Process and enzyme preparation for preparing mechanical pulp

Details Process and enzyme preparation for preparing mechanical pulp Process and enzyme preparation for preparing mechanical pulp

C - Chemistry, Metallurgy

12

S

C12S 3/08 (2006.01) C12N 9/24 (2006.01) D21B 1/02 (2006.01) D21C 3/00 (2006.01) D21C 5/00 (2006.01)

Patent

CA 2157512

The invention concerns an enzymatic process for pretreatment of wood raw- material which makes it possible to reduce the specific energy consumption of mechanical pulping and to improve the technical properties of the fibres. Cellobiohydrolase and mannanase enzymes produced by, e.g, the fungus Trichoderma reesei or other organisms are used for the treatment.

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