Pitch and stickies control in pulp and papermaking processes

Details Pitch and stickies control in pulp and papermaking processes Pitch and stickies control in pulp and papermaking processes

D - Textiles, Paper

21

H

D21H 21/02 (2006.01) D21C 9/08 (2006.01) D21H 17/26 (2006.01)

Patent

CA 2668597

Methods for inhibiting the depositions of organic contaminants from pulp in pulp and papermaking systems are disclosed. A combination of an enzyme and a nonionic polymeric detackifier are added to the pulp or applied to deposition-prone process equipment surfaces of a pulp and papermaking system.

La présente invention concerne des procédés permettant d'empêcher le dépôt de contaminants organiques provenant de la pâte à papier dans les systèmes de fabrication de papier et pâte à papier. On utilise l'association d'une enzyme et d'un anti-adhésif polymère non ionique que l'on ajoute à la pâte à papier ou que l'on applique sur des surfaces d'équipement de traitement sujettes à la formation de dépôt d'un système de fabrication de papier et pâte à papier.

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