Procedure and apparatus for cellulose washing

Details Procedure and apparatus for cellulose washing Procedure and apparatus for cellulose washing

1979-05-31

1981-09-29

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With washing

8156, 68181R, D21C 902

Patent

active

042921236

ABSTRACT:
Procedure and apparatus for the washing of cellulose in the form of a continuous web. The continuous web produced in a concentrating zone is washed in a washing zone comprising between 2 and 6 washing steps, so that into the web pressurized washing liquid is introduced according to the counter-current principle to the purpose of displacing the suspension liquid contained in the web, using one pumping operation for transporting the washing liquid through a plurality of washing steps.

REFERENCES:
patent: 2352304 (1944-06-01), Young
patent: 2510254 (1950-06-01), Richter
patent: 4158297 (1979-06-01), Winch

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