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All Journal Journal of Chemical Engineering Research Progress
Fitriana, Dias
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Chemical Engineering, Chemistry & Bioengineering Energy Engineering Materials Science & Nanotechnology

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Process Optimization of Hydrogen Production via the Water–Gas Shift Reaction Using CO Recycle and Exothermic Reactor Operation Fitriana, Dias; Christiana, Nova; Kusumawati, Olivia Refa; Azzahra, Salsadila Nur Fatima
Journal of Chemical Engineering Research Progress 2026: JCERP, Volume 3 Issue 1 Year 2026 (June) (Issue in Progress)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20571

Abstract

Hydrogen production via the Water–Gas Shift Reaction (WGSR) is limited by thermodynamic equilibrium, restricting carbon monoxide (CO) conversion and process efficiency. The baseline process achieved 80.07% CO conversion, while the modified design incorporated CO recycle and controlled exothermic operation at 200° C. These changes significantly improved CO conversion to approximately 98%, reducing raw material losses and enhancing hydrogen yield. The results demonstrate that integrating recycle streams and thermal management strategies effectively overcomes equilibrium constraints for sustainable hydrogen production. Copyright © 2026 by Authors, Published by Universitas Diponegoro and BCRE Publishing Group. This is an openaccess article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors Azzahra, Salsadila Nur Fatima Christiana, Nova Kusumawati, Olivia Refa