Effect of Ce-doping on catalysts derived from hydrotalcite-like precursors for COS hydrolysis-中国期刊网

摘要 InordertoinvestigatetheeffectofCe-dopingonthecatalystsderivedfromhydrotalcite-likeprecursorsforcarbonylsulfide(COS)hydrolysis,aseriesofZn-Ni-Al-Cehydrotalcite-likecompoundswerepreparedbyco-precipitationmethodandthecatalyticactivityoftheirderivedcompositeoxideswerestudiedat50oC.TheeffectonthestructuralpropertiescausedbyCedopingwasstudiedbytheX-raydiffractometer(XRD),scanningelectronmicroscopy(SEM)andenergydispersivespectrometer(EDS).ThecatalyticactivitiesresultsshowedthatadditionofCeenhancedthecatalyticactivitiessignificantly,butexcessiveCe-dopinghadanegativeeffectonCOShydrolysis.XRD,SEMandEDSresultsillustratedthat,comparedwiththeCe-freesample,theparticlesizeofoxidesolidsdecreasedandthedegreeofdispersionincreasedduetoCedoping.

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Effect of Ce-doping on catalysts derived from hydrotalcite-like precursors for COS hydrolysis

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Effect of Ce-doping on catalysts derived from hydrotalcite-like precursors for COS hydrolysis

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