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Muafi, Muhammad Yusuf Zachraey
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Chemical Engineering, Chemistry & Bioengineering Energy Engineering Materials Science & Nanotechnology

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Optimizing the Yield Product by Changing the Reactor Type for CO2 Hydrogenation in Methanol Synthesis with Process Simulation Software Zahra, Annisa Diva Karmelia; Muafi, Muhammad Yusuf Zachraey; Rabbani, Nadira Shifa; Ramadani, Muhammad Nuzul
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 1 Year 2025 (June 2025)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20291

Abstract

Hydrogenation is chosen as a process to reduce CO2 in the air, based on its thermodynamic stability. One of the important things to increase the yield product is by using reactor. This study aims to compare two types of reactor, i.e. equilibrium reactor and conversion reactor. In this study, we made two types of processes as the representative for each type of reactor, by using the reaction and kinetic data from reference. As the result, we investigate the yield product result and the energy used. The number of energy used (in kW) in line to total yield product. For the equilibrium reactor, the yield product and energy used in kilowatt are lesser than the conversion reactor, and for conversion reactor is vice versa. Two of the results state that the higher total amount of energy used the higher total yield product. For the future study, this study could be one of the reference, or could be one of the future consideration for choosing exact reactor based on their needs. 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).
Improving Energy Efficiency in Ammonia Production from Hydrogen and Nitrogen Through Optimizing Operating Condition Ramadhan, Daffa Pratama; Hutasoit, Fransiska Klarisa Teodora; Primaditya, Ghazy Arya; Aurielly, Muhammad Verrel; Muafi, Muhammad Yusuf Zachraey
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 2 Year 2025 December 2025 (Issue in Progress)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20422

Abstract

As a key raw material in the fertilizer industry, global ammonia consumption showed a steady increase from 2010 to 2020, with an average annual growth rate of approximately 1.81%. The production of ammonia involves four primary stages: feed gas pre-treatment, syngas generation, syngas purification, and ammonia synthesis. The main feedstocks used in this process are natural gas, steam, and air. To accommodate the rising demand for ammonia, it is essential to implement a highly efficient production process that ensures a high conversion rate. One strategy to enhance efficiency involves reducing the operating pressure in the ammonia production process proves to be an effective strategy for enhancing overall energy efficiency. This adjustment lowers the compressor workload, which in turn reduces system temperatures and eases the demand on the cooling system. Importantly, the process maintains a gas-phase reaction environment and high conversion efficiency, indicating that energy savings are achieved without compromising reaction performance. The results confirm that pressure optimization lies within the thermodynamic and kinetic boundaries necessary for effective ammonia synthesis. 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).
Co-Authors Aurielly, Muhammad Verrel Hutasoit, Fransiska Klarisa Teodora Primaditya, Ghazy Arya Rabbani, Nadira Shifa Ramadani, Muhammad Nuzul Ramadhan, Daffa Pratama Zahra, Annisa Diva Karmelia