Chemimechanical or mechanical pulp manufacture with reduced...

Details Chemimechanical or mechanical pulp manufacture with reduced... Chemimechanical or mechanical pulp manufacture with reduced...

D - Textiles, Paper

21

B

D21B 1/02 (2006.01)

Patent

CA 2285148

Energy consumption is reduced when producing chemimechanical or mechanical pulp from pieces of pulp raw material, such as wood chips, sawdust, straw chaff or bagasse chaff, in a refiner, by subjecting the pieces of pulp raw material to bulk-density reducing plastic deformation between compression rolls prior to refining said material, this plastic deformation being continued until a reduction in bulk density of 35-65% is reached.

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