Hypochlorite treatment of chemical paper pulp

Details Hypochlorite treatment of chemical paper pulp Hypochlorite treatment of chemical paper pulp

D - Textiles, Paper

21

C

8/80

D21C 9/10 (2006.01) D21C 9/14 (2006.01)

Patent

CA 1269805

PRECIS DE LA DIVULGATION: L'invention concerne un procédé pour le blanchiment de pâtes papetières chimiques à l'aide d'une solution alcaline d'hypochlorite, puis de peroxyde d'hydrogène, sans lavage intermédiaire, caractérisé en ce que, sans lavage préalable de la pâte traitée, le peroxyde d'hydrogène est ajouté lorsque 85% à 95% de l'hypochlorite est consommé.

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