Bleaching process and composition

Details Bleaching process and composition Bleaching process and composition

D - Textiles, Paper

21

C

8/79

D21C 9/12 (2006.01)

Patent

CA 1262501

Bleaching Process and Composition Abstract A process and composition especially suited for bleaching wood pulp characterized by the use of hypo- chlorous acid in combination with chlorine dioxide and/or a nitrogen compound having the characteristic of minimizing fiber degradation and enhancing fiber brightness. The preferred composition is in an aqueous solution adjusted to an optimum pH and is used as a direct replacement for conventional compositions so as to effect substantial savings in the costs of chemicals and energy per ton of bleached pulp.

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