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Enhancement of the Fischer–Tropsch process for producing long-chain hydrocarbons on a cobalt–alumina–silica gel catalyst

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Abstract

The effects of the H2/CO ratio, pressure, temperature, and the reaction-gas recycle ratio on the selectivity for hydrocarbons (HCs), including long-chain C35+ HCs, in the Fischer–Tropsch synthesis over a supported industrial cobalt–silica gel catalyst have been studied. The synthesis parameters have been as follows: a pressure of 2.0 or 6.0 MPa, an H2/CO ratio of 1–5, a recycle ratio of 2–6, a temperature of 150–240°C, and a gas hourly space velocity of 1000 h−1. It has been shown that gas recycling provides thermal stability in the catalyst bed, significantly increases the yield of C35+ HCs, and makes it possible to control the group and fractional composition of the synthesis products.

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Authors and Affiliations

  1. South Russian State Polytechnic University (NPI), Novocherkassk, Rostov oblast, Russia

    A. P. Savost’yanov, G. B. Narochnyi, R. E. Yakovenko, S. A. Mitchenko & I. N. Zubkov

  2. Litvinenko Institute of Physico-Organic Chemistry and Coal Chemistry, Donetsk, Ukraine

    S. A. Mitchenko

Authors
  1. A. P. Savost’yanov
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  2. G. B. Narochnyi
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  3. R. E. Yakovenko
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  4. S. A. Mitchenko
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  5. I. N. Zubkov
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Corresponding author

Correspondence to R. E. Yakovenko.

Additional information

Original Russian Text © A.P. Savost’yanov, G.B. Narochnyi, R.E. Yakovenko, S.A. Mitchenko, I.N. Zubkov, 2018, published in Neftekhimiya, 2018, Vol. 58, No. 1, pp. 80–89.

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Savost’yanov, A.P., Narochnyi, G.B., Yakovenko, R.E. et al. Enhancement of the Fischer–Tropsch process for producing long-chain hydrocarbons on a cobalt–alumina–silica gel catalyst. Pet. Chem. 58, 76–84 (2018). https://doi.org/10.1134/S0965544118010139

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  • DOI: https://doi.org/10.1134/S0965544118010139

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