Bimetallic Cobalt Catalysts for the Synthesis of Hydrocarbons from CO and H<sub>2</sub>

Лапидус, А. Л.; Tsapkina, M. V.; Krylova, A. Yu.; Tonkonogov, B. P.

doi:10.1002/chin.200606273

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“…Promoters such as Pd, Pt, Re, and Ru are added to the Co catalysts to facilitate better reduction of Co as it has strong interaction with Al 2 O 3 than other supports [12,13]. It is reported by many researchers that Pd promoter enhances adsorption sites for H 2 on Co catalyst and thus increasing the hydrogenation rate in FT synthesis [14][15][16]. Guczi et al [17] showed that Pd as a promoter to Co/SiO 2 increased the relative fraction of alkanes in FT synthesis reaction.…”

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confidence: 99%

Fischer–Tropsch synthesis over Pd promoted cobalt based mesoporous supported catalyst

Gupta

Mahato

Gupta

et al. 2021

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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The present study focuses on the catalytic conversion of syngas (CO + H2) through Fischer–Tropsch (FT) route using two identically prepared 0.1 wt.% palladium promoted Mesoporous Alumina (MA) and SBA–15 supported Co (15 wt.%) catalysts. The Fischer–Tropsch activity is performed in a fixed bed tubular reactor at temperature 220 °C and pressure 30 bar with H2/CO ratio ~2 having Gas Hourly Space Velocity (GHSV) of 500 h−1. Detail characterizations of the catalysts are carried out using different analytical techniques like N2 adsorption-desorption, Temperature-programmed reduction with hydrogen (H2-TPR), Temperature-programmed desorption with NH3 (NH3-TPD), X-Ray Diffraction (XRD), and Transmission Electron Microscopy (TEM). The results show that the SBA–15 supported catalyst exhibits higher C6–C12 selectivity (57.5%), and MA supported catalyst facilitates the formation of higher hydrocarbons (C13–C20) having a selectivity of 46.7%. This study attributes the use of both the support materials for the production of liquid hydrocarbons through FT synthesis.

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