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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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PreparationofaNickelMolybdenumCarbideCatalystandItsActivityintheDryReformingofMethane
DOI: 10.1016/S1872-2067(10)60185-4, PP. 771-776
Keywords: catalystactivation,catalystselectivity,fuel,dryreforming,methane
Abstract:
？NickelmolybdenumcarbidecatalystswerepreparedandtheiractivitiesintheCO2reformingofmethaneatalowCO2/CH4reactantratiowereinvestigatedusingamicroreactoratatmosphericpressureandat973K.TheeffectofthecatalystpreparationmethodandtheNi/MoratioontheincreaseincatalystlifeandthepromotionofcatalyticactivitywereinvestigatedusingN2adsorption,X-raydiffraction,temperature-programmedcarburization,temperature-programmedreaction,andareformingreaction.The25Ni75Mocatalystthatwascarburizedat813Kexhibitedthehighesthydrogenformationabilityandgavetheleastcarbondeposition.TheincompletecarburizationoftheMooxidespeciesinthecatalystthatwascarburizedatalowertemperaturegraduallygaveamoreactivecarburizedspecies.TheNiMoOxCyinthecatalystwasmoreactiveinhydrogenformationduringthedryreformingofmethanewhileβ-Mo2Candη-Mo3C2werelessactive.
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