高级氧化技术在难降解有机废水中的研究及应用丁正丹caj20190322163618

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2010-01-201982-。。。CO2。。1。12.80V2.87VO3、H2O2、MnO4-、Cl2106~109mol-1Ls-1。2·OH、TOCCOD。。3-[1]。2113001。。、、Fenton、。。·OHX783B1001-10017201004-0072-03StudyandApplicationofAdvancedOxidationTechnologyinTreatmentofDifficultDegradableOrganicWastewaterDINGZheng-danandZHANGHong-LinCollegeofenvironmentalandbiologicalEngineeringLiaoningUniversityofPetroleumandChemicalTechnologyFushun113001ChinaAbstract:Atpresentthetechnologyfortreatingdifficultdegradableorganicwastewaterisoneofthemostimportantstudiesofwatertreatment.Recentlyadvancedoxidationtechnologyisbecomingoneofthekeywastewatertreatmenttechnologiesforitsspecialfeatures.Thecharacteristicandpresentapplicationsofadvancedoxidationtechnologyintreatmentofdifficultdegradableorganicwastewaterareintroduced.AndtheadvancedwetairoxidationO3oxidationFentonreagentandultrasonicwaveoxidationetcarestated.Throughtheanalysisofpresentsituationofstudyapplicationandproblemofadvancedoxidationtechnologythedevelopmentdirectionofindustrializationofthistechnologyispointedout.Keywords:Advancedoxidationdifficultdegradableorganicwastewater·OH·72·Vol.32No.42010·OH·OH1。//、///。、、、、。1·OHTable1Examplesoftechnologyorproducingreactivefreehydroxylgroup·OH2.1WAOCOD20~200g/L。、、、、。、、、、。CWO、、、。Cu、Fe、Ni、Co、Mn、V。SCWO。。、。—“”。SCWO、、、。Modec、、、、、。、SCWOCOD99%。。SCWO[3]。2.2。。。。。[3]—III。7.70mg/L,80WI11min90%48%。O3/UV、、、、、、。O3/UVTNT[4]。O3/UV。2.3FentonFenton、Fenton。FentonH2O2。H2O2。[5~6]—Fenton—Fenton。、。Fenton—pH8~10+UV+H2O2+UV+H2O2+TiO2+TiO2+H2O2++UV+H2O2UV+H2O2+HV+TiO22010324CHEMISTRYANDADHESION·73·FentonEFFenton。EF—FeReEF—FeOxEF—H2O2—FeReEF—H2O2—FeOxUV—CF/EF。1EF—FeReFentonFeRe。H2O2Fe2+Fe2+。Tzedakis[7]。2EF—FeOxFe2+H2O2。Fe2+。、。3EF—H2O2—FeReH2O2Fe2+H2O2。、2H2O2。H2O2、。4EF—H2O2—FeOxH2O2Fe2+。Brillas4—TOCFeOH3[8]。5UV—CF/EFUV—CF/EF300~400nmFe2+OH·。UV—CF/EFUV—CF/EFFe2+。BrillasUV—CF/EF4——FentonFe2+UV。—FentonFenton1H2O2H2O2H2O223Fe2+4。—Fenton。Fe2+。2.4、、、、、、、、、、、13——2—、、3—、、。LinMa/Fenton2—。Fe2+H2O210mg/L500mg/L/Fenton2—99%86%[9]。Qi20kHz、60W/cm2“”、[10]。3。12345。1.J.2006268:13~1765.2.J.2003192048~49.3.J.19991511:1~4.4.J.20021211~13.5KIWIJULARINCPERINGRERP.Effectoffentonandphoto-fentonreactiononthedegradationandbiodegradabilityof2-and4-nitrophenolsinwatertreatmentJ.Appl.CatalB.Environ19943:295~305.6NADTOCHENKOVKIWIJ.Mechanismofformationofpgenoxyl·74·Vol.32No.420102.3nF/nU=1.495℃。2。3Fig.3Theeffectofreactiontimeonthefreeformaldehydecontentandshearstrengthofsamples270min。70min。70min。2.4PVA2PVATable2TheeffectofPVAadditionamountontheperformanceofureaformaldehyderesinadhesivenF/nU=1.4、95℃70min。2。2PVA、、。PVA。PVA。PVA1.5%。PVA1%。3“——”nF/nUPVAnF/nUPVAnF/nU=1.4PVA1.0%。1.J.:20072634~7.2.J.200722518~20.3.J.200628274~76.4.J.200514522~25.5.J.200836350~53.6.FTIRJ.2006227873~877.7.-J.2008361269~70.PVA/%00.51.01.52.0/%0.190.110.08--/min137167213--/%47.146.246.848.147.6/MPa3.683.253.062.671.955.04.54.03.53.02.52.01.51.01%50607080900.400.350.300.250.200.15/MPa/minradicalsduringthephoto-oxidationofphenolinthepresenceofFeJ.Chem.Sci.PerkinTrans.19982:1303~1305.7TZE4DAKISTSAVALLACLIFTONMJ.TheelectrochemicalregenerationofFenton’sreagentinthehydroxylationofaromaticsubstrates:batchandcontinousprocessesJ.Appl.Electrochem.1989196:911~921.8BRILLASEMurE.CASSADOJ.IronCatalysisofthemineralizationofanillineusingacarbon-PTEFO2-fedcathodeJ.ElectrochemSoc.19961433:149~153.9LINJGMAYS.Oxidationof2-Chlorophenolinwaterbyultra-sound/fentonmethodJ.Envirion.Eng.20001262:130~137.10QIH.The20kHzsonochemicalJ.degradationoftracecyanideanddyestuffsinaqueousmedia.NewJChem.1999238:845~849.1“-”。64!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!2010324CHEMISTRYANDADHESION·75·

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