Method at mechanical cellulose pulp manufacture

Details Method at mechanical cellulose pulp manufacture Method at mechanical cellulose pulp manufacture

D - Textiles, Paper

21

C

9/34, 8/78

D21C 9/10 (2006.01) D21C 9/08 (2006.01)

Patent

CA 1174013

Abstract of the Disclosure The invention relates to a method of manufacturing cellulose pulp free of resin in a closed system. The resin is dispersed in a refiner step and in a subsequent alkaline bleaching step and is washed-out in a counterflow-process with a washing effect of at least 70% and successively decreasing ion strength.

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