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LGP2, a center of innovative research
LGP2, a center of innovative research

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Depolymerization of oligosaccharides from hemicelluloses in a biorefinery

Published on July 23, 2019
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PhD Defense June 21, 2019

Valentin Guigon, Ph.D. student of LGP2, defended his thesis: "Study of depolymerization processes of oligosaccharides from hemicelluloses in a biorefinery".

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PAG-car_these1.jpg

This University Grenoble Alpes doctoral thesis was prepared under the supervision of Professor Christine Chirat and of Emeritus Professor Dominique Lachenal (Grenoble INP-Pagora / LGP2).




Valentin Guigon presented the results of his research work entitled Study of depolymerization processes of oligosaccharides from hemicelluloses in a biorefinery.

The lignocellulosic biomass is composed of 30% hemicelluloses, which are small polysaccharides. They can lead to interesting chemical platforms that can be declined in various products arousing a growing interest.

In a wood based biorefinery, hemicelluloses were solubilized by water pre-hydrolysis under the form of monosaccharides and oligosaccharides. Then, secondary hydrolysis were performed to convert those oligosaccharides to monosaccharides (acid hydrolysis) or xylans to xyloses (enzymatic hydrolysis).
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Date of update July 23, 2019

Grenoble INP Institut d'ingénierie Univ. Grenoble Alpes