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Improving the Technological Scheme of Isolation of Butane–Butylene Fraction by Chemisorption Using Tubular Turbulent Apparatus

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Abstract

The butadiene and butane–butylene fraction are products of separation of the butylene–butadiene fraction (BBF) by chemisorption. Butadiene is a diene monomer for the production of elastomers and plastics. The butane–butylene fraction is used as a feedstock for various petrochemical processes, in particular, for the preparation of C4 oligomeric products and methyl tert-butyl ether. A residual content of butadiene in the butane–butylene fraction of more than 0.5 wt % has a negative effect when it is used as a raw material for petrochemical processes; it also reduces the yield of butadiene. The article describes the method of purification of the butane–butylene fraction from butadiene by returning the part of butane–butylene fraction mixed with a stream of absorption ammonium–copper solution in the form of reflux in the chemisorption column. Mixing of flows is carried out in a tubular turbulent apparatus mounted in a reflux line. The organization of an additional contact of part of butane–butylene fraction with copper ammonia solution will increase the sorption efficiency of the column.

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Authors and Affiliations

  1. Ufa State Petroleum Technological University, 450062, Ufa, Bashkortostan , Russia

    F. B. Shevlyakov, T. G. Umergalin & O. K. Shurupov

  2. Bashkir State University, 450076, Ufa, Bashkortostan, Russia

    V. P. Zakharov

  3. OOO TAU NefteKhim Management Company, 453110, Sterlitamak, Bashkortostan, Russia

    I. Sh. Nasyrov

Authors
  1. F. B. Shevlyakov
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  2. T. G. Umergalin
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  3. O. K. Shurupov
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  4. V. P. Zakharov
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  5. I. Sh. Nasyrov
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Correspondence to F. B. Shevlyakov.

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Translated by A. Bannov

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Shevlyakov, F.B., Umergalin, T.G., Shurupov, O.K. et al. Improving the Technological Scheme of Isolation of Butane–Butylene Fraction by Chemisorption Using Tubular Turbulent Apparatus. Theor Found Chem Eng 53, 741–746 (2019). https://doi.org/10.1134/S0040579519050361

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  • DOI: https://doi.org/10.1134/S0040579519050361

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