您好,欢迎访问三七文档
当前位置:首页 > 行业资料 > 冶金工业 > 粉煤灰基催化剂深度处理印染废水的研究袁淼卉
1,2(1.,215011;2.,215011):。O3、、pH、,:O3pH。:O340%(9.22mg/L),4g,pH6.5,60min;COD41.44%73.87%,98%。。:;;:X7:B:1674-4829(2011)05-0018-040,、,。,,。、、[1-2],。,、,,[3-5]。,。,;,,,,。11.1:KT-OZ-3G;LZB-4;SZCL-4B:2011-07-29:(1970-),,,,,.StudyonAdvancedTreatmentofPrintingandDyeingWastewaterbyFlyAshSupportedCatalystsYUANMiao-hui,LIUYong-jianAbstract:Advancedtreatmentofprintinganddyeingwastewaterbyflyashsupportedcatalystsozonationwasstudied.Orthogonalarrayexperimentsweredesignedtostudythedifferentdegreeofimpactonthetreatmenteffect.Theresultwas:O3volumefractionpHcatalystdosagereactiontime.Itwasfoundbysingle-factorexperimentsthatthebestexperimentalconditionswereasfollows:O3volumefractionwas40%ofoutput(massconcentrationwas9.22mg/L),catalystdosagewas4g,pHwas6.5,reactiontimewas60min.Inthiscondition,theCODremovalrateincreasedto73.87%from41.44%oftheseparateozoneoxidation,chromaremovalratereached98%.Theindicatorsreachedtheprintinganddyeingwastewaterreuserequirements.Keywords:Flyashsupportedcatalysts;Catalystsozonation;Printinganddyeingwastewater245201110EnvironmentalScienceandTechnologyVol.24No.5Oct.2011245;DZF-6020;SXL-1313;Vis7200;PHB-8PH;JY3002;800。:(ρ(COD)=88.8mg/L,pH=6.5);;;Ni(NO3)2,Ce(NO3)3,H2SO4,NaOH,KI,Na2S2O3。1.2,NiO、CeO2,。,85~95℃1h,24h,,,80℃4h,。Ni(NO3)2Ce(NO3)3,15h,80℃4h,,300℃2h,。1.3(50mm,70mm),,。,,,,。1。O3,O3O3,O3。25L/h,500mL,pH。,。,,COD,,。22.1,4,:O3(C)、(B)、pH(A)(D)。3,1。2。2CODCABD。。:40%,4g,pH6.5,60min。2.2O3O3,O3。O3O3,30%,35%,40%,45%,3.56,5.84,9.22,12.20mg/L。O3,2g,pH(pH=6.5),60min,20min1,COD,COD。2。2,O340%,9.22mg/L,COD71.81%,;O31.;2.;3.;4.;5.;6.;7.11234756ApHB/gC/%D/min12336.51012435404520406012123456789K1K2K337.0966.3384.0570.7663.6761.9049.5042.4155.70COD/%3336.56.56.510101062.49065.44349.20316.240A12412412452.45057.47067.21714.76B35404540453545354047.13364.26365.74018.607C20406060204040602052.15359.24365.74013.587D19201110,COD,O3。,O340%,9.22mg/L。2.3pHO3pH,pHO3,pH。O340%,4g,60min,20min,pH3,6.5(pH),10,13,COD,COD。3。3,pH=13COD,pH=6.5,,。pH,COD;,COD。[6],,pH;pH6.0,,·OH,,。pHpH,,pH,4,6.57.75。pH7,[7-8],,COD。,、,,pH(pH=6.5)。2.4,。60min,40%(9.22mg/L),pH(pH=6.5),1,2,3,4,5g,COD,COD。5。5,,,4g,。,,·OH,,;,,·OH,,;,,,,。4g。2O33pH4pH5807060504030201000204060t/minφ(O3)30%φ(O3)35%φ(O3)40%φ(O3)45%COD/%807060504030201000102030405060t/minpH=3pH=6.5pH=10pH=13COD/%1086420pH0102030405060t/min012345COD/%80706050403020100/g202453/%ρ(COD)/(mg·L-1)88.823.7873.22pH6.57.75-/110298.1876t/min80706050403020100020406080100COD/%2.5,。,。COD,40%(9.22mg/L),4g,pH(pH=6.5),10,20,30,40,50,60,70,80,90minCOD,COD。6。6,60min,,COD;60min,,COD;60min,ρ(COD)24.65mg/L。,60min。2.6,:40%(9.22mg/L),pH=6.5(pH),4g,60min。,3,。2.7,、+、、+COD,。,40%(9.22mg/L),4g,pH(pH=6.5),60minCOD,COD。7。7,COD:++。COD,10%,。+COD,,15%,。COD2,41%。COD,COD74%,COD33%;。2COD,COD+;2,。。3(1)COD:pH。(2):40%(9.22mg/L),pH=6.5(pH),4g,60min。(3),COD、+,。(4),,。[][1],,,.[M].:,2002:242-276.80706050403020100++COD/%(25)21245[2],.[J].,2009,22(S1):17-18.[3]ERNSTM,LOUROTF,SCHROTTERJ.Cata1yticozonationofrefractoryorganicmodelcompoundsinaqueoussolutionbyaluminumoxide[J].AppliedCatalysisB:Environmental,2004(47):15-25.[4],,.O3/UV[J].,2009,22(2):5-8.[5]RUIC,MARTINS,RQSAM,etal.Phenolicwastewatersdepurationandbiodegradabilityenhancementbyozoneoveractivecatalysts[J].Desalination,2011(270):90-97.[6],,,.TiO2//UV[J].,2010,23(1):19-23.[7],,.[J].,2004,24(11):16-19.[8],,.[M].:,2004:67-98.(),。,20~25℃。4(1)SDBSR。SDBS8.00mmol/L,R,SDBS8.00mmol/L。(2)RpH,pH10。(3),,SDBS,R、SDBS,0.15MPa。(4)。,。(5),,20~25℃。,10mg/L84.7%。[][1],,,.[J].,2002,13(5):625-628.[2]KolpinDW,BarbashJE,GilliomRJ.0ccurrenceofpesti-cidesinshallowgroundwateroftheUnitedStates:Initialre-sultsfromtheNationalWater-QualityAssessmentProgram[J].Environ-mentalScienceandTechnology,1998,32(5):558-566.[3].[J].,2008,21(S2):30-31.[4]KonstantinouIK,SakellaridesTM,SakkasVA,eta1.Photocatalyticdegradationofselecteds-trazineherbicidesandorganophosphorusinsecticideoveraqueousTiO2sus-pensions[J].EnvironSciTechnol,2001,35(2):398-405.[5],,,.UV[J].,2006,27(6):1144-1149.[6]ZwienerC,WeilL,NiessenerR.Atrazineandparathion-methylremovalbyUV/O3indrinkingwatertreatment[J].In-ternJEnvironAnalChem,1995,58(1-4):247-264.[7],,.[J].,2007,7(4):2-5.[8],.A[J].,2006,27(2):294-298.[9]MichaelsAS.Progressinseparationandpurification[M].NewYork:Wiley-Interscience,1968.()(21)25
本文标题:粉煤灰基催化剂深度处理印染废水的研究袁淼卉
链接地址:https://www.777doc.com/doc-6560971 .html