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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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studyoniron-manganesecatalystsforfischer-tropschsynthesis
, PP. 550-557
Keywords: iron-manganesecatalyst,catalyticperformance,operationalconditions,fischer-tropschsynthesis
Abstract:
？iron-manganesecatalystswerepreparedbyco-precipitationmethod.characterizationofcatalystswascarriedoutbyusingx-raydiffraction(xrd),scanningelectronmicroscopy(sem),temperatureprogramreduction(tpr),n2adsorption-desorptionmeasurements.theresultsfromcatalyticperformancetestsinfischer-tropschsynthesisshowedthattheiron-manganesecatalystsaresupersensitivetocatalystcompositionandmaterialssource.itwasfoundthatc2～4lightolefinsincreasedwhilech4andco2decreasedbyusingiron-manganesecatalystpreparedfromiron(ⅱ)sulfate(acatalyst).theactivityandselectivityofacatalystwasstudiedindifferentoperationalconditions.theresultsshowedthatthebestoperationalconditionsforc2～4lightolefinsproductionwereh2/co=1/1(ghsv=2400h-1)at260℃under0.3mpatotalpressure.
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