Effect of Supertargeting and Non Isothermal Stream Mixing in Heat Exchanger Network Design Using Modified Pinch Analysis
International Journal of Energy and Environmental Science
Volume 4, Issue 1, January 2019, Pages: 18-26
Received: Jan. 30, 2019;
Accepted: Mar. 21, 2019;
Published: May 11, 2019
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Azeez Oluwatosin Sarafa, Department of Chemical Engineering, Federal University of Technology, Minna, Nigeria
Ogbonnaya Blessing, Department of Chemical Engineering, Federal University of Technology, Minna, Nigeria
Ekechukwu Onyinye, Department of Chemical Engineering, Federal University of Technology, Minna, Nigeria
Akande Hassan, Department of Chemical Engineering, Kaduna Polytechnic, Kaduna, Nigeria
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This paper investigated the effect of minimum temperature difference as well as that of non-isothermal stream mixing in heat exchanger networks (HENs) using a modified pinch technique. Supertargeting was carried out to determine the appropriate minimum temperature difference value used to design the HENs. The networks were further optimized to remove the isothermal mixing assumption. In the four case studies used in this work, each shows how these two concepts affect the total annual cost (TAC) of HENs. These were presented in the network comparison tables where the cost of the networks using supertargeting is much lower than the cost of the ones without, and the non-isothermal mixing networks have lower costs than the ones with the isothermal mixing assumption even in the networks designed without supertargeting technique.
Supertargeting, Optimization, Non-Isothermal Mixing, Pinch Analysis
To cite this article
Azeez Oluwatosin Sarafa,
Effect of Supertargeting and Non Isothermal Stream Mixing in Heat Exchanger Network Design Using Modified Pinch Analysis, International Journal of Energy and Environmental Science.
Vol. 4, No. 1,
2019, pp. 18-26.
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/
) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Aspen Energy Analyzer Version 8.8, 2018.
AspenTech (2018). Aspen Energy Analyzer; Reference Guide, Aspen Technology Inc, Burlington, USA.
Azeez O. S., Isafiade A. J., & Fraser D. M. (2012), Supply and target based Superstructure synthesis of heat and mass exchanger networks, Chemical Engineering Research and Design 90, pg 266-287.
Bjork K. M. &Westerlund T. (2002). Global optimization of heat exchanger network synthesis problems with and without the isothermal mixing assumption. ComputChemEng, 26:1581 – 1593.
Bolio, B. (1994). Guidelines for the Synheat Interface. Department of Chemical Engineering, Carnegie Mellon University.
Huang K. F., Al-mutairi E. M. &Karimi I. A. (2012). Heat exchanger network synthesis using a stage wise superstructure with non-isothermal mixing. Chemical Engineering Science, 73, 30-43.
Krishna M. Y. & Murty C. V. S. (2008), Synthesis of cost-optimal heat exchanger networks using differential evolution, Computers and chemical engineering 32, pg 1861-1876.
Liang Z., Hongchao Y. &Huo Z. (2016). Simultaneous synthesis of heat exchanger network with the non-isothermal mixing. International Journal of Low-Carbon Technologies, 11, 240–247.
Linnhoff B. (1993), Pinch Analysis; A state of the art overview, Chemical Engineering Research and Design 71, pg 503-522.
Linnhoff, B. and Ahmad, S. (1989). “Supertargeting: Optimum Synthesis of Energy Management Systems”. ASME J. Energy Resource Tech., 111(3): 121-130.
Linnhoff, B and Tjoe, T. N. (1986). “Using Pinch Technology for Process Retrofit”. ChemEng, 47-50.
OnyemachiJ. O. and Azeez O. S. (2018), Area Targeting of Heat Exchanger Network (HEN) Using a Modified Pinch Technique IOP Conf. Ser.: Earth Environ. Sci. 173 012003.
Yee T. F. and Grossmann I. E. (1990), Simultaneous Optimization models for heat Integration II; Heat Exchanger Network Synthesis. Computers and chemical engineering, 14(10) pp 1165-1184.
Zamora J. M., & Grossmann, I. E. (1998). A global MINLP optimization for the synthesis of heat exchanger networks with no stream splits. Computers & Chemical Engineering, 22(3), 367-384.
Zhao D., Paiko I. I., Azeez O. S. and Makwashi N. (2017), Pinch Analysis in Optimising Energy Consumption on a Naphtha Hydrotreating Unit in a Refinery, Pet Petro ChemEng Journal, 1(5): 000126.