Chemical pulp treatment compositions and methods

Details Chemical pulp treatment compositions and methods Chemical pulp treatment compositions and methods

D - Textiles, Paper

21

C

D21C 9/08 (2006.01) D21H 21/02 (2006.01)

Patent

CA 2637691

The present invention relates to compositions and methods for treating pitch problems in chemical pulp by treating chemical pulp process water with a combination of a lipase and a peroxide source. The present invention also relates to compositions and methods for treating pitch problems in chemical pulp by treating chemical pulp process water with a lipase, a peroxide source and organic acid(s).

La présente invention concerne des compositions et des procédés pour le traitement de problèmes de poix dans une pâte chimique par traitement de l'eau de traitement de la pâte chimique avec un mélange d'une lipase et d'une source de peroxyde. La présente invention concerne également des compositions et des procédés pour le traitement de problèmes de poix dans une pâte chimique par traitement de l'eau de traitement de la pâte chimique avec une lipase, une source de peroxyde et un ou des acides organiques.

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