Explosion pulping

Details Explosion pulping Explosion pulping

D - Textiles, Paper

21

C

9/25, 92/57.3

D21C 7/00 (2006.01)

Patent

CA 2025522

ABSTRACT In an explosion pulping process an inert gas is injected into the steamed pulp prior to explosion, to raise the pressure; the resulting exploded pulp displays improved mechanical properties and requires less refining time and refining energy. By employing lime in a presoaking treatment and carbon dioxide in the inert gas, deposits of calcium carbonate are formed on the fibres, providing improved brightness characteristics.

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