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Comparative Analysis Between Manual and Computer Aided Design of Minimum and Optimum Reflux Ratio at Minimum Reflux Operating Condition of a Distillation Column

Received: 30 October 2016     Accepted: 30 November 2016     Published: 21 December 2016
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Abstract

This work presents the comparative analysis between manual and computer aided design of minimum and optimum reflux ratio at minimum reflux condition of a distillation column. The Underwood’s shortcut design model for determining a column’s minimum reflux ratio is applied, and a multiplier of the minimum reflux is used to obtain the optimum reflux ratio of the column. Matlab R2008b is the computer software used to achieve the computer aided design of the reflux due to the need for fast convergence solution to iterative computations. The manual design is a pen and paper approach. The results obtained from both methods were compared for better analysis of the column’s separation efficiency at the reflux operating conditions.

Published in American Journal of Science, Engineering and Technology (Volume 1, Issue 2)
DOI 10.11648/j.ajset.20160102.11
Page(s) 13-19
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2016. Published by Science Publishing Group

Keywords

Reflux Ratio, Underwood Model, Design, MATLAB

References
[1] The Math Works Inc., “Learning MATLAB 7.0, fifth printing revised for MATLAB 7.1, 2005.
[2] David Houcque, “Introduction to Matlab for Engineering Students”, Version 1.2, 2005, pp. 1-10; 35-51, North-western University.
[3] A. J. V. Underwood, “Ind. Eng. Chemistry”, Vol. 41, No. 12, 1948, pp 2844-2847.
[4] J. D. Seader, E. J. Henley, “Separation process principles”, 2nd edition, 2001, John Wiley and sons Inc., New York, USA.
[5] J. F. Richardson, J. H. Harker, and J. R. Backhurst, Coulson and Richardson’s Chemical Engineering series: “Particle technology and separation processes”, Vol. 2, fifth ed., Oxford: Butterworth-Heinemann, 2002, pp. 599-616.
[6] R. N. Shiras, D. N. Hanson, and C. H. Gibson, Industrial and Engineering Chemistry: “Calculation of minimum reflux in distillation columns”, 1950, pp 871-876.
[7] R. E. Treybal, “Mass transfer operations”, 3rd ed., 1980, McGraw-Hill, New York.
[8] H. Z. Kister, “Distillation design analysis”, 1992, pp. 2; 87-123, McGraw-Hill Inc., New York.
[9] C. J. King, “Separation processes”, 1980, McGraw-Hill Inc., New York.
[10] R. Sinnott, G. Towler, Coulson & Richardson’s Chemical Engineering series: “Chemical engineering design”, vol. 6, fifth ed., Butterworth-Heinemann, Burlington, USA, 2009, pp 682-715; 1121-1133.
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  • APA Style

    Okafor Blessing, Effiong Edward. (2016). Comparative Analysis Between Manual and Computer Aided Design of Minimum and Optimum Reflux Ratio at Minimum Reflux Operating Condition of a Distillation Column. American Journal of Science, Engineering and Technology, 1(2), 13-19. https://doi.org/10.11648/j.ajset.20160102.11

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    ACS Style

    Okafor Blessing; Effiong Edward. Comparative Analysis Between Manual and Computer Aided Design of Minimum and Optimum Reflux Ratio at Minimum Reflux Operating Condition of a Distillation Column. Am. J. Sci. Eng. Technol. 2016, 1(2), 13-19. doi: 10.11648/j.ajset.20160102.11

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    AMA Style

    Okafor Blessing, Effiong Edward. Comparative Analysis Between Manual and Computer Aided Design of Minimum and Optimum Reflux Ratio at Minimum Reflux Operating Condition of a Distillation Column. Am J Sci Eng Technol. 2016;1(2):13-19. doi: 10.11648/j.ajset.20160102.11

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  • @article{10.11648/j.ajset.20160102.11,
      author = {Okafor Blessing and Effiong Edward},
      title = {Comparative Analysis Between Manual and Computer Aided Design of Minimum and Optimum Reflux Ratio at Minimum Reflux Operating Condition of a Distillation Column},
      journal = {American Journal of Science, Engineering and Technology},
      volume = {1},
      number = {2},
      pages = {13-19},
      doi = {10.11648/j.ajset.20160102.11},
      url = {https://doi.org/10.11648/j.ajset.20160102.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajset.20160102.11},
      abstract = {This work presents the comparative analysis between manual and computer aided design of minimum and optimum reflux ratio at minimum reflux condition of a distillation column. The Underwood’s shortcut design model for determining a column’s minimum reflux ratio is applied, and a multiplier of the minimum reflux is used to obtain the optimum reflux ratio of the column. Matlab R2008b is the computer software used to achieve the computer aided design of the reflux due to the need for fast convergence solution to iterative computations. The manual design is a pen and paper approach. The results obtained from both methods were compared for better analysis of the column’s separation efficiency at the reflux operating conditions.},
     year = {2016}
    }
    

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Author Information
  • Department of Chemical Engineering, Chukwuemeka Odumegwu Ojukwu University, Anambra, Nigeria

  • Department of Chemical Engineering, Federal University of Technology, Owerri, Nigeria

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