臭氧氧化BAC深度处理鲁奇炉煤制气废水

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-BAC1,1,2,1,2,2,3(1.,311203;2.,314006;3.,314000)[]-BAC,,。,0.5A,2∶1,CODCr、UV254;BAC。,CODCr298mg/L57mg/L,CODCr81%;NH3-NTNBAC,NH3-NTN26%37%。[];;[]X703.1[]A[]1005-829X(2016)02-0067-04AdvancedtreatmentofLurgiGasifiercoalgasificationwastewaterbyozonation-BACprocessTanYulong1,LiYeran1,TangJie2,XuFengjun1,ZhengWei2,ChenLüjun2,LiYing3(1.ZhejiangDongfaEnvironmentalProtectionEngineeringCo.,Ltd.,Hangzhou311203,China;2.InstituteofEcologicalEnvironment,ZhejiangYangtzeDeltaRegionInstituteofTsinghuaUniversity,Jiaxing314006,China;3.ZhejiangShuangyiEnvironmentalTechnologyDevelopmentCo.,Ltd.,Jiaxing314000,China)Abstract:Thecombinedprocess,ozonation-BAChasbeenappliedtotheadvancedtreatmentofwastewaterfromLurgiGasifiercoalgasification.Themainfactorsinfluencingthetreatmentefficienciesarestudied,andthesteadyrunningeffectivenessofthesystemisinvestigated.TheresultsshowthattheoptimumremovingratesofCODCr,chro-maandUV254ofthewastewaterinozonationoccurwhenozonegeneratorcurrentis0.5Aandbipolarreactioncolumnozonedosagevolumeratio=2∶1.PollutantsremovalcouldbebenefitedfromextendingthehydraulicretentiontimeofBACappropriately.Duringstableoperationperiod,wastewaterCODCrcanaveragelybereducedfrom298mg/Lto57mg/L,andaverageCODremovingrateis81%.TheremovalofNH3-NandTNdependsonnitrificationanddenitrifi-cationofbiofilminBACfilter.TheaverageremovingratesofNH3-NandTNare26%and37%,respectively.Keywords:coalgasificationwastewater;ozonation;biologicalactivatedcarbontechnique,,“、、”。、,。,、、〔1〕。,、、、、200〔2〕。,-(A/O)。、,,COD、NH3-N、。,。,、〔3〕。〔4-5〕,。(BAC),,〔6-7〕。-BAC,36220162IndustrialWaterTreatmentVol.36No.2Feb.,201667,,,。11.1、,---MBR。:CODCr237mg/L,NH3-N12.8mg/L,TN126mg/L,47.8,pH7.84。1.2、BAC3,1。1,,D7cm×200cm,6L,。()。(,CF-G-3-30g),1L/min。,;,。BAC,D10cm×100cm,3~4mm,65cm,50%。3~5cm,10cm;15cm。BAC3.6L,,。。1.3CODCr、NH3-N、TN《》(4);pHpH(,pHS-3C);(,SD9011);(INUSA,Mini-Hicon)。22.12.1.1,,。2。22,,CODCr、UV254,0.5A,CODCr、UV254,,。,UV254。,C=CC=O,,。UV254254nm,,〔8〕。,0.5A。2.1.2,,。,。2016-02,36(2)68,2∶1,CODCr、UV254,CODCr、UV25469%、94%88%。,,CODCr、、UV254,。2.2BACBAC,3。3BAC3,2h,CODCr、NH3-NTN31%、14%23%;4h,CODCr、NH3-NTN44%、26%28%。BAC〔9〕。,,、。,,。,。,,。2.3-BAC-BAC:0.5A,1L/min,2∶1;BAC4h,3∶1。1,4、5。4CODCr5NH3-NTN4,-BAC,CODCr298mg/L57mg/L,CODCr81%。CODCr298mg/L102mg/L,CODCr66%;BACCODCr102mg/L57mg/L,CODCr44%。,CODCr60mg/L,CODCr60mg/L。5,NH3-NTNCODCr,NH3-NTN,NH3-N。,NH3-N,NH3-N。NH3-NTN2016-02,36(2),:-BAC69BAC。1,NH3-N9.31mg/L6.89mg/L,NH3-N26%;TN46.5mg/L29.3mg/L,TN37%。3-(BAC),:(1),,CODCr、UV254,0.5A,CODCr、UV254;2∶1,CODCr、UV254。(2)BAC。BACCODCr、NH3-NTN。(3)1,CODCr298mg/L57mg/L,CODCr81%。NH3-NTNCODCr,NH3-NTN,NH3-NTNBAC,NH3-NTN26%37%。[1],,,.[J].,2013,32(3):681-686.[2]WangJS,ZhaoLH.Analysisoforganiccompoundsincoalgasificationwastewater[J].JournalofEnvironmentalScience,1992(1):84-96.[3],.[J].,2009,29(1):33-35.[4],,,.-[J].,2014,45(2):14-18.[5]NeufeldRD,SpinolaAA.Ozonationofcoalgasificationplantwaste-water[J].EnvironmentalScience&Technology,1978,12(4):470-472.[6],.BAC[J].,2006,24(1):84-86.[7],,,.O3-BAC[J].,2011,37(9):138-142.[8],,.-[J].,2011,42(1):8-11.[9],,,.O3/UV+BAC[J].,2009,29(1):39-42.——————————[](1964—),。:13606633376,E-mail:tyl@dfepe.com。[]2015-11-25()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!ofpharmaceuticalsandpersonalcareproducts(PPCPs)inanadvan-cedwastewaterreclamationplant[J].WaterResearch,2011,45(16):5218-5228.[6]SipmaJ,OsunaB,ColladoN,etal.Comparisonofremovalofphar-maceuticalsinMBRandactivatedsludgesystems[J].Desalination,2010,250(2):653-659.[7]BernhardM,MüllerJ,KnepperTP.Biodegradationofpersistentpo-larpollutantsinwastewater:Comparisonofanoptimisedlab-scalemembranebioreactorandactivatedsludgetreatment[J].WaterRe-search,2006,40(18):3419-3428.[8]VerlicchiP,AlAukidyM,ZambelloE.Occurrenceofpharmaceuticalcompoundsinurbanwastewater:Removal,massloadandenviron-mentalriskafterasecondarytreatment-Areview[J].Sci.TotalEn-viron.,2012,429:123-155.[9]ClaraM,StrennB,GansO,etal.Removalofselectedpharmaceuti-cals,fragrancesandendocrinedisruptingcompoundsinamembranebioreactorandconventionalwastewatertreatmentplants[J].WaterResearch,2005,39(19):4797-4807.[10]GobelA,McArdellCS,JossA,etal.Fateofsulfonamides,macro-lides,andtrimethoprimindifferentwastewatertreatmenttechnolo-gies[J].Sci.TotalEnviron.,2007,372(2/3):361-371.[11]JossA,KellerE,AlderAC,etal.Removalofpharmaceuticalsandfragrancesinbiologicalwastewatertreatment[J].WaterResearch,2005,39(14):3139-3152.[12]RobertsPH,ThomasKV.Theoccurrenceofselectedpharmaceuti-calsinwastewatereffluentandsurfacewatersofthelowerTynecatchment[J].Sci.TotalEnviron.,2006,356:143-153.[13]XuJ,WuL,ChangAC.Degradationandadsorptionofselectedpharmaceuticalsandpersonalcareproducts(PPCPs)inagriculturalsoils[J].Chemosphere,2009,77(10):1299-1305.[14]UraseT,KikutaT.Separateestimationofadsorptionanddegrada-tionofpharmaceuticalsubstancesandestrogensintheactivatedsludgeprocess[J].WaterResearch,2005,39(7):1289-1300.[15]JossA,AndersenH,TernesT,etal.Removalofestrogensinmuni-cipalwastewatertreatmentunderaerobicandanaerobicconditions:Consequencesforplantoptimization[J].EnvironmentalScienceandTechnology,2004,38(11):3047-3
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