Hemicellulose hydrolysis in the presence of heterogeneous catalysts

A1 Journal article (refereed)


Internal Authors/Editors


Publication Details

List of Authors: Tapio Salmi, Dmitry Murzin, Johan Wärnå, Päivi Mäki-Arvela, Bright Kusema, Bjarne Holmbom, Stefan Willför
Publication year: 2014
Journal: Topics in Catalysis
Volume number: 57
Issue number: 17-20
Start page: 1470
End page: 1475
eISSN: 1572-9028


Abstract

A prominent autocatalytic effect in the hydrolysis of hemicelluloses was observed in the presence of heterogeneous cation-exchange catalysts, Amberlyst 15 and Smopex 101. The kinetic models proposed were based on the reactivities of the non-hydrolysed sugar monomer units and the increase of the rate constant as the reaction progresses and the degree of polymerization decreases. General kinetic models were derived and the kinetic parameters, describing the autocatalytic effect, were determined by non-linear regression analysis. The kinetic model explained very well the overall kinetics, as well as the product distribution in the hydrolysis of hemicelluloses.

Last updated on 2019-19-09 at 05:40