,,、,COD、BOD5、SS、。、、、、,、,,[1-3]。11.1,350m3/h,400m3/h,1。:①200m3/h、40m3/h、()25m3/h;②305230m3/h;③8013.4m3/h,28.8m3/h();④458012m3/h;⑤605.5m3/h;⑥0~6m3/h;⑦25m3/h。1.2A/OBAF,1。,,,;,,;A/OBOD5、COD,1mg/LCOD450~65060BOD150~2202025~521524~365SS140~165701~20.516~251.0pH7.3~7.76~9A/O+BAF(,572600):A/OBAF。A/O,(BAF),,A/O+BAF。,,GB13457—1996《》。:A/OBAF:2016-06-07;:2016-08-01。:,,1982,,,2002,。:0898-25691937;E-mail:kexj@cnooc.com.cn。1201612396LargeScaleNitrogenousFertilizerIndustryDec.2016Vol.39No.66,,。A/O100%~400%,50%~200%,。BAF,,4∶1。1.3COD、BOD5、、、SS、pH、TP、[4]。22.120157—12,363m3/h,6.3h;0.5mg/L,3h;2~3mg/L,A/O200%,8h;,100%;BAF3.1m3/h,1.5h;,。2。,,GB13457—1996《》;COD、BOD5、、、SS、、470,175,28,29,144,19,1.5mg/L,28,7,0.56,4.35,10,0.75,0.3mg/L,94%、96%、98%、93%、96%、85%、80%。,A/O+BAF。2.2A/O+BAF,,2kWh/m3(0.7/kWh),1.4/m3。2.3340×104t/a,2/t,204,COD1500t/a,93t/a。,、,,。31)AO+BAF,,GB13457—1996《》。2)AO+BAF,,。[1],,,.A/OBAF[J].,2011,27(16):73-76.[2],,.UASB+A/O+BAF[J].,2011,29(2):55-57.[3],.[M].:,2005:82-95.[4].[M].4.:,2002:105-279.2AO+BAFmg/LCOD24~34BOD6~90.2~1.33.8~5SS8~120.2~0.40.4~1.0pH7.3~7.7APPLICATIONOFA/O+BAFCOMBINEDPROCESSINWASTEWATERTREATMENTINPETROCHEMICALPLANTKeXiaojun(ChinaBlueChemicalLtd.,Dongfang572600)(426).A/O+BAF419201639Abstract:A/OandBAFcombinedprocesswasusedforcompositewastewatertreatmentinpetro-chemicalplant.BasedonA/Oprocess,aprimaryandlow-loadbiologicalaeratedfilter(BAF)wasusedinwastewatertreatmentplant.Checkingtheresultsofthecombinedprocess,theoperationcostislow,andthequalityofdischargewatercanmeetthestandardofClassAinGB13457—1996WasteWaterComprehensiveDischargeStandard.Keywords:A/Oprocess;BAFprocess;wastewaterfrompetrochemicalindustry5,、、、、pH,“、、、、”。[1].[M].2.:,2007:144-1762015-11-187.830.40.82260.2115.128.12102015-11-197.633.70.10280.2714.277.241072015-11-207.832.10.94260.2715.398.56102015-11-217.230.50.14240.2313.558.74102015-11-227.620.80.34270.2614.219.84102015-11-237.633.60.19250.3014.353.90102015-11-247.630.50.10250.2815.264.07102015-11-257.430.50.19220.2814.324.02102015-11-267.535.30.76250.237.9210.151082015-11-277.736.90.53260.279.0215.12102015-11-287.033.70.16250.309.0010.15102015-11-296.932.10.07240.226.0210.15102015-11-307.228.80.05230.276.8517.02102015-11-177.530.40.45250.2514.128.4210pHCODCr(P)BOD52015-11-167.724.00.11260.2014.328.50103mg/LSLUDGECOME-UPINSECONDARYSEDIMENTATIONTANKINA/O+BAFPROCESSZhangJie,LeiYujin(ChinaBlueChemicalLtd.,Dongfang572600)Abstract:A/Oprocesswasadoptedforwastewatertreatmentinrefinery,methanolandfertilizerplant.Duringtreatment,largeamountofactivesludgeinsecondarysedimentationtankcameupandflowedawaywiththestream.Studyingthereasonandadjustingtheprocess,thequalityofdischargedwaterfromsewageplantallmettherequirementofthestandard.Keywords:wastewatertreatment;A/Oprocess;secondarysedimentationtank;floatingsludge(419)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!426