Pulp dewatering process

Details Pulp dewatering process Pulp dewatering process

1989-03-28

1990-11-13

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

162100, 1621646, 162166, 1621682, 1621683, 162175, 1621816, 1621818, 162182, 162183, D21H 1720, D21H 1768

Patent

active

049699768

ABSTRACT:
Dry market pulp is made by shearing a cellulosic suspension and draining it through a screen to form a pulp sheet which is then dried, and the productivity of the process is increased by adding a water soluble cationic polymer before the shearing and bentonite or other suitable inorganic material after the shearing.

REFERENCES:
patent: 4305781 (1981-12-01), Langley et al.
patent: 4753710 (1988-06-01), Langley et al.

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