DOI: https://doi.org/10.9767/jcerp.20313

Improving Energy Efficiency with Reusage Outlet Stream of Heat Exchanger for Formaldehyde Production from Methanol

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

Received: 19 Dec 2024; Revised: 23 Dec 2024; Accepted: 27 Dec 2024; Available online: 16 Jan 2025; Published: 30 Jun 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

Formaldehyde is one of the chemical products that has an important role in various industries with the percentage of global production consistently increasing over the past ten years. However, the production of formaldehyde requires considerable energy consumption. The purpose of this study is to examine other alternatives to improve energy efficiency in the formaldehyde production process. This study focuses on the reutilization of heat generated from the heat exchanger to minimize the net energy generated. The process modification was simulated using Aspen HYSYS and the net energy comparison between the original and modified process was calculated using the net-energy formula. The results show that the Net-Energy (NE) value for the original process is 18,839,836 kJ/h while for the modified process it is 4,123,000 kJ/h. This result shows that the modified process is efficient to reduce Net-Energy and can increase energy efficiency in the formaldehyde production process through the methanol dehydrogenase 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).

Keywords: Formaldehyde; Modification Process; Heat Exchanger; Energy Efficiency; Net-Energy

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Section: Original Research Articles
Language : EN
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