Method of high yield paper pulp bleaching using hydrogen...

Details Method of high yield paper pulp bleaching using hydrogen... Method of high yield paper pulp bleaching using hydrogen...

D - Textiles, Paper

21

C

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

Patent

CA 2176030

Bleaching process characterized in that a heterogeneous reactive medium is formed containing the pulp, an alcohol and hydrogen peroxide in an aqueous solution, the weight ratio of all the water of the medium to the alcohol being 0.001 to 0.5.

Ce procédé de blanchiment se caractérise en ce qu'on forme un milieu réactionnel hétérogène contenant la pâte, un alcool et du peroxyde d'hydrogène en solution aqueuse, le rapport en poids de l'eau totale du milieu sur l'alcool étant de 0,001 à 0,5.

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