Abstract
In this work, Fe and Co were introduced into a KL zeolite support by incipient wetness impregnation to obtain catalysts for the Fischer–Tropsch synthesis (FTS). The samples were analyzed by several techniques including atomic absorption spectroscopy (AAS), N2 adsorption, X-ray diffraction (XRD), H2-temperature programmed reduction (TPR) and transmission electron microscopy (TEM). The catalytic performance for the FTS was tested with a fixed bed reactor. The particle size distribution of the samples was estimated by TEM microphotographs and showed that the diameters of the iron and cobalt particles were ~ 6 nm and 8–20 nm, respectively. The catalyst with the higher percentage of iron promoted the highest CO conversion, and the distribution of the products was shifted to light fractions. The iron-based catalysts were more active than cobalt in the CO conversion, but the latter yielded a higher content of hydrocarbons with 5 and more carbons.
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The authors gratefully acknowledge NUCAT from COPPE/UFRJ to the technical support.
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da Silva, J.F., Bragança, L.F.F.P.G. & da Silva, M.I.P. Catalytic performance of KL zeolite-supported iron and cobalt catalysts for the Fischer–Tropsch synthesis. Reac Kinet Mech Cat 124, 563–574 (2018). https://doi.org/10.1007/s11144-018-1388-y
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DOI: https://doi.org/10.1007/s11144-018-1388-y