COVID-19 update (May 2021). Covid vaccination has started so we hope that courses given during summer and autumn will be perfomed in the traditional way and we will meet in person, with the complementary possibility to attend on-line.
 Treesearch is following the recommendations from the Public Health Agency of Sweden and the local restrictions from the Treesearch partners. Due to health concerns and  travel restrictions all courses to the end of june 2021 will be given as on-line courses.

Unit Processes in Pulping

Course content:

· Wood, fibre, and pulp characterisation
· Chemical and mechanical fibre separation. Refining
· Screening/fractionation theory and technology
· Peroxide and dithionite bleaching chemistry. Brightness reversion
· Bleaching of chemical pulp
· Control and simulation in pulping
· Water- and energy balances. Environmental aspects.
· Use of mechanical and chemical pulps in different products

Learning objectives:

The student will after the course have a fundamental understanding of the mechanisms in chemical and mechanical pulping and how pulp qualities for different end use is related to wood properties and pulping conditions, and a basic understanding of control strategies in pulping and of environmental issues.

October 11-15, 2021




October 1, 2021


Professors and research leaders from industry see course program for details


Distributed material


Course fee:

For Treesearch associated Ph.D-students and post-doc the course is free of charge. For persons from Industries associated to Treesearch the course cost is 5000:- SEK for one person, 9000:- (4500:-/person) SEK for two persons and 12000:- (4000:-/person) for three persons. For persons belonging to organizations not associated to Treesearch the cost is 21.300 SEK

Course responsible:

Dr Jan-Erik Berg, MIUN

Maximum number of participants: 25

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If you have problems with the registration please contact