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Theoretical Foundations of Chemical Engineering

, Volume 53, Issue 5, pp 741–746 | Cite as

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

  • F. B. ShevlyakovEmail author
  • T. G. Umergalin
  • O. K. Shurupov
  • V. P. Zakharov
  • I. Sh. Nasyrov
Article
  • 7 Downloads

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.

Keywords:

butylene–butadiene fraction butane–butylene fraction butadiene butadiene production chemisorption tubular turbulent apparatus water–ammonia solution of copper(I) acetate 

Notes

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • F. B. Shevlyakov
    • 1
    Email author
  • T. G. Umergalin
    • 1
  • O. K. Shurupov
    • 1
  • V. P. Zakharov
    • 2
  • I. Sh. Nasyrov
    • 3
  1. 1.Ufa State Petroleum Technological UniversityUfa Bashkortostan Russia
  2. 2.Bashkir State UniversityUfaRussia
  3. 3.OOO TAU NefteKhim Management CompanySterlitamakRussia

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