Process for delignifying and/or bleaching cellulose pulp

Details Process for delignifying and/or bleaching cellulose pulp Process for delignifying and/or bleaching cellulose pulp

D - Textiles, Paper

21

C

8/79

D21C 9/14 (2006.01) D21C 9/12 (2006.01)

Patent

CA 1149111

16-256 PROCESS FOR DELIGNIFYING AND/OR BLEACHING CELLULOSE PULP ABSTRACT OF THE DISCLOSURE The process for delignifying and/or bleaching cellulose pulp comprises adding chlorine dioxide first to the cellulose pulp, and then chlorine, the chlorine being supplied to the cellulose pulp sequentially in two or more increments in the Course of this stage of the delignifying and/or bleaching process.

390873

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