Process for preparing mechanical pulp

Details Process for preparing mechanical pulp Process for preparing mechanical pulp

D - Textiles, Paper

21

B

D21B 1/02 (2006.01)

Patent

CA 2549469

The invention relates to a method for the pre-treatment of chips, which can be used to reduce the specific energy consumption of mechanical pulp and to improve the technical properties of the fibres. In the treatment, chips in a liquid phase are brought into contact with an enzyme preparation containing cellobiohydrolase and endoglucanase

L'invention porte sur un procédé de prétraitrement de copeaux, que l'on peut utiliser pour réduire la consommation d'énergie spécifique d'une pâte de bois mécanique et pour améliorer les propriétés techniques des fibres. Dans le traitement, les copeaux dans une phase liquide sont mis en contact avec une préparation enzymatique contenant une cellobiohydrolase et une endoglucanase.

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