Methods to enhance pulp bleaching and delignification

Details Methods to enhance pulp bleaching and delignification Methods to enhance pulp bleaching and delignification

D - Textiles, Paper

21

C

D21C 3/20 (2006.01) D21C 3/22 (2006.01) D21C 9/147 (2006.01)

Patent

CA 2443340

A method to enhance brightness in Chemical and Mechanical pulps comprising adding an organic sulfide chelant is described and claimed. A method to enhance delignification in a Chemical pulp comprising adding an organic sulfide chelant is also described and claimed.

L'invention concerne un procédé permettant d'améliorer le degré de blanchiment des pâtes chimiques et mécaniques, consistant à ajouter un chélateur à base de sulfure organique. L'invention concerne également un procédé permettant d'améliorer le degré de délignification d'une pâte chimique, consistant à ajouter un chélateur à base de sulfure organique.

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