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On Efficiency of Vanadium-Oxide Promoter in Cobalt Fischer-Tropsch Catalysts

  • CATALYSIS IN CHEMICAL AND PETROCHEMICAL INDUSTRY
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Abstract

Promoters and their loading amount have crucial roles in cobalt Fischer-Tropsch catalysts. In this regard, the effects of vanadium oxide (V2O5) as a proposed promoter for Co catalyst supported on TiO2 have been investigated. Three catalysts with 0, 1, and 3 wt % of V2O5 promoter loading are prepared by the incipient wetness impregnation method, and characterized by the BET surface area analyzer, XRD, H2-TPR, and TEM techniques. The fixed-bed reactor was employed for their evaluations. It was found that the catalyst containing 1 wt % V2O5 has the best performance among the evaluated catalysts, demonstrating remarkable selectivity: 92% C5+ and 5.7% CH4, together with preserving the amount of CO conversion compared to the unpromoted catalyst. Furthermore, it is reported that the excess addition of V2O5 promoter (>1 wt %) in the introduced catalyst leads to the detrimental effect on the CO conversion and C5+ selectivity, mainly owing to diminished active sites by V2O5 loading.

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Authors and Affiliations

  1. Gas Research Division, Research Institute of Petroleum Industry, 1485733111, Tehran, Iran

    Elham Yaghoobpour, Yahya Zamani, Saeed Zarrinpashne & Akbar Zamaniyan

Authors
  1. Elham Yaghoobpour
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  2. Yahya Zamani
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  3. Saeed Zarrinpashne
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  4. Akbar Zamaniyan
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Correspondence to Elham Yaghoobpour, Yahya Zamani, Saeed Zarrinpashne or Akbar Zamaniyan.

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Elham Yaghoobpour, Zamani, Y., Zarrinpashne, S. et al. On Efficiency of Vanadium-Oxide Promoter in Cobalt Fischer-Tropsch Catalysts. Catal. Ind. 13, 161–167 (2021). https://doi.org/10.1134/S2070050421020124

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