Title:
PROCEDURE FOR THE PRODUCTION OF PULP
Document Type and Number:
Japanese Patent JPH03174079
Kind Code:
A
Abstract:
PURPOSE: To obtain mechanical pulp with attainment of the refining energy reduction despite a shortened treatment time without needing sterilization of the stock by treating a fibrous product with an enzyme to allow the enzyme to act on the (hemi)cellulose in the fibrous product.
CONSTITUTION: The fibrous product is subjected to enzymatic treatment where the enzyme is allowed to act on the hemicellulose and/or cellulose in the fibrous product. In a preferred embodiment, the enzyme is a hydrolase, particularly hemicellulase or the like, and the oxidation-reduction potential is properly adjusted with a suitable oxidation and reduction agent. The enzymatic treatment is preferably carried out at 40-75°C and a pH of 4.0-8.0.
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Inventors:
MARIYA BUAHERI
NIINA SARAMA
KINMO RUOHONIEMI
NIINA SARAMA
KINMO RUOHONIEMI
Application Number:
JP32133990A
Publication Date:
July 29, 1991
Filing Date:
November 27, 1990
Export Citation:
Assignee:
ENSO GUTZEIT OY
International Classes:
C12S3/08; D21B1/02; D21B1/14; D21C3/22; D21C5/00; D21C9/00; D21C9/10; D21D1/20; (IPC1-7): C12S3/08; D21B1/14; D21C3/22; D21C9/00; D21C9/10; D21D1/20
Attorney, Agent or Firm:
Koji Katagiri
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