Hemicellulose hydrolysis in the presence of heterogeneous catalysts

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Sammanfattning

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.
OriginalspråkOdefinierat/okänt
Sidor (från-till)1470–1475
TidskriftTopics in Catalysis
Volym57
Utgåva17-20
DOI
StatusPublicerad - 2014
MoE-publikationstypA1 Tidskriftsartikel-refererad

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