Hydrogen peroxide whitening process for mechanical pulp

D - Textiles – Paper – 21 – C

Patent

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8/78.1

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

Patent

CA 1259454

ABREGE DESCRIPTIF Procédé de blanchiment de pâte mécanique par le peroxyde d'hydrogène, caractérisé en ce que préalablement ou simultanément audit traitement peroxyde, la pâte méca- nique est soumise à une pression d'oxygène. Application au blanchiment des pâtes papetières mécaniques.

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