Overall
- Language
- English
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received October 6, 2024
Accepted February 21, 2025
Available online May 25, 2025
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Most Cited
Upscaled Catalytic Production of Renewable Biofuels from Hexanoic Acid
https://doi.org/10.1007/s11814-025-00431-2
Abstract
The hydrodeoxygenation (HDO) reaction plays a crucial role in the catalytic upgrading of bio-derived platform chemicals
to renewable fuels and chemicals. Given its industrial versatility, the production of primary alcohols via the catalytic
hydrodeoxygenation of carboxylic acids has been explored using the RuSn/ZnO catalyst demonstrating high performance
and robust stability in high-pressure continuous-fl ow reaction systems. However, the complex synthesis procedures of this
catalyst impose limitations on its applicability and scalability. Additionally, powder catalysts could cause a pressure drop
across the catalytic beds, causing another challenge in a large-scale operation. To address these issues, a simplifi ed preparation
method for RuSn/ZnO catalyst utilizing commercial support was developed and pelletized sing methylcellulose and
bentonite as binder. The pellet catalysts, with varying binder ratios (wt binder /wt cat ), were evaluated for the hydrodeoxygenation
of hexanoic acid under diff erent reaction conditions. Characterization results confi rmed the formation of Ru 3 Sn 7 alloy on
the RuSn/ZnO-5 (wt binder /wt cat = 0.05) catalyst, which selectively produced 1-hexanol with a yield of 72.7% under optimized
reaction conditions. Notably, the RuSn/ZnO-30 catalyst could selectively produce biofuel components (1-hexanol and hexyl
hexanoate) with high stability in 0.403 L/day of hexanoic acid hydrodeoxygenation. The developed catalytic system off ers the
potential for advancing biomass conversion as a viable alternative to the conventional petrochemical processes, contributing
to the industrialization of sustainable fuels and chemicals production.

