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All Journal Journal of Chemical Engineering Research Progress
Anindya, Nasywa Ega Agtaputri
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Chemical Engineering, Chemistry & Bioengineering Energy Engineering Materials Science & Nanotechnology

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Process Intensification of Glucose Hydrogenation Through Excess Hydrogen Feed and Hydrogen Recycle Integration for High Purity Sorbitol Production Martela, Yudha Dwipati; Putri, Nasywa Naila; Putri, Nazmi Eka; Aidina, Evelyne Alfi; Putri, Rieska Febrianti Amanda; Anindya, Nasywa Ega Agtaputri
Journal of Chemical Engineering Research Progress 2025: Just Accepted Manuscript and Article In Press 2025
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20549

Abstract

This study focuses on enhancing the purity of sorbitol produced from glucose hydrogenation through systematic flowsheet modification using Aspen HYSYS V11. The intensification strategy involves adjusting the excess hydrogen-to-glucose molar ratio to 4:1 and incorporating additional process units such as mixers, recycle loops, and splitters. Thermodynamic modeling based on the NRTL property package was employed to determine vapor–liquid equilibrium behavior and component phase distribution. The conversion reactor in the simulation was operated under elevated temperature and pressure conditions to improve reaction selectivity and product yield. The integration of a flash separator and a hydrogen recycle system further enhanced process efficiency by recovering unreacted hydrogen. Through these modifications, sorbitol purity increased significantly from 74% to 99.37%. Overall, the implemented process modifications proved effective in improving sorbitol purity by leveraging excess hydrogen availability and optimizing the separation–recycle sequence within the reaction system.
Co-Authors Aidina, Evelyne Alfi Martela, Yudha Dwipati Putri, Nasywa Naila Putri, Nazmi Eka Putri, Rieska Febrianti Amanda