A三级MBBR法处理炼油废水的中试研究袁志宇

2610200910FINECHEMICALSVol.26,No.10Oct.2009A/MBBR＊袁志宇1,刘　锋2,陆大培1(1.,　430070;2.,　430063):10.5m3,A/MBBR。CODCr、NH4+—N。,A/MBBR(14.3h)(66h),CODNH4+—N92.4%99.8%,、,《》(GB8978—1996)。:MBBR;;;:X742　　:A　　:1003-5214(2009)10-1016-03PilotResearchofOilRefineryWastewaterTreatmentbytheCombinationProcessofA/threeMBBRYUANZhi-yu1,LIUFeng2,LUDa-pei1(1.WuhanUniversityofTechnologyDesigningInstitute,Wuhan430070,Hubei,China;2.ChinaRailwaySiyuanSurveyandDesignGroupCO.,LTD,Wuhan430063,Hubei,China)Abstract:ThecombinationprocessofA/threeMBBRwasusedtotreattheoilrefinerywastewater.Inthispilotresearch,theremovalrateoftheCODCrammonianitrogenareinvestigated.TheresultsindicatethatintheprocessofA/threeMBBRtheremovalefficiencyoftheCODandNH4+—Nare92.4%and99.8%ontheconditionofHRT14.3h,whichismuchlowerthan66h.ThecombinationprocesshasthefeaturesofhighremovalrateandlowHRT.Theoutwaterqualitycouldreachthefirstlevelofemissionstandards《NationalComprehensiveEmissionStandard》(GB8978—1996).Keywords:MBBR;oil-refiningwastewater;removalrate;watertreatmenttechnologyandenvironmentalprotection　　、。,、,NH4+—N。“”,。,,,,。2090,、(BAC)、、(MBR)、(MBBR)、[1,2]。MBBR,、、,,MBBR,;,,,,MBBR＊:2009-04-09;:2009-05-25:(1966-),,,,,,,:027-87677021,13018063961,E-mail:[e-mail]。DOI:10.13550/j.jxhg.2009.10.017[3～5]。,MBBR,,。A/MBBR,10.5m3,。1　1.1　1。1　Fig.1　Testdevice　　UPVC、、、、、。,3.2m(l)×2.0m(w)×2.5m(h),10.5m3;,,,～MBBR,,。1,2。2　Fig.2　Processflowdiagram:(1):2.4m3,,0.5mg/L;(2)MBBR:2.4m3,,2～3mg/L,50%;(3)MBBR:2.4m3,,2～3mg/L,45%;(4)MBBR:3.3m3,,3～4mg/L,40%;(5):;1.6m3;(6):0.8m3,;(7):,5m/h。MBBR,,,25mm,10mm,,,500m2/m3,0.96g/cm3,1g/cm3。3MBBR。3　MBBR、Fig.3　PhotosofMBBRfillersbeforeandafterthebiofilm1.2　,、、COD,。,·1017·10,:A/MBBR1。1　Table1　RawwaterqualityCODCr/(mg/L)NH4+—N/(mg/L)pH/(mg/L)/(mg/L)/(mg/L)265～99229.4～156.86.7～7.914.6～35.80.2～1.37.3～26.92　,。,,1d,,25d,。(COD),,0.6～0.9m3/h,0.5mg/L,2～4mg/L。pH7.8～8.2,pH7.5～7.8。,32d。,、、。1:,。6,26～31℃。CODCrNH4+—N。,,CODCrNH4+—N、。2.1　COD、CODCr,CODCr,,4。4　CODFig.4　ChartofCODremovalefficiency　　,32d,14.3h,CODCr65.8mg/L,CODCr50.1mg/L,CODCr92.4%。《》(GB8978—1996)(COD60mg/L)。2.2　NH4+—N、NH4+—N5。5　NH4+—NFig.5　ChartofNH4+—Nremovalefficiency,A/MBBRNH4+—N0.3mg/L,NH4+—N100%,NH4+—N,。3　(1)A/MBBR,“+MBBR+”,0.6～0.9m3/h,2～4mg/L,14h,CODNH4+—N92.4%99.8%,,COD60mg/L,《(GB8978—1996)。(2)A/MBBR(14.3h)(66h),CODCr65.8mg/L,()116mg/L,COD,。:[1]　,,　.[J].,2007,33(12):10-13.[2]　.[J].,2005,24(8):921-924.[3]　,.[J].,2004,27(2):103-106.[4]　.[J].,2004,23(6):257-261.[5]　　,,.[J].,2007,17(2):153-155.·1018·　FINECHEMICALS　　　　　　　　　　　　　　26