Method for mechanical pulp production

Details Method for mechanical pulp production Method for mechanical pulp production

D - Textiles, Paper

21

C

D21C 1/00 (2006.01) D21C 1/04 (2006.01) D21D 1/00 (2006.01)

Patent

CA 2565923

A method of producing hardwood pulp is provided. This method comprises treating hardwood chips with one or more than one Family 11 xylanase enzyme in the absence of adding an oxidizing enzyme for about 5 minutes to about 120 minutes, to produce a treated chip mixture. The treated chip mixture is then mechanically refined to produce the hardwood pulp.

L'invention concerne un procédé de production de pâte de feuillus. Ce procédé consiste à traiter des copeaux de feuillus avec au moins un enzyme de xylanase de la famille 11 en l'absence d'ajout d'un enzyme d'oxydation pendant environ 5 à environ 120 minutes, de manière à produire un mélange de copeaux traités. Ledit mélange de copeaux traités est ensuite raffiné mécaniquement afin de produire de la pâte de feuillus.

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