Enzymatic press felt treatment

Details Enzymatic press felt treatment Enzymatic press felt treatment

D - Textiles, Paper

21

H

D21H 21/02 (2006.01) B08B 1/02 (2006.01) C11D 3/386 (2006.01)

Patent

CA 2489913

Methods for reducing or inhibiting deposition on or within press felts to increase the effective life of the press felt and reduce or eliminate the need for batch cleaning are disclosed. The methods disclosed treat press felt while paper is being produced with compositions containing at least one enzyme. Additionally, the enzymes can be applied in combination with other non- enzymatic felt conditioning products either by blending and applying at the same application point or by applying the enzyme and the non-enzymatic felt conditioning product at two different locations along the felt. The treatments are applied continuously or intermittently.

La présente invention concerne des procédés permettant de diminuer ou d'inhiber le dépôt sur ou à l'intérieur de feutres de presse afin d'augmenter la durée de vie efficace du feutre de presse et afin de diminuer ou d'éliminer la nécessité d'un nettoyage discontinu. Lesdits procédés permettent de traiter le feutre de presse pendant la production de papier à l'aide de compositions contenant au moins une enzyme. De plus, les enzymes peuvent être appliquées en combinaison avec d'autres produits de conditionnement de feutre non enzymatiques par mélange et application sur le même point d'application ou par application de l'enzyme et du produit de conditionnement de feutre non enzymatique sur deux emplacements différents le long du feutre. Les traitements sont appliqués en continu ou de manière intermittente.

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