Processes and devices for the disintegration of cellulose materi

Details Processes and devices for the disintegration of cellulose materi Processes and devices for the disintegration of cellulose materi

1980-08-25

1984-04-17

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Charging and/or discharging fibrous material

162 4, 162 55, 209 17, 241 24, 241 28, D21C 500, D21C 502

Patent

active

044432968

ABSTRACT:
A process is provided for the removal from paper pulp of impurities, the pulp being contained in a pulping machine. Some of the pulp is periodically transferred into an enclosed chamber annexed to the pulping machine, the chamber having a volume which is small compared to the volume of the pulping machine. The pulp in the chamber is stirred and separated by a rotor, and fibre suspension is returned to the pulping machine, dilution water being introduced into this chamber. The chamber is emptied and impurities thereafter discharged.

REFERENCES:
patent: 3428261 (1969-02-01), Moulton
patent: 3859206 (1975-01-01), Baggaley
patent: 3946951 (1976-03-01), Danforth
patent: 4017033 (1977-04-01), Tra
patent: 4219381 (1980-08-01), Schnell

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