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Yusriyyah, Aisyah Hanunaida
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Chemical Engineering, Chemistry & Bioengineering Energy Engineering Materials Science & Nanotechnology

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Optimizing Operating Conditions to Increase the Effective Hydrogen Partial Pressure and Reduce Fresh Hydrogen in Vapor-Phase Cyclohexanol Production Yusriyyah, Aisyah Hanunaida; Wibisono, Rivan Pradipta; Tiarawati, Yulianazhwa
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.20598

Abstract

Cyclohexanol is a vital intermediate in nylon precursor production, making its efficient synthesis highly relevant for large-scale chemical industries. Conventional processes often face inefficiencies such as excessive hydrogen consumption and poor energy utilization, which hinder economic viability. This study aims to optimize cyclohexanol production by improving hydrogen recovery and heat integration. Thermodynamic analysis confirmed the reaction is highly exothermic and favorable across the operating temperature range, emphasizing the need for strict thermal control. Process simulation was then employed to evaluate the baseline flowsheet and identify inefficiencies. A revised configuration was developed incorporating effluent cooling, vapor–liquid separation, and hydrogen recycling. The improved system significantly enhanced hydrogen efficiency, reactor performance, and energy utilization, leading to higher conversion rates and more stable operation. In conclusion, the optimized process demonstrates the importance of integrating reaction engineering with process-level design. The simulation framework also provides a foundation for future studies on intensified reactor–separator systems and advanced energy-saving strategies. 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 Tiarawati, Yulianazhwa Wibisono, Rivan Pradipta