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All Journal Journal of Chemical Engineering Research Progress
Huda, Muhammad Danil
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Chemical Engineering, Chemistry & Bioengineering Energy Engineering Materials Science & Nanotechnology

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Journal : journal of chemical engineering research progress

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Enhancing Mass and Yield Product of Propylene Glycol Production through Glycerol Hydrogenolysis Arifin, Dhea Wahyu Amanda; Firdaus, Luthfi Maulana; Huda, Muhammad Danil; Abdat, Muhammad Saefillahil; Indriani, Navira Amalia
Journal of Chemical Engineering Research Progress 2024: JCERP, Volume 1 Issue 2 Year 2024 (December 2024)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20285

Abstract

The chemical industry in Indonesia continues to experience significant growth in both innovation and technology. One of the significant areas of improvement is in supporting materials, exemplified by propylene glycol. The process of producing propylene glycol from glycerol involves hydrogenolysis. The hydrogenolysis process of propylene glycol is the reaction of glycerol with hydrogen gas under specific conditions. The effects of process innovation or modification with the aim of enhancing mass efficiency and yield of propylene glycol. Methods to increase mass efficiency and yield using the Aspen HYSYS V11 simulator tool and implemented effectively. From the process modifications that have been implemented, it can be concluded that this design is quite effective as it mass and yields more efficiency, with one notable improvement being mass efficiency of propylene glycol from 7304 ton/year to 10012 ton/year and the percentage yield of propylene glycol in the final product increasing from 70% to 98%. 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).
Optimizing of Temperature and Pressure in a Modified Plug Flow Reactor to Enhance Benzene Conversion with Process Simulation Software Hutabarat, Ardi Wiranata; Sitio, Arnanda R.H.; Zahkia, Ar Rahma Intan; Damanik, Azhari Eliana; Huda, Muhammad Danil; Pulungan, Padilah Ulpah
Journal of Chemical Engineering Research Progress 2026: JCERP, Volume 3 Issue 1 Year 2026 (June)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20563

Abstract

The increase in industrial dependence on benzene demands a more efficient, high-conversion hydrodealkylation (HDA) process. The HDA of toluene is highly sensitive to temperature and pressure, and inaccuracies in operating conditions can cause side reactions and accelerate catalyst deactivation. This study determined optimal temperature–pressure conditions in a plug flow reactor through steady-state Aspen HYSYS simulation using the Peng–Robinson model and parameter interaction analysis in Design Expert. The results showed a synergistic effect, with temperature as the dominant factor and pressure enhancing conversion. Optimal conditions of 710.8 °C and 67.6 atm produced 90.39% conversion, while the lowest conditions resulted in < 5%. These findings confirm that precise control of operating parameters improves reactor performance and hydrogen utilization, supporting a more stable and energy-efficient HDA process. Copyright © 2026 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 Abdat, Muhammad Saefillahil Arifin, Dhea Wahyu Amanda Damanik, Azhari Eliana Firdaus, Luthfi Maulana Hutabarat, Ardi Wiranata Indriani, Navira Amalia Pulungan, Padilah Ulpah Sitio, Arnanda R.H. Zahkia, Ar Rahma Intan