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Issue 103, 2016
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Study on Fe–Co alloy role over RANEY® Fe–Co bimetallic catalysts in Fischer–Tropsch synthesis

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Abstract

To further understand the role of Fe–Co alloys in Fischer–Tropsch synthesis, a series of RANEY® Fe–Co mono/bimetallic catalysts were prepared through alkali leaching solidified Fe–Co–Al alloy. There are three advantages about these catalysts: (i) RANEY® structure can provide certain surface area for catalytic reaction; (ii) these catalysts avoid the influence of the metal–support interaction due to the absence of support; (iii) the composition of active phase can be determined easily. The FT results showed that not all the Fe–Co alloy could enhance the C5+ selectivity, only when the ratio of Fe/Co is 3 : 7 can C5+ selectivity be promoted effectively. Besides, we also found that Fe–Co alloy did not show intended synergy effects on the FT activity, instead, Co-dominant catalysts exhibited a higher CO conversion.

Graphical abstract: Study on Fe–Co alloy role over RANEY® Fe–Co bimetallic catalysts in Fischer–Tropsch synthesis

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Publication details

The article was received on 12 Sep 2016, accepted on 10 Oct 2016 and first published on 10 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA22785F
Citation: RSC Adv., 2016,6, 101683-101687
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    Study on Fe–Co alloy role over RANEY® Fe–Co bimetallic catalysts in Fischer–Tropsch synthesis

    Y. Zhai, Y. Xue, Z. Chen, M. Chen, B. Wang and J. Chen, RSC Adv., 2016, 6, 101683
    DOI: 10.1039/C6RA22785F

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