在负载型Pd、Pt催化剂上苯酚水相加氢脱氧实验研究-豆柴文库

您所在位置：网站首页 / 在负载型Pd、Pt催化剂上苯酚水相加氢脱氧实验研究.docx / 文档详情

在线预览结束，喜欢就下载吧，查找使用更方便

5 金币

下载文档

/ 3

下载提示

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

文本预览

在负载型Pd、Pt催化剂上苯酚水相加氢脱氧实验研究
摘要：
本研究通过实验探究了负载型Pd、Pt催化剂在苯酚水相加氢脱氧反应中的催化性能。实验结果表明Pd、Pt催化剂均可催化苯酚水相加氢脱氧反应，并且在不同反应条件下具有不同的催化活性和选择性。同时，本实验还对反应条件进行了优化，并将实验结果与先前的研究进行了比较。本研究有望为进一步研究催化剂的开发提供参考。
关键词：催化剂；苯酚；加氢脱氧；选择性；催化活性
Abstract:
Inthisstudy,thecatalyticperformanceofPdandPt-supportedcatalystsinthephenolaqueousphasehydrogenationdeoxygenationreactionwasinvestigatedbyexperiments.TheresultsshowedthatbothPdandPtcatalystscancatalyzephenolaqueousphasehydrogenationdeoxygenationreaction,andtheyhavedifferentcatalyticactivityandselectivityunderdifferentreactionconditions.Atthesametime,thereactionconditionswereoptimized,andtheexperimentalresultswerecomparedwithpreviousstudies.Thisstudyisexpectedtoprovidereferenceforfurtherresearchanddevelopmentofcatalysts.
Keywords:catalyst;phenol;hydrogenationdeoxygenation;selectivity;catalyticactivity
Introduction:
Phenoliswidelyusedinthechemicalindustry,butitstoxicityandenvironmentalpollutionmakeitoneofthemostconcernedpollutants.Thecatalytichydrogenationdeoxygenationofphenolisapromisingmethodforthepreparationofvalue-addedchemicals,suchascyclohexanone,cyclohexanol,andphenylcyclohexane.Thereactioncanbecarriedoutundermildconditionswithhighyieldsandselectivity.
Catalystsarekeyfactorsinhydrogenationdeoxygenationreactions.PdandPt-supportedcatalystsarewidelyusedduetotheirhighactivityandselectivity.However,thecatalyticperformanceofPdandPt-supportedcatalystsinphenolaqueousphasehydrogenationdeoxygenationreactionstillneedstobefurtherinvestigated.
Inthisstudy,PdandPt-supportedcatalystswereusedinphenolaqueousphasehydrogenationdeoxygenationreaction,andtheeffectsofdifferentreactionconditionsonthecatalyticperformancewereinvestigated.
Experimental:
Materials:
Phenol(AR),Pd/C(20wt.%),Pt/C(20wt.%),andhydrogenwerepurchasedfromTCI(Shanghai)DevelopmentCo.,Ltd.
Instrumentation:
Thereactionwascarriedoutinahigh-pressurereactorwithastirringsystemat150℃and4MPa.ThereactionproductswereanalyzedbyGC-FIDonaShimadzuGC-2010PlusgaschromatographequippedwithanHP-5column.
PreparationofCatalys