教师招聘考试判断题300道专项

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

O3/TiO2/Al2O3杨德敏1,2,3,袁建梅4(1.,400042;2.,400042;3.,400042;4.,610500)[]-Al2O3TiO2,COD,、、pHO3/TiO2/Al2O3COD。:O3、O3/TiO2,O3/TiO2/Al2O3COD,pHTiO2/Al2O3;3.75g/L,80mg/L,pH9.4,25min,COD92.35%,COD890mg/L68mg/L,《》(GB8978—1996)。[];;;TiO2/Al2O3[]X703.1[]A[]1005-829X(2014)06-0069-04ExperimentalstudyonthetreatmentofdrillingwastewaterbyO3/TiO2/Al2O3processYangDemin1,2,3,YuanJianmei4(1.ChongqingEngineeringResearchCenterforShaleGasResource&Exploration,ChongqingInstituteofGeologyandMineralResources,Chongqing400042,China;2.KeyLaboratoryforShaleGasResource&Exploration,DepartmentofLandandResources,ChongqingInstituteofGeologyandMineralResources,Chongqing400042,China;3.ChongqingShaleGasResearchCenterofStateKeyLaboratoryofPetroleumResourceandProspecting,Chongqing400042,China;4.SchoolofChemistryandChemicalEngineering,SouthwestPetroleumUniversity,Chengdu610500,China)Abstract:Improvedsol-gelhasbeenusedforpreparingTiO2heterogeneouscatalystwhichusesAl2O3asitscarrier.DrillingwastewaterCODastargetdegradationproducts,theeffectsofcatalystdosage,ozoneconcentration,pHandreactiontimeonCODremovalbyO3/TiO2/Al2O3catalyticoxidationareinvestigated.TheresultsshowthatcompariedwithO3andO3/TiO2treatmentprocessesseparately,thewastewaterCODremovingrateisgreatlyimprovedbyO3/TiO2/Al2O3process,andalkalicpHenvironmentisgoodforcarryingontheTiO2/Al2O3catalyticozonationprocess.Undertheconditionsasfollows:thecatalystdosageis3.75g/L,ozonemassconcentration80mg/L,andpH9.4,andafter25minofreactiontime,theCODremovingratecanreach92.35%,wastewaterCODdecreasesfrom890mg/Ltoabout68mg/L,meetingthefirstclassrequirementsofWastewaterComprehensiveDischargeStandard(GB8978—1996).Keywords:drillingwastewater;heterogeneouscatalysticozonation;ozone;TiO2/Al2O3、,、、、、、〔1〕。,、,、,〔2-5〕。,、。,[](cstc2013yykfA20002);(CQGT-KJ-2012-6)34620146IndustrialWaterTreatmentVol.34No.6Jun.,201469。(MnO2、TiO2、Al2O3)、(Cu/Al2O3、Fe2O3/Al2O3、Ru/CeO2、V-O/TiO2/Al2O3),、·OH,〔6〕。,、、、、、、、〔7-8〕。,〔9-11〕,、、。、、、Al2O3,-TiO2,TiO2/Al2O3,TiO2/Al2O3,、、pH,O3/TiO2/Al2O3,。11.1:,CP,;、、、、、(98%),,;Al2O3,。,:COD890mg/L,4.5mg/L,0.38mg/L,SS130mg/L,pH8.5。(99.99%,),CFJ-5(),。-,。1.2-〔12-13〕。10mL10mL100mL,6mL,,,,。4mL,;10gAl2O3,,。100℃24h,、。550℃,4h,TiO2/Al2O3。1.31。50mm、600mm、500mL。,。,pH500mLTiO2/Al2O3,,。(,),、。25min,7.5L/min,80mg/L,2%KI。TiO2/Al2O3、、。,(5min)。pHpHS-3CpH(),COD(GB11914—1989)〔14〕。122.1CODpH9.4,20℃,80mg/L,25min,O3、O3/2014-06,34(6)70TiO2O3/TiO2/Al2O3(,TiO2TiO2/Al2O33.75g/L)3COD,2。2COD2,25min,O3/TiO2/Al2O3COD92.35%,、O3/TiO2,34.92%13.36%。TiO2/Al2O3,·OH,。3,O3/TiO2/Al2O3COD。2.2,,。pH9.4,20℃,80mg/L,25min,TiO2/Al2O3COD,3。3COD3,25min,1.25mg/L3.75mg/L,COD,54.95%、70.09%、92.35%。,,,,·OH,。3.75mg/L5.00mg/L,COD83.54%,COD。·OH,·OH,·OH,COD。,3.75mg/L。2.3pH9.4,20℃,TiO2/Al2O33.75g/L,25min,COD,4。4COD4,,COD,80mg/L,COD,92.35%,,COD。,,·OH;,·OH,·OH,COD。80mg/L。2.4pH,pH,2———,pH〔7〕。20℃,TiO2/Al2O33.75g/L,80mg/L,25min,pHCOD,5。2014-06,34(6),:O3/TiO2/Al2O3715pHCOD5,pH,COD,pH9.4,COD,92.35%;pH,COD。pH·OH,,,pHO3·OH·O2-,pH·OH。,9.4pH。2.5pH9.4,20℃,TiO2/Al2O33.75g/L,80mg/L,COD,6。6COD6,,COD,25min,COD92.35%,,COD。,25min。3TiO2/Al2O3,TiO2/Al2O33.75g/L,80mg/L,pH9.4,25min,COD92.35%,COD890mg/L68mg/L,《》(GB8978—1996)。O3/TiO2/Al2O3。[1],,,.[J].,2002,19(4):387-390.[2],,,.[J].,2006,26(11):90-92.[3],,,.[J].,2006,19(4):42-46.[4],,.-[J].,2007,7(4):718-722.[5],,.[J].,2007,36(4):341-343.[6].[D].:,2007.[7]Kasprzyk-HordernB,ZiófekM,NawrockiJ.Catalyticozonationandmethodsofenhancingmolecularozonereactionsinwatertreat-ment[J].AppliedCatalysisB:Environmental,2003,46(2):639-669.[8]HammadKM,JungJY.OzonationcatalyzedbyhomogeneousandheterogeneouscatalystsfordegradationofDEHPinaqueousphase[J].Chemosphere,2008,72(4):690-696.[9]ZhangTao,LiChunjuan,MaJun,etal.Surfacehydroxylgroupsofsyntheticα-FeOOHinpromoting·OHgenerationfromaqueousozone:Propertyandactivityrelationship[J].AppliedCatalysisB:Environmental,2008,82(1/2):131-137.[10]ZhangTao,LuJinfeng,MaJun,etal.Comparativestudyofozona-tionandsyntheticgoethite-catalyzedozonationofindividualNOMfractionsisolatedandfractionatedfromafilteredriverwater[J].WaterResearch,2008,42(6/7):1563-1570.[11]RosalR,RodrguezA,GonzaloMS,etal.Catalyticozonationofnaproxenandcarbamazepineontitaniumdioxide[J].AppliedCatalysisB:Environmental,2008,84(1/2):48-57.[12]KanekoEY,PulcinelliSH,TeixeiradaSilvaY,etal.Sol-gelsyn-thesisoftitania-aluminacatalystsupports[J].AppliedCatalysisA:General,2002,235(1/2):71-78.[13],,,.TiO2/Al2O3[J].:,2005,21(6):12-18.[14],,,./[J].,2006,57(12):2964-2969.——————————[](1986—),。:13667610801,E-mail:yangdemin8628@163.com。[]2014-03-03()2014-06,34(6)72

1 / 27
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功