Method for reducing colored matter from bleach effluent...

Details Method for reducing colored matter from bleach effluent... Method for reducing colored matter from bleach effluent...

D - Textiles, Paper

21

C

D21C 9/14 (2006.01) D21C 9/153 (2006.01)

Patent

CA 2107883

2107883 9217639 PCTABS00016 A process for bleaching cellulosic pulp to a G.E. brightness of at least about 75 and a viscosity of at least about 14 wherein the effluent from the the bleaching process is of reduced colored matter content and exhibits reduced COD. The process comprises DZD stages without interstage treatment of the pulp other than by an optional water wash.

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