Dissolution of wood components during hot water extraction of birch
Journal article, 2021

Autohydrolysis-based pretreatments enable extraction of hemicellulose from wood tissue prior to the paper pulp cooking processes enabling their further use as platform chemicals and in material applications. In this study, hot water extraction of birch meal was conducted in a small flow-through system. The combination of high surface area of the milled material with increased driving force induced by constant flow of freshwater, together with fast evacuation of extract, enabled a detailed study of the dissolution process. Based on the findings, deeper insight into acidification and autohydrolysis progress was obtained.

Author

Joanna Wojtasz-Mucha

Royal Institute of Technology (KTH)

Chalmers, Chemistry and Chemical Engineering, Chemical Technology, Forest Products and Chemical Engineering

Merima Hasani

Chalmers, Chemistry and Chemical Engineering, Chemical Technology, Forest Products and Chemical Engineering

Royal Institute of Technology (KTH)

Hans Theliander

Chalmers, Chemistry and Chemical Engineering, Chemical Technology, Forest Products and Chemical Engineering

Royal Institute of Technology (KTH)

Wood Science and Technology

0043-7719 (ISSN) 1432-5225 (eISSN)

Vol. In Press

Subject Categories

Paper, Pulp and Fiber Technology

Chemical Process Engineering

Polymer Technologies

DOI

10.1007/s00226-021-01283-9

More information

Latest update

4/15/2021