DOI: https://doi.org/10.9767/jcerp.20591

Optimizing Energy Efficiency in Acetone Production via Isopropyl Alcohol Dehydrogenation through Feed-Effluent Heat Integration

1Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia

2Master Program in Chemical Engineering, Faculty of Engineering, Universitas Diponegoro, Indonesia

Received: 12 Dec 2025; Revised: 15 Dec 2025; Accepted: 17 Dec 2025; Available online: 28 Dec 2025; Published: 30 Dec 2025.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2025 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

Acetone production via isopropyl alcohol (IPA) dehydrogenation is an energy‑intensive process due to the endothermic nature of the reaction. This study aims to minimize net energy consumption by simulating a modified process design that incorporates a Feed‑Effluent Heat Exchanger (FEHE) strategy. The simulation results demonstrate that the modified configuration successfully recovers heat from the reactor effluent to preheat the feed stream to 178 °C, thereby reducing the total energy consumption from 4,695.8 kW to 4,532.0 kW. This energy saving of 163.8 kW confirms that the proposed heat integration is technically feasible and significantly enhances the thermodynamic efficiency of the acetone production process. Copyright © 2025 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: Acetone production; Isopropyl alcohol dehydrogenation; Aspen HYSYS; Heat integration; Net energy minimization.

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Section: Original Research Articles
Language : EN
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