Sputtered nano-cobalt on H-USY zeolite for selectively converting syngas to gasoline-中国期刊网

摘要 SelectivelyconvertingCOandH2togasolineproduct(isoparaffinandolefin)inonestepstillremainsagreatchallenge.WedemonstrateeffectiveH-USYzeolitesupportednano-cobaltbifunctionalcatalystsforthiscatalyticreaction,whicharepreparedbythenovelphysicalsputteringprocess.Particlesofthesputteredcobaltexistinnano-levelandarewell-dispersedonacidUSYzeolite.Easyactivationoftheloadednano-cobaltisalsoachievedinalow-temperaturehydrogenreductionatmosphere.Inthetandemcatalyticreaction,thesputteredbifunctionalCo/USYcatalystexhibitsamuchhigherCOconversionandhigherisoparaffinselectivitythantheconventionalimpregnatedone.ComparedwithH-Mor,H-Betaandotherzeolitessupportedcatalysts,H-USYzeolitesupportedcobaltcatalystshowstheclearestpromotionaleffectontheactivityofFischerTropschsynthesis.Thedescribedsynthesishereinprovidesanewpathwaytosolvetheproblemcausedbythestrongmetal-supportinteraction(MSI)inheterogeneouscatalysis.

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Sputtered nano-cobalt on H-USY zeolite for selectively converting syngas to gasoline

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Sputtered nano-cobalt on H-USY zeolite for selectively converting syngas to gasoline

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