　,,,,,,。3.2　1　,,,,PAC、PAMNaOH,,,,。3.3　,N、P。,,,,,,,·46·　　　　　　　　　IndustrialSafetyandEnvironmentalProtection　　　　　　　　2010366June2010,,。3.4　,,(BAF)。,,,;,;,,;,,。,[1-4]。BAF,;、BAF;BAF2。4　4.1　12,5～8,,,1630m3,3,:10.5m×5m×4.5m,。4.2　4,(HRT)2.5～3h,50m3,:5m×4m×3m,,,,CAF。4.3　CAF(CAF),,、、、,、;CAF,SS80%;、[1]。20min,10m3,2.0m,PACPAM,。4.4　22,4h,2.5m3,:2.5m×1m×1m,,,,。4.5　72h,(COD)kg/(m3·d)0.50,4.5m,5.0m,45m3,(),。,,。4.6　6h,2.5m,1.5m,,7∶1,,,4.5m3/h,30kPa。,,3d,,,。、8h。5　、5.1　20085,6,。2200935,,。2　mg/LCODCAFCODCODCOD03-051722312162051.219918.3634.303-121717309162952.419818.5573.903-191693305162350.320317.8614.103-231686311161051.720718.2583.803-301705318163250.821117.9554.35.2　200,、、、。,,,、、、,3.1/t;、,2.9/t。6　-,,《》(GB8978-1996)Ⅰ,,,。[1],,.-[J].,2005,25(3):210-213.[2],,,.[J].,2007,23(4):55-57.[3],,,.[J].,2008,28(11):86-89.[4].-[J].,2009,160(1):27-30.　翟建,男,1980年生,河北唐山人,硕士,讲师,主要从事水污染控制工程与水处理药剂开发等方面的研究与教学工作。(:2009-05-13)·47·