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CasestudyonthetreatmentofnitrogenousfertilizerindustrialwastewaterbythehighlyefficientbiologicalaeratedfilterprocessZengMing1,XueHongmei2,XuWei1,DongGuiyan3(1.BeijingGaiaTechnologyCenter,Beijing100871,China;2.EnvironmentalProtectionBureauofYanshiCity,Yanshi471900,China;3.InstituteofCoalChemistry,ChineseAcademyofSciences,Taiyuan030001,China;)1,2,1,3(1.,100871;2.,471900;3.,030001)[],COD、BOD5、NH3-N500~1000、300~500500~700mg/L,COD、BOD5、NH3-N81~158、8~15、4.8~68mg/L,《》(GB13458—2001),2.509/m3。[];;;;[]X703.1[]B[]1005-829X(2008)11-0086-04Abstract:Thefinaleffluentwaterinnitrogenousfertilizerindustryhasbeentreatedbythehighlyefficientbiologicalaeratefilterprocess.TheresultshowsthattheCODoftheinfluentwatergoesdownfrom500-1000mg/Lto81-158mg/L,theBOD5from300-500mg/Lto8-15mg/L,andammonia-nitrogenfrom500-700mg/Lto4.8~68mg/L.AndthedirectoperationcostofCNY2.509/m3isrequired.AlloftheindexeshavemettherequirementsoftheFirstGradeDischargeStandardofWaterPollutantsforSyntheticAmmoniaIndustry.Keywords:nitrogenousfertilizerindustrialwastewater;zerodischarge;denitrification;biologicaltreatment;highlyefficientbiologicalaeratedfilter13.5t/a、20t/a、3t/a,。,,,1500m3。,COD500~1000mg/L,NH3-N500~700mg/L,SS300~1000mg/L,,。,、,;,,。,C/N(C/N=0.87,COD),,、C/N,。(GBAF),〔1,2〕。11.12000m3/d()。1〔3〕。2811200811IndustrialWaterTreatmentVol.28No.11Dec.,20081COD/(mg·L-1)BOD5/(mg·L-1)NH3-N/(mg·L-1)SS/(mg·L-1)pH7004005004006~915060601006~9861.21。,,,;;、,,,SS,;GBAF,CODCr,GBAF〔4〕。。1.3GBAFGBAF,,80m2/g,(98%);,,,,,40g/L。1.00g/cm3,〔5〕。,,,,,,,。GBAF,,、,、、NH3-N。2、。C/N,GBAFTN,,。2.1,,,。,,,,,。,,。(API),、、,150μm,。1.8m/h,、。。,〔6〕。2.2,GBAF,,。,GBAF1,。,,(COD、、)。。GBAF。2.3GBAFGBAFCODNH3-N。GBAFNH3-N0.6kg/(m3·d),24.0h,12.0h;GBAF,30∶1,2~4mg/L;GBAF,;GBAF,,GBAF。GBAF,,。2。3。GBAF。50d。,、pH,,:2008-11,28(11)1GBAFPACPAM87(50~60mg/L),(1.0×107~1.2×107,2~3mg/L),pH8.0~8.5。GBAF、3。,。,,pH7~9,m(C)∶m(N)∶m(P)=100∶5∶1,,GBAF,GBAF,200mg/L。GBAF,,3~5hGBAFB,,3d。GBAFCOD、pH,60%,,。COD、,GBAF,30%,,2h4h,GBAF,,B,GBAF,,。2dGBAF、COD、pH,pH,GBAF,2~4mg/L。4,5~7d,32d。GBAF、。420075,20076,3。50.50/(kW·h),0.345/m3;1.952/m3(800g/m3,PAC40g/m3,PAM4g/m3,40g/m3,0.20g/m3);0.106/m3;0.156/m3;0.106/m3;(10a、20a)0.529/m3。2.509/m3,3.194/m3。CODNH3-N396.0、309.6t(2000m3/d,360d/a),。〔7〕,0.4/m3(,),:2000×360×0.4=288000。4。6(1)GBAF,COD81~158mg/L、BOD58~15mg/L、SS40~70mg/L、NH3-N4.8~23COD/(mg·L-1)BOD5/(mg·L-1)NH3-N/(mg·L-1)SS/(mg·L-1)pH500~1000300~500500~700300~10008~9、540~720270~450450~69260~1008~9GBAF81~1588~154.8~6840~706~8/%83.8~84.296.5~97.390.2~98.886.62008-11,28(11)2.0m×1.0m×2.0m0.3~0.5m/s,5mm115m×8m×5.5mHRT=6h,6m×8m×5.5m100QW100-15-7.52,11;1;300m6m×2m×3.5mHRT=0.5h,3JFJ-10003D12m×4.5mHRT=3.5h,0.74m3/(m2·h)BG-121,2.0m/min,0.37kW20m×25m×5.5mNH3-N0.6kg/(m3·d),1.5m3/(m2·h),45,5m×5.0×5.5m1000m3,1000kg,50020m×3m×5.5mIS200-150-250A2,11D6m×4.0mG50-114m×6m×4.5mBMY-80014m×6m×4.5m3L53WD3,21,12,Q=32.5m3/min,58kPa,45kW4m×6m×4.5m,24,GW-2.54、8m×4m×4.5m8888888888888888888888888888888888888888888888868mg/L,《》(GB13458—2001)。(2)《》(GB50335—2002)(CODCr≤60mg/L、BOD5≤10mg/L、NH3-N≤10mg/L、pH6.5~9,TDS≤1000mg/L),()(、)。(3)SS,GBAF,(、),GBAFSS≤100mg/L、≤10mg/L,BAF。[][1]Mendoza-EspinosaL,StephensonT.AReviewofBiologicalAerat-edFilters(BAFs)forWastewaterTreatment[J].EnvironmentalEn-gineeringScience,1999,16(37):201-216.[2]Metcalf&EddyInc.WastewaterEngineering:TreatmentandReuse[M].4thed.:,2003:957-971.[3]GB13458—2001,[S].[4].:[M].:,2000:597-611.[5],,,.[J].,2002,10(4):332-337.[6],,,.[J].,2006,27(6):1155-1161.[7]GB50335—2002,[S].[](1979—),2004,。:13511032284,E-mail:thzeng@sina.com。[]2008-07-30()4/(m3·d-1)2000/(m2·m-3·d-1)0.92/569.8/kW165.0/(kW·h·m-3)0.69/(·m-3)2.509(),3.194()/28.8Reformationofthedomesticsewagetreatmentconstructions,carryingoutwastewaterrecycleLiuXiaoqing1,2,LiuWei2,GuoLiming2(1.LiaoningPetroleumChemicalEngineeringUniversity,Fushun113001,China;2.FushunPetrochemicalCo.,Petrochina,Fushun113123,China)1,2,2,2(1.,113001;2.,113123)[],,、,24t。[];;[]X703.1[]B[]1005-829X(2008)11-0089-04Abstract:Inordertofollowtheprincipleoftreatingthedomesticsewageappropriately,refineryNo.1hasreformedtheunusedsewagetreatmentconstructionsintosewagerecycleequipment,forusingtherecycledwaterasmechanicalpumpcoolingwater,firecontrolmake-upwater,cleaningwater,environment-friendlywater,etc.whichhasloweredtherequirementofwaterquality.240000toffreshwatercanbesavedeveryyear.Keywords:appropriatetreatmentprinciple;wastewaterrecycle;domesticsewage2811200811IndustrialWaterTreatmentVol.28No.11Dec.,200889
本文标题:高效曝气生物滤池处理氮肥工业废水的工程实践曾明
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