DOI: https://doi.org/10.9767/jcerp.20300

Improving Energy Efficiency with Energy Recovery for Propylene Production

Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, 50275, Indonesia

Received: 19 Dec 2024; Revised: 21 Dec 2024; Accepted: 27 Dec 2024; Available online: 29 Dec 2024; Published: 30 Dec 2024.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2024 by Authors, Published by Universitas Diponegoro and BCREC Publishing Group
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
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Abstract

Propylene production through the metathesis of 2-butene is a well-established method. However, energy efficiency in this process remains an area of improvement. This study focuses on optimizing energy consumption by integrating heat recovery and reducing the reliance on external energy sources. Simulations were conducted using Aspen HYSYS V11 to compare the basic and modified processes. Modifications included utilizing heat from condensers and coolers to power compressors and heaters, eliminating redundant heating units. Thermodynamic analyses confirmed the endothermic nature of the reactions. Results indicated a significant reduction in total heat flow, from 2.983×108 kJ/h to 1.564×108 kJ/h, leading to improved specific energy consumption. With a production capacity of 15,400 tons/year, the optimized process demonstrated enhanced energy efficiency and sustainability. This study highlights the potential of process modifications to achieve energy savings, lower production costs, and minimize environmental impact in the chemical industry. Copyright © 2024 by Authors, Published by Universitas Diponegoro and BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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Keywords: Propylene production; 2-butene metathesis; energy efficiency; heat recovery; Aspen HYSYS; process optimization; specific energy consumption; sustainable chemical processes

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Section: Original Research Articles
Language : EN
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