Journal
CATALYSIS TODAY
Volume 279, Issue -, Pages 187-193Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2016.06.017
Keywords
SBA-15 and Amberlyst hydrothermal stability; Ru nanoparticles; Glucose hydrogenation; Cellobiose hydrolysis; One-pot sorbitol synthesis; Ru/C
Funding
- Engineering and Physical Sciences Research Council [EP/K014773/1, EP/K014854/1, EP/K014668/1, EP/K014714/1, EP/K014706/2, EP/K014706/1] Funding Source: researchfish
- EPSRC [EP/K014706/1, EP/K014706/2, EP/K014854/1, EP/K014773/1, EP/K014714/1, EP/K014668/1] Funding Source: UKRI
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With the ultimate goal of producing robust catalysts for the one-pot conversion of cellulose to sorbitol, a number of solid acids were first investigated for the hydrolysis of cellobiose (model compound). In particular, acid functionalization, catalyst recyclability and hydrothermal stability were evaluated for SBA-15. In the second part of the work, the impregnation of Ru nanoparticles (RuNPs) on the Amberlyst 15 (A15) for the preparation of the bi-functional catalyst 3% RuNPs/A15 for the one-pot conversion of cellobiose into sorbitol is described. The performances of the bi-functional catalyst, 5% Ru/C and the physical mixture of the 5% Ru/C and A15 were evaluated for the conversion of cellobiose to sorbitol. When the bi-functional catalyst was employed, 81% yield of sorbitol was obtained after 5 h of reaction. In contrast, the best result with the physical mixture gave less than 53% yield of sorbitol after 5 h, indicating that the bi-functionality of the 3% RuNPs/Amberlyst 15 catalyst plays a major role in this reaction. (C) 2016 Elsevier B.V. All rights reserved.
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