%0 Journal Article
%T EffectofHydrohalogenationofPtRe/H-ZSM-5forCyclohexeneConversion
%A Sameh M. K. ABOUL-FOTOUH
%A Noha A. K. ABOUL-GHEIT
%J ´ß»¯Ñ§±¨
%P 697-705
%D 2012
%R 10.1016/S1872-2067(11)60372-0
%X £¿ExtendeduseofsupportedPtcatalystscausesthermalmigrationofPtparticlestoformlargeagglomerates,thusdecreasingthecatalyticactivity.ThecombinationofPtwithReprotectsPtagainstmigration.Inaddition,Cl-injectionintothereactorassistsPtparticlesredispersiontoprolongcatalystlife.Inthiswork,aPtRe/H-ZSM-5catalystwastreatedwitheitherHClorHFtoinvestigatetheirroleinactivatingordeactivatingthecatalyst.Theconversionexceeded90%inthewholetemperaturerangewiththePtRe/H-ZSM-5(HCl)catalyst,anditsactivityforthedirectisomerizationofcyclohexenetomethylcyclopentenes(MCPEs)wasthelowestbuttheactivityforthehydrogenationoftheMCPEstomethylcyclopentanewasthehighest.ThereactivitiesofMCPEsandcyclohexadienesonthecatalystsweresimilarbecausebotharedehydrogenationreactions.Benzeneproductionwassignificantlyhigheronthehydrochlorinatedcatalystthanontheothercatalysts,anditshydrocrackingactivitywasthelowest,whichisagoodcharacteristicforprocessingcatalystswherecrackingisundesired.
%U http://www.chxb.cn/CN/abstract/abstract20685.shtml