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ID:34827521
大小:2.12 MB
页数:73页
时间:2019-03-11
《甲烷催化燃烧和长链烷烃脱氢催化剂的制备及性能研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、北京化工大学硕士学位论文甲烷催化燃烧和长链烷烃脱氢催化剂的制备及性能研究姓名:赵丽萍申请学位级别:硕士专业:化学工程指导教师:季生福20060606北京化工大学硕士研究生学位论文STUDYoNCATALYSTSFoRCATALYTICCoMBUSTIONoFMETHANEANDDEHYDRoGENATIoNoFLoNG.CHAINALKANEABSTRACTM0nolitlliccatalystsareuni_bodystructurescomposedofimercorulectedrepeating,regula
2、rcellsorchannels,onwhichtlleactiVecomponentsarecoated。Itcanbeusedinthehighexothemic/endomermiccouplingreaction,whichcanimproVegreanytheutilityofenergysources,aIldachievet11ethemalintegration,facili够integrationandprocessinte掣.ation.Inthisstudy,t11emetllallecatal
3、yticcombustionastheexo廿1emlicmodelreactionand廿1edehydrogenationofindustriallong广chainalkaIleas也eendotheHnicmodelreacti彻werein。并采用XRD、SEM、TPR等现代分析测试方法对催化剂进行了表征,采用微型反应器对催化剂的甲烷催化燃烧活性和热稳定性进行了评价。研究结果表明:催化剂的表面物相有C0304,0L—A1203和1,.A1203;催化剂表面形状和颗粒的大小因钴、镁摩尔比的Vely.The印p
4、ropriatemetallicmon01itlliccatalystsformemanecatalyticcombustionandsupportedcatalystsformedehydrogenationofindustriallong-chainalkanewereprepared.Thes仃uctureandtlleactiVi够ofthecatalystswereinvestigated.Theworkscanpr州demevaluabledatasfort11ecouplingreaction.北京化工
5、大学硕士研究生学位论文continuousflowmicmreactor.Theresultsindicatedthatttlesurf如ephaseswereC0304,a—A1203and丫-A1203,andmesurfaceshapea11dpaniclesizeofthecatalystsweredif-ferent、vit量lt11evarie妙ofthemolarratioofCotoMg.TheCocomponentofmeC01.。Mgxo/A1203/FeCrAlca切lystsplayedaIl
6、import觚troletotllecatalyticactiVityforⅡ1emethanecombustion.Andthecatalysts埘mx20.5hadthebeStactiVit),fort11emethanecatal)rticcombustionInt11esecatalystsmeMgcomponentcanpromotethet11ennalstabili够ofthecatalysts.Therewerestronginteractions锄ongmeCol-xM&0solids01utio
7、noxidesandtllemonolimicsupports.Intllehi曲endomemicreaction,thesupportedcatalystshavebeenpreparedincludingthesinglemetalliccatalysts,bimetalliccatalystsandtrimetalliccatalysts.ThecatalyticactiVityofmecatalystsformecombustionofmettlane、Va8eValuated.Andit’siInport
8、anttopreparethemetallicmon01itlliccatalystsfor协edehydrogenationofnClo-C13long—chainalkanes.KEYWoRDS:catalyticcombustionofmetllane,metallicmonoli也iccatalysts,xRD,SEM,TPR,dehy
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