Procedure for the production of pulp

Details Procedure for the production of pulp Procedure for the production of pulp

D - Textiles, Paper

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C

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D21C 9/00 (2006.01) C12S 3/08 (2006.01) D21B 1/02 (2006.01) D21C 5/00 (2006.01)

Patent

CA 2030186

74131-1 ABSTRACT OF DISCLOSURE Disclosed is a procedure for the production of mechani- cal pulp from a fibrous product. To reduce a refining energy, the fibrous product is subjected to an enzyme treament in which an en- zyme acts on lignin in the fibrous product. When oxidizing en- zymes are used, it is preferable to adjust the redox potential to the optimum level characteristic of each oxidation-reduction en- zyme by means of suitable oxidation-reduction chemicals. In addi- tion to reducing the refining energy consumption, the enzyme treatment also improves the strength properties and the blue reflectance factor of the pulp.

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