Xylose Hydrogenation Promoted by Ru/SiO2 Sol–Gel Catalyst: From Batch to Continuous Operation

Xylose is nowadays converted into xylitol, a popular special chemical sweetener. Xylitol can be used not only in the pharmaceutical and food industries, but also in cosmetics and synthetic resins because of its countless properties. Conventionally, xylitol is produced by slurry reactors operating in...

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Bibliographic Details
Published in:Processes 2024-01, Vol.12 (1), p.27
Main Authors: Barone, Anna, De Liso, Benedetta Anna, Grénman, Henrik, Eränen, Kari, Taddeo, Francesco, Imparato, Claudio, Aronne, Antonio, Russo, Vincenzo, Di Serio, Martino, Salmi, Tapio
Format: Article
Language:English
Subjects:
Alcohol
Biomass
Catalysts
Continuous production
Cosmetics
Experiments
Food industry
Hydrogen
Hydrogenation
Metals
Resins
Silicon dioxide
Slurries
Sol-gel processes
Synthetic resins
Temperature
Xylitol
Xylose
Yeast
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Summary:Xylose is nowadays converted into xylitol, a popular special chemical sweetener. Xylitol can be used not only in the pharmaceutical and food industries, but also in cosmetics and synthetic resins because of its countless properties. Conventionally, xylitol is produced by slurry reactors operating in batch with dispersed or supported catalysts. Hydrogen is continuously fed to maintain a constant pressure. In this work, the kinetics of the reaction were investigated to find the optimal operating conditions to minimize the by-products obtained. Given the great performances shown by the new Ru/SiO2 sol–gel derived catalyst in glucose hydrogenation, in this work the mentioned catalyst was tested in the hydrogenation of xylose to xylitol both in batch and in continuous production to prove its stability and activity.
ISSN:2227-9717
2227-9717
DOI:10.3390/pr12010027