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当前位置:首页 > 商业/管理/HR > 企业文化 > Fenton试剂处理环氧氯丙烷生产废水研究李小林
INDUSTRIALWATER&WASTEWATERVol.40No.4Aug.,2009Fenton(,423000)(ECH),、、[1]。,。50~80t,,,Ca(OH)21%~2%,COD1500~2000mg/L,C1-1.5%~2.5%,,,,。,,、[2-3],。Fenton[4]。:2009-03-09;:2009-04-22:Fenton。、pH、、FeSO4H2O2COD,。,60℃、pH3.0、H2O297.9mmol/L,FeSO41.0mmol/L,75min,H2O2COD,FeSO4,。Fenton,。:Fenton;;;:X783.031:A:%1009-2455(2009)04-0034-03TreatmentofwastewaterfromepichlorohydrinproductionbyFentonreagentLIXiao-lin(ChenzhouWaterSupplyCo.,Ltd,Chenzhou423000,China)Abstract:Theremovalofhard-degradableorganicmattersinwastewaterfromepichlorohydrinproductionwasinvestigatedthroughFentonoxidationprocess.Theinfluencesofreactiontemperature,pHvalue,reactiontime,dosageofFeSO4andH2O2andsomeotherfactorsonCODremoval,aswellastherelationshipamongtheabovefactorswerestudiedthroughsinglefactortestandorthogonaltest.Theresultsshowedthat,theoptimalreactionconditionwas:thetemperaturewas60℃,thepHvaluewas3.0,thedosageofH2O2andFe2+were97.9and1.0mmol/Lrespectively,thereactiontimewas75min.Amongalltheabovefactors,H2O2dosagehadthegreatestinfluenceonCODremoval,theFeSO4dosagetooksecondplace,theinfluenceofthereactiontimewastheleast.Theexperimentprovedthat,Fentonreagenthadhigherremovalefficiencytohard-degradableorganicmatters,whichcouldbeusedandpopularizedasapretreatmentmethodforhard-degradableorganicmatter-containingwastewaterbeforethebiologicaltreatment.Keywords:Fenton;hard-degradableorganicmatter;epichlorohydrin;orthogonaltest·34·,,CO2H2O。Fenton,、、、。30a,[5-11]。。Fenton、pH、、FeSO4H2O2COD。。11.1MS-3COD,pH315i(WTW),THZ-82,WKYI,FA1004N。H2O2(30%)、FeSO4·7H2O、K2Cr2O7、。。1.21.2.1pH,。,30、40、50、60、70、80℃,pH=3.0;pH,pH1.5、2.0、2.5、3.0、3.5、4.0、4.5,70℃。H2O2、FeSO478.4、0.8mmol/L。100r/min60min,,pH7~8,60min,,5COD。1.2.2,(A)、FeSO4(B)、H2O2(C)33。pH70℃3.0,1。1.2.3CODCOD,HgSO4。1.3,,pH11.15,COD1755mg/L。22.1CODFenton。·OH,H2O2H2OO2。,。COD1。1,COD。30~60℃,COD,60℃,COD。Fenton,S.H.Lin[12]Fenton,30℃,,COD,FeSO4/H2O2。30℃,H2O2,COD。Basu[13]Fenton(),60℃,。[14]Fenton85℃。Ipek[15]25~70℃。,。,60℃。1Tab.1OrthogonaltestfactorlevelA/minB/(mmol·L-1)C/(mmol·L-1)1450.678.42600.897.93751.0117.51CODFig.1EffectoftemperatureonCODremoval2030405060708090/℃/%806040200:Fenton·35·INDUSTRIALWATER&WASTEWATERVol.40No.4Aug.,20092.2pHCODFe2+pH,Fenton,Fe2+H2O2·OH。,pH2~4。pHCOD2。2,pH2.5~3.5,。pH,Fe2+Fe(OH)2,Fe(OH)2Fe(OH)3,Fe2+H2O2Fe3+,Fe3+Fe(OH)3,Fe(OH)2、Fe(OH)3,,·OH,Fenton。,pH9.0[Fe(OH)4][16]。pH,[Fe(H2O)6]2+,[Fe(OH)(H2O)5]2+。H+[H3O2]+。,Fe2+[17]。,pH1.5~4.5COD,pH2.5~3.5,pH3.0。2.3、FeSO4、H2O2,Fenton。2。2,、FeSO4、H2O23,k1<k2<k3,FeSO4H2O2,COD。FeSO41.0mmol/L、H2O2117.5mmol/L、75min。9,。COD60.07%,959.77%0.3%,H2O21/5,,9。3Fenton,COD60%。Fenton:60℃,pH3.0,H2O297.9mmol/L,FeSO41.0mmol/L,75min,H2O2COD,FeSO4,。:[1].[J].,2005,18(S1):126-127.[2],.Fenton[J].,2006,26(4):62-65.[3],.-[J].,2001,2(6):50-56.[4].Fenton[J].,2008,39(1):27-30.[5],.TiO2[J].,1995,16(2):15-18.2Tab.2ResultoforthogonaltestA/minB/(mmol·L-1)C/(mmol·L-1)COD/%1450.678.446.122450.897.950.093451.0117.551.114600.697.943.715600.8117.558.926601.078.452.287750.6117.555.698750.878.443.599751.097.959.77k149.1148.5147.33k251.6450.8751.19k353.0254.3955.24R3.915.887.912pHCODFig.2EffectofpHvalueonCODremoval12345pH/%806040200(48)·36·INDUSTRIALWATER&WASTEWATERVol.40No.4Aug.,2009FA/MLSS0.1,。3(1),25d,NH3-N800~900mg/L,NH3-N、NO2--N、NO3--N380、335、100mg/L,NH3-N55%~60%,80%。(2),FA。,、FA,,。(3)NH3-N,FA,NO2--N,FA/MLSS。FA0.1。:[1].[J].,2002,28(7):23-28.[2].[J].,1997,(2):68-74.[3]SharmaB,AhlertRC.Nitrificationandnitrogenremoval[J].WatRes,1977,10(11):897-925.[4]SteinL,ArpDJ.Lossofammoniamonooxygenaseactivityinnitrosomonaseuropaeauponexposuretonitrite[J].AppliedEnvironMicro,1998,64(10):4098-4102.[5]YanyL,AllemanJE.Investigationofbatchwisenitritebuild-upbyanenrichednitrificationculture[J].WatSciTech,1992,26(5-6):997-1005.[6]HanakiK,WantawinC,OhgakiS.Nitrificationatlowlevelsofdissolvedoxygenwithandwithoutwrganicloadinginasuspended-growthreactor[J].WatRes,1990,24(3):297-302.[7],,,.[J].,2003,24(3):50-55.[8],.-SHARON-ANAMMOX[J].,2001,27(10):21-24.[9]VanDongen,JettenMSM,VanLoosedretchMCM,etal.Thesharon-anammoxprocessfortreatmentofammoniumrichwastewater[J].WatSciTech,2001,44(1):112-121.[10]BalmellB,DebeyP,AnderssonKK,etal.Studyoffactorscontrollingnitritebuild-upinbiologicalprocessesforwaternitrification[J].WatSciTech,1992,26(5-6):1017-1025.[11]SVillaverde.Nitrifyingbiofilmacclimationtofreeammoniainsubmergedbiofiltersstart-upinfluence[J].WatRes,2000,34(2):167-174.:(1963-),,,,,、,()0851-5573619()yaoxiaoyuan@vip.sina.com。(36)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![6],,,.Fenton-DSD[J].,2007,38(5):66-68.[7],,,.Fenton2-[J].,2008,39(3):41-44.[8],,,.Fe/Cu-Fenton[J].,2008,39(3):45-48.[9]JDRodgers,WJedral,NJBunce.Electrochemicaloxidationofchcorinatedphenols[J].EnvironSciTech,1999,33(9):1453-1457.[10]ZYDing,SNVKAki,MAAbraham.Catalyticsupercriticalwateroxidation:phenolconversionandproductselectivity[J].EnvironSciTech,1995,29(11):2748-2753.[11],,.Fenton[J].,2004,26(1):28-30.[12]SHLin,CCLO.Fentonprocessfortreatmentofdesizingwastewater[J].WatRes,1997,31(8):2050-2056.[13]SBasu,IWWei.Mechanismandkineticsofoxidationof2,4,6-trichlorophenolbyFenton'sreagent[J].Env
本文标题:Fenton试剂处理环氧氯丙烷生产废水研究李小林
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