The limits of delignification in kraft cooking
E Brännvall - BioResources, 2017 - diva-portal.org
BioResources, 2017•diva-portal.org
The perspective of the article is to explore kraft cooking at the limits of delignification, ie what
degree of delignification is needed to obtain fibre liberation and what is the maximum
degree of delignification possible in the kraft pulping stage. The reasons for the quite narrow
boundaries for sufficient and maximum delignification are explained, and the differences
between the behaviour of hardwood and softwood kraft pulping are clarified.
degree of delignification is needed to obtain fibre liberation and what is the maximum
degree of delignification possible in the kraft pulping stage. The reasons for the quite narrow
boundaries for sufficient and maximum delignification are explained, and the differences
between the behaviour of hardwood and softwood kraft pulping are clarified.
The perspective of the article is to explore kraft cooking at the limits of delignification, ie what degree of delignification is needed to obtain fibre liberation and what is the maximum degree of delignification possible in the kraft pulping stage. The reasons for the quite narrow boundaries for sufficient and maximum delignification are explained, and the differences between the behaviour of hardwood and softwood kraft pulping are clarified.
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