Document Type and Number:
Japanese Patent JPH0415312
Kind Code:
B2
Abstract:
A modified batch cooking technique for making sulfate pulp with a high degree of delignification or with a normal degree of delignification but with increased pulp viscosity. This is effected by one or several displacements of the liquor in the digester with liquor of the same temperature as the cooking liquor but with a lower lignin content.
Inventors:
NIRUSU YOSEFU KURISUTOFUERU HARUTOREERU
KARURUUERIKU REKANDEERU
RARUSU TOOSUTEN SUYOODEIN
PEERU YOHAN MOYOBERUI
KARURUUERIKU REKANDEERU
RARUSU TOOSUTEN SUYOODEIN
PEERU YOHAN MOYOBERUI
Application Number:
JP7366483A
Publication Date:
March 17, 1992
Filing Date:
April 26, 1983
Export Citation:
Assignee:
SHUNDOSU DEFUIBURATOORU AB
International Classes:
D21C3/02; D21C3/22; D21C7/14
Next Patent: INSTALLATION METHOD FOR CERAMIC BEARING