Decolorization of waste paper with selected amines

Details Decolorization of waste paper with selected amines Decolorization of waste paper with selected amines

D - Textiles, Paper

21

C

D21C 9/10 (2006.01) D21C 5/02 (2006.01) D21C 9/16 (2006.01)

Patent

CA 2128805

ABSTRACT A method for bleaching pulp containing pulp from colored waste paper, wherein the method comprises bleaching the pulp with a bleaching chemical, especially sodium hydrosulfite, in the presence of a selected ethoxylated amine.

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