In-situ viscometry during hydrolysis of lignocellulosic materials by single and cocktail enzymatic activities: from material impact to viscosity overshoot

Tuan Le; Dominique Anne-Archard; Véronique Coma; Xavier Cameleyre; Eric Lombard; Kim Anh To; Tuan Anh Pham; Tien Cuong Nguyen; Luc Fillaudeau

In-situ viscometry during hydrolysis of lignocellulosic materials by single and cocktail enzymatic activities: from material impact to viscosity overshoot

Tuan Le ^{1, 2, 3} Dominique Anne-Archard ^{4, 2} Véronique Coma ⁵ Xavier Cameleyre ¹ Eric Lombard ¹ Kim Anh To ³ Tuan Anh Pham ³ Tien Cuong Nguyen ^{1, 3} Luc Fillaudeau ^{1, 2, *}

* Corresponding author

1 LISBP - Laboratoire d'Ingénierie des Systèmes Biologiques et des Procédés

2 FERMAT - Fédération de Recherche Fluides, Energie, Réacteurs, Matériaux et Transferts

3 Center for Research and Development in Biotechnology (CRDB), Schools of Biotechnology and Food Technology (SBFT)

4 IMFT - Institut de mécanique des fluides de Toulouse

5 LCPO - Laboratoire de Chimie des Polymères Organiques

Abstract : Rheological characterization of lignocellulosic suspension is a fundamental research to overpass physical limitations during enzymatic hydrolysis. In this study, the rheological properties of lignocellulosic suspensions (filter paper - FP, paper pulp - PP and pretreated sugarcane bagasse - SCB) and their evolution during enzymatic hydrolysis were investigated by in-situ measurements. All tested suspensions behaved as shear thinning fluids and a critical concentration reflecting the change between diluted to semi-dilute regimes were identified.

Keywords : lignocellulose substrate in-situ rheometry hydrolysis pure activity enzymatic cocktail

Document type :

Conference papers

Domain :

Life Sciences [q-bio]

Complete list of metadatas

https://hal.archives-ouvertes.fr/hal-01886476
Contributor : Archive Ouverte Prodinra <>
Submitted on : Tuesday, October 2, 2018 - 8:14:47 PM
Last modification on : Thursday, November 21, 2019 - 9:57:45 AM

In-situ viscometry during hydrolysis of lignocellulosic materials by single and cocktail enzymatic activities: from material impact to viscosity overshoot

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In-situ viscometry during hydrolysis of lignocellulosic materials by single and cocktail enzymatic activities: from material impact to viscosity overshoot

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