Production of mechanical wood pulp

Details Production of mechanical wood pulp Production of mechanical wood pulp

D - Textiles, Paper

21

B

92/54

D21B 1/00 (2006.01) D21B 1/16 (2006.01)

Patent

CA 1138697

ABSTRACT OF THE DISCLOSURE Wood is pulped by the action of a grinding member in the presence of a liquid. In order that the process can be carried out at a temperature above 100°C, either under pressure or at atmospheric pressure, a liquid is used which has a boiling point at atmospheric pressure above 100°C. Previous- ly, water has been employed as the liquid.

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