| abstract |
A method of carboxylating wood pulp in a wood pulp bleach plant bynadding a base chemical to the pulp slurry after a bleach stage washer,nadding catalytic oxidation chemicals to the pulp slurry and reacting thenchemicals with the pulp between the bleach stage washer and the nextnbleach stage to form oxidized pulp, adding stabilizing chemicals to thencatalytically oxidized pulp before the next bleach stage, and stabilizingnthe catalytically oxidized pulp in the next bleach stage. |