Journal article

Simplistic Modeling approach to heterogeneous dilute-acid hydrolysis of cellulose microcrystallites

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Author list: Pettersson, Per O

Publication year: 2003

Start page: 451

End page: 455

Number of pages: 5

ISSN: 0273-2289

DOI: http://dx.doi.org/10.1385/ABAB:106:1-3:451

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Abstract

The classic kinetic model for cellulose hydrolysis is often referred to as pseudo-homogeneous, a term revealing the insight that the process is actually heterogeneous. During the past 10-15 yr, the shortcomings of this model have been demonstrated in various studies and the interest in the heterogeneous aspects has increased. The present work presents a simplistic model in which the intrinsic, heterogeneous hydrolysis and transport rates are coupled by the assumption of a constant glucosidic surface concentration. The mechanisms affecting these two rates are largely unknown, but the model serves as a guideline for further exploration of the process.


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