催化超临界水氧化技术处理香料废水研究陈金华

11121.2016202.200235CSCWO、、、COD、TN。Cu2+。COD、TN、。Cu2+25MPa420～440℃50sCOD95%。CATALYTICSUPERCRITICALWATEROXIDATIONPROCESSFORTREATINGTHEPERFUMEWASTEWATERChenJinhua1MaChunyan1XiDanli1LiQiong21.EnvironmentalScienceandEngineeringCollegeDonghuaUniversityShanghai201620China2.SpiceEssenceTechnologyandEngineeringCollegeShanghaiAppliedTechnologyInstituteShanghai200235ChinaAbstractCatalyticSupercriticalwateroxidationCSCWOtechnologywasadoptedtotreatperfumewastewater.EffectsofthecatalystconcentrationreactiontemperaturereactionpressureandreactiontimeondegradationefficiencyofCODTNwereinvestigated.TheresultsindicatedthatinsupercriticalwatertheefficiencyofremovingorganicwasmuchbetterafteraddingmetalionssuchasCu2+catalysts.ThehigherremovalratesofCODTNwereobtainedathigherconcentrationofthecatalysthighertemperaturehigherpressureandlongerresidencetime.WithCu2+asthecatalystunderproperreactionconditionsT=440℃t=50stheremovalrateofCODcouldbeover95%Itshowedthatcatalyticsupercriticalwateroxidationwasahigh-efficienttechnologyoftreatingperfumewastewater.KeywordsCSCWOhomogeneouscatalystsperfumewastewaterinfluencingfactors02080Modell、1。、、2-3SCWOCSCWO。。CO2H2O4-5。MnO2、CuO、TiO2、CeO2、Al2O3、Pt6。CuSO4Cu2+。11.1、、、、、、、。0～2L/h0.7kW15mm×500mm。9mm6320114292DOI:10.13205/j.hjgc.2011.02.018。380～440℃23～27MPa。1.2。ρCOD25023mg/LρTN4071mg/LGC-MS、1。30%COD。200%。Cu2+CuSO4。1/min/%882.29514.3526-1085.37518.212-1247.14562.311.3、。、、。。。。1.4COD－TNGB11894—89《》。22.150100200mg/LCu2+25MPaK=2380～440℃12。1Cu2+COD。25MPaK=2420℃Cu2+=50mg/LCOD80.5%Cu2+=100mg/LCOD84.1%。Cu2+200mg/LCOD85.9%。2TN。1COD2TN7、400℃、24MPaCu2+1.4mg/L。“”。。。2.250mg/LCu2+380～420℃K=240s34。3COD。Cu2+40s420℃23MPa25MPaCOD81.2%83.9%。473201142923COD4TNTN47.3%49.7%。、、7、、。400℃23MPa25MPaCOD440℃。TN。400℃440℃。。COD25MPa。2.3100mg/LCu2+25MPaK=2304050s56。5COD6TN5COD。Cu2+400℃3040sCOD65.2%67.8%。COD。CSCWO8320114292。6TN31%～59%。2.450mg/LCu2+380～420℃K=223MPa78。7COD8TNCODCOD。Cu2+50s400℃COD70.1%440℃COD95%。TN。TN。。CODTN。420℃COD。420～440℃。2.5CODTN。CODTN、。2。2CSCWO/MPa/s/n/mg·L－1COD/mg·L－1COD/%BOD5/mg·L－1B/C————25023—2590.01380℃25502.0100971161.24170.043400℃25502.0100593076.35610.094420℃25502.0100297388.15260.18440℃25502.010062597.53010.482B/C0.01。COD。。。3lCu2+。CODTN449320114292Tech2000411187-195.28OhashiADeSilvaVMobarryBetal.InfluenceofsubstrateC/Nratioonthestructureofmulti-speciesbiofilmsconsistingofnitriflersandheterotrophsJ.WatSciTech199532875-84.29DanielUrferPeterMHuck.MeasurementofbiomassactivityindrinkingwaterbiofiltersusingarespirometricmethodJ.WatRes20013561469-1477.30.SOURJ.200420316-20.31KunMLStenselHD.Aerationandsubstrateutilizationinaspargedpacked-bedbiofilmreactorJ.WPCF198658111066-1073.32ChengSSChenWC.OrganiccarbonsupplementinfluencingperformanceofbiologicalnitriticationinafluidizedbedreactorJ.WaterSciTech1994301131-42.33HanakiKWantawinCOhgakiS.EffectsoftheactivityofheterotrophsonnitricationinasuspendedgrowthreactorJ.WaterRes199024289-96.34SurampalliRYScheibleOKBanerjiSK.Nitrificationinsingle-stagetricklingfiltersJ.EnvironProg199514164-71.35GnenEHarremosP.Nitricationinrotatingdiscsystems.PartII.CriteriaforsimultaneousmineralizationandnitricationJ.WaterRes199024499-505.36AkunnaJBizeaucMolettaRetal.CombinedorganiccarbonandcompletenitrogenremovalusinganaerobicandaerobicupflowfiltersJ.WaterSciTech.19943012297-306.37AL-haddadAZeidanmOHamodaMF.Nitrificationintheaeratedsubmergedfixed-filmASFFbioreactorJ.Biotechnol199118115-128.38BallingerSJHeadIMCurtisTPetal.TheeffectofC/Nratioonammoniaoxidisingbacteriacommunitystructureinalaboratorynitrification-denitrificationreactorJ.WaterSciTech2002461/2543-550.39.J.200218826-29.40TschuiMBollerMGujerWetal.TertiarynitrificationinaeratedpilotbiofiltersJ.WatSciTech19932910/1153-60.41CromphoutJ.DesignofanupflowbilfilmreacterfortheeliminationofhighammoniaconcentrationineutrophicsurfacewaterJ.WaterSupply1992103145-150.42.J.200319567-69.43.UBAFJ.2009251155-58.44.J.2[e-mail]2010－09－03櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅39。。2、COD、TN。Cu2+440℃25MPa50sCOD95%。3B/C0.45COD、TN。1ModellM.Treatmentforoxidationoforganicmaterialinsupercriticalwater.US4338199P1982246.2YuJianlSavagePE.CatalyticoxidationofphenoloverMnO2insupercriticalwaterJ.IndEngChemRes199938103793-3801.3.J.20043310987-991.4.J.2005245542-544.5.J.200222117-20.6OshimaYTomitaKKodaS.KineticofthecatalyticoxidationofphenolovermanganeseoxideinsupercriticalwaterJ.IndEngChemRes19[e-mail]2010－08－174420114292