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کاتالیزور کاربردی a: عمومی 2012
جزئیات رویداد
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  • catalytic conversion of syngas to mixed alcohols over zn-mn promoted cu-fe based catalyst

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1200
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     zn-mn promoted cu-fe based catalyst was synthesized by the co-precipitation method. mixed alcohols synthesis from syngas was studied in a half-inch tubular reactor system after the catalyst was reduced. zn-mn promoted cu-fe based catalyst was characterized by sem-eds, tem, xrd, and xps. the liquid phase products (alcohol phase and hydrocarbon phase) were analyzed by gc–ms and the gas phase products were analyzed by gc. the results showed that zn-mn promoted cu-fe based catalyst had high catalytic activity and high alcohol selectivity. the maximal co conversion rate was 72%, and the yield of alcohol and hydrocarbons were also very high. cu (1 1 1) was the active site for mixed alcohols synthesis, fe2c (1 0 1) was the active site for olefin and paraffin synthesis. the reaction mechanism of mixed alcohols synthesis from syngas over zn-mn promoted cu-fe based catalyst was proposed. zn-mn promoted cu-fe based catalyst can be regarded as a potential candidate for catalytic conversion of biomass-derived syngas to mixed alcohols.

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