C - Chemistry – Metallurgy – 12 – S
Patent
C - Chemistry, Metallurgy
12
S
195/60
C12S 3/08 (2006.01) D21C 5/00 (2006.01)
Patent
CA 1339605
The invention relates to a method for improving the drainability of mechanical pulp or pulp mainly containing mechanical pulp by means of enzyme treatment by adding to the pulp at least one hemicellulose-dissolving enzyme or an enzyme preparation containing at least one hemicellulose-dissolving enzyme and being substantially free from cellulose-dissolving enzymes. The enzyme treatment according to the invention not only improves the drainability of the pulp but also retains the strength properties of the pulp since no cellulose-dissolving enzymes are used.
606351
Karsila Sakari
Kruus Ilkka
Puuppo Outi
Cultor Ltd.
Genencor International Europe Oy
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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