Effect of Manganese Promoter on Cobalt Supported Magnesia Catalyst for Fischer-Tropsch Synthesis

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Abstract

Fischer-Tropsch synthesis (FTS) is a key performance in the gas-to-liquid (GTL) process. This research is focused on the effect of Mn promoter on cobalt supported MgO catalyst in Fischer Tropsch reaction. 30 wt.%Co/MgO (30CM) and 30 wt.%Co/MgO-x wt.%Mn (30CM-x%Mn) were synthesized as an unpromoted and a promoted catalyst, respectively. The effect of Mn promoter and its loading on physical and chemical properties of catalysts were investigated by BET, H2-TPR, H2-TPD and TPSR techniques. The catalytic performance of all catalysts was explored in FTS. The addition of Mn promoter deliberately promotes the FTS activity as well as selectivity towards long chain hydrocarbons in the range of diesel product. Mn promoter beneficially improves the cobalt dispersion and decorating cobalt surface. This behavior is elucidated that Mn is functionalized in term of structural and electronic promoter.

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Warayanon, W., Tungkamani, S., Sukkathanyawat, H., Phongaksorn, M., Ratana, T., & Sornchamni, T. (2015). Effect of Manganese Promoter on Cobalt Supported Magnesia Catalyst for Fischer-Tropsch Synthesis. In Energy Procedia (Vol. 79, pp. 163–168). Elsevier Ltd. https://doi.org/10.1016/j.egypro.2015.11.456

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