Process for the chemical refining of cellulose pulp

Details Process for the chemical refining of cellulose pulp Process for the chemical refining of cellulose pulp

1979-04-02

1981-01-13

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Continuous chemical treatment or continuous charging or...

162 19, 162 46, 162 57, 162 60, 162 63, 162 68, 162 72, 162 76, 162 78, 162 80, 162 83, 162 90, D21C 326

Patent

active

042447780

ABSTRACT:
A process is provided for the chemical refining of cellulose pulp which comprises, in sequence, the steps of:

REFERENCES:
patent: 2513344 (1950-07-01), McEwen
patent: 2707146 (1955-04-01), Burton
patent: 2920011 (1960-01-01), Eilers
patent: 2963395 (1960-12-01), Back et al.
patent: 3255071 (1966-06-01), Kleinert
patent: 3256614 (1966-06-01), Dunbar
patent: 3668063 (1972-06-01), Engstrom
patent: 4030969 (1977-06-01), Asplund et al.
patent: 4160693 (1979-07-01), Lindahl et al.

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