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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Sunday 15 December 2019

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Simulation and Analysis of Ordinary Distillation of Close Boiling Hydrocarbons Using ASPEN HYSYS


Volume 16, Issue 4, June 2016, Pages 805–813

 Simulation and Analysis of Ordinary Distillation of Close Boiling Hydrocarbons Using ASPEN HYSYS

Subhan Azeem1, Saad Saeed2, Sana Saeed3, and Mujtaba Ashraf4

1 Department of Chemical Engineering, NFC Institute of Engineering & Technology, Multan, Pakistan
2 Chemical Department, NFC Institute of Engineering and Technology, Multan, Punjab, Pakistan
3 Chemical Department, NFC Institute of Engineering and Technology, Multan, Punjab, Pakistan
4 Department of Chemical Engineering, NFC Institute of Engineering & Technology, Multan, Pakistan

Original language: English

Received 6 February 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Effect of reflux ratio and number of stages on purity of ethylene in ethane-ethylene distillation using HYSYS process modeling software is presented in this paper. Results showed that purity of separation is directly proportional to reflux ratio as well as number of stages. A mixture of ethane and ethylene is pre flashed in a shortcut distillation column and parameters such as external reflux ratio, minimum reflux ratio, minimum number of stages, actual number of stages, optimal feed stage, condenser temperature, reboiler temperature and also condenser and reboiler duties are obtained. Then this feed is employed in a full scale distillation column to obtain the final results. Simulation shows that it is possible to achieve a purity as high as 99.2% using less than 100 plates, 84 plates to be precise. Optimum reflux ratio was also obtained. Results demonstrated that extra cost of using membrane systems to improve separation efficiencies can be avoided by using optimum reflux ratio in ordinary distillation.

Author Keywords: Ethylene, ethane, ordinary distillation, HYSYS modeling, reflux ratio, number of stages.


How to Cite this Article


Subhan Azeem, Saad Saeed, Sana Saeed, and Mujtaba Ashraf, “Simulation and Analysis of Ordinary Distillation of Close Boiling Hydrocarbons Using ASPEN HYSYS,” International Journal of Innovation and Applied Studies, vol. 16, no. 4, pp. 805–813, June 2016.