Method of peroxide bleaching of pulp using a peroxide decomposin

Details Method of peroxide bleaching of pulp using a peroxide decomposin Method of peroxide bleaching of pulp using a peroxide decomposin

1994-10-28

1997-04-08

Alvo, Steven

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 65, 162 70, 162 87, 162 78, D21C 916

Patent

active

056183852

ABSTRACT:
Chlorine dioxide is used to stabilize hydrogen peroxide in bleach liquor at alkaline pH. This is thought to be aided by the destruction of enzymes (especially catalase) produced by bacteria. The method is useful for the reprocessing of pulps, especially when a de-inking stage is involved.

REFERENCES:
patent: 2358866 (1944-09-01), MacMahon
patent: 3663357 (1972-05-01), Liebergott et al.
patent: 3817828 (1974-06-01), Bendiner
patent: 3865685 (1975-02-01), Hebbel et al.
patent: 4053352 (1977-10-01), Hultman et al.

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