Method and apparatus for treating pulp

Details Method and apparatus for treating pulp Method and apparatus for treating pulp

D - Textiles, Paper

21

C

D21C 9/147 (2006.01) D21C 9/06 (2006.01) D21C 11/00 (2006.01) D21C 9/16 (2006.01)

Patent

CA 2347454

The present invention relates to a method of treating chemical pulp in order to optimize the consumption of bleaching chemicals and to improve the quality of the pulp. Especially the invention relates to a method according to which filtrate obtained from a suitable stage of the washing of brown stock preferably cooked by an alkaline cooking method is treated with an oxidizing chemical prior to the oxygen stage following the brown stock washing.

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