High yield pulping process

Details High yield pulping process High yield pulping process

D - Textiles, Paper

21

C

9/16, 9/36.2

D21C 3/02 (2006.01)

Patent

CA 1042159

ABSTRACT OF THE DISCLOSURE High-yield pulp suitable for the production of corragating medium is produced by cooking hardwood chips at a temperature 180° - 192° with sodium carbonate solutious of a concentration 65 to 120 g/l as Ma2O, at a liquor to wood ratio of 1.2 - 2.5, and mechanically refining the cooked chips in a primary refining stage to a C. S. Freeness less than 480.

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