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An investigation into bimetallic catalysts for base free oxidation of cellobiose and glucose

Cao, Yueling, Iqbal, Sarwat, Miedziak, Peter John, Jones, Daniel R., Morgan, David John, Liu, Xi, Wang, Junwei and Hutchings, Graham 2017. An investigation into bimetallic catalysts for base free oxidation of cellobiose and glucose. Journal of Chemical Technology and Biotechnology 92 (9) , pp. 2246-2253. 10.1002/jctb.5287

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Abstract

BACKGROUND The selective conversion of cellulose to gluconic acid under mild conditions is challenging as it has abundant intra-and inter-molecular hydrogen bonds that protect the β-1,4-glycosidic bonds and make it intrinsically recalcitrant to deploymerize. RESULTS Au-Pd/TiO2 and Au-Pt/TiO2 catalysts prepared by sol immobilization method without pre-treatment are active and selective for the oxidation of glucose and cellobiose to gluconic acid under base-free conditions. Important preparation parameters are the pre-treatment of the catalyst and the metal ratio. CONCLUSION The optimized catalyst provided a good yield of gluconic acid from cellobiose and has opened up a new catalyst system for cellobiose conversion in terms of a heterogeneous catalyst.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Cardiff Catalysis Institute (CCI)
Chemistry
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Glucose; Cellobiose; Au-Pd; Au-Pt; Base-free condition; Oxidation; Gluconic acid
Publisher: Wiley
ISSN: 0268-2575
Funders: China Scholarship Council
Date of First Compliant Deposit: 29 March 2017
Date of Acceptance: 21 March 2017
Last Modified: 28 Jun 2019 20:08
URI: http://orca-mwe.cf.ac.uk/id/eprint/99481

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