Method and apparatus for improving a batch cooking process

Details Method and apparatus for improving a batch cooking process Method and apparatus for improving a batch cooking process

1996-11-01

1998-09-01

Czaja, Donald E.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Charging and/or discharging fibrous material

162 60, 162233, 162241, 162242, 162246, D21C 708

Patent

active

058006745

ABSTRACT:
A method and apparatus for improving a batch cooking process, e.g. providing about 7% increase in discharge time, are provided. The invention is especially suitable for improving modern displacement batch cooking processes. A dedicated pump is mounted directly to each digester and discharges to a common superatmospheric pressure discharge tank.

REFERENCES:
patent: 1814027 (1931-07-01), Dunbar
patent: 1818913 (1931-08-01), Van De Carr, Jr.
patent: 4138311 (1979-02-01), Neno
patent: 4814042 (1989-03-01), MacLeod et al.
Cyr et al "Stronger Kraft Softwood Pulp --Achieved|", TAPPI Journal, Oct., 1989, pp. 157-163.

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