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1、CatalysisCommunications10(2009)1506–1509ContentslistsavailableatScienceDirectCatalysisCommunicationsjournalhomepage:www.elsevier.com/locate/catcomMethanoltopropylene:EffectofphosphorusonahighsilicaHZSM-5catalystJianLiu,ChenxiZhang,ZhenhaoShen,WeimingHua,YiTang,WeiShen,YinghongYue,Hualon
2、gXuDepartmentofChemistry,ShanghaiKeyLaboratoryofMolecularCatalysisandInnovativeMaterialsandLaboratoryofAdvancedMaterials,FudanUniversity,Shanghai200433,PRChinaarticleinfoabstractArticlehistory:ModifiedhighsilicaHZSM-5catalystshavebeenusedtoselectivelytransformmethanoltopropyleneReceived3
3、1December2008(MTP).TheHZSM-5catalystwithaSi/Alratioof220exhibitedsatisfyingcatalyticperformance(spaceReceivedinrevisedform2April2009timeyieldofpropyleneisupto18mmol/gh).TheselectivityofpropylenecanbeobviouslyaffectedbyAccepted4April2009additives.Pleadstoapronouncedimprovementofpropylene
4、selectivityupto55.6%withcompletecon-Availableonline12April2009versionofmethanol.Theenhancementofpropyleneselectivityandcatalyticlifecanbeattributedtopar-tialeliminationofthestrongacidsitesontheHZSM-5catalyst.Keywords:Ó2009ElsevierB.V.Allrightsreserved.MethanolPropyleneHighsilicaHZSM-5Pr
5、omotersPhosphorusMethanoltopropylene(MTP)1.Introductionandincreasedtheyieldoflightalkenesfrommethanol.Abubakaretal.[16]reportedthatentrainedphosphateisanimpedimenttoInmodernpetrochemicalindustry,propyleneservesasanstericallydemandingreactionsofmethanolconversion.Kaarsholmessentialfeedst
6、ockfortheproductionofvariouspolypropyleneetal.[17]investigateddeactivationandproductdistributionofMTOplastics,acrylonitrile,propyleneoxideandmanyothercommodityprocessoverphosphorousmodifiedHZSM-5catalyst,onwhichpro-chemicalsthatcanbeusedassubstitutesfornon-plasticmaterialspyleneselectivi
7、tyreachedabout40%.However,therearefewre-suchaspaper,steelandwood.AndsofaritsmarketdemandhasportsconcerningtheMTPprocess[18].Littleresearchexistsinthebeenincreasingsteadily.Propylene,however,hasalwaysbeenpro-effectofphosphorousontheselectiveconversionofmethanoltoaducedasthebypro
