Pulp

Details Pulp Pulp

D - Textiles, Paper

21

B

19/3, 92/54

D21B 1/06 (2006.01) D21B 1/12 (2006.01) D21C 9/00 (2006.01) D21F 11/14 (2006.01) F26B 17/10 (2006.01)

Patent

CA 1052156

ABSTRACT OF THE DISCLOSURE Dry wood pulp is prepared by thermomechanically pulping wood chips and drying the pulp so formed by contacting it with a gas at a temperature of 300-600°C in or at the entry of a high turbulence mixer through which the pulp and hot gas pass and which exerts a shearing action on the pulp to separate fibre bundles in the pulp. The ratio of moisture to dry wood solids is maintained at less than 5:1 throughout the process. The pulp is suitable for use as fluffing pulp or can be used to directly feed a dry forming paper-making or board-making process. -1-

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