Apparatus and process for digesting cellulosic material

Details Apparatus and process for digesting cellulosic material Apparatus and process for digesting cellulosic material

2007-04-05

2010-10-12

Halpern, Mark (Department: 1791)

Paper making and fiber liberation

Apparatus

Digester

C162S247000, C162S249000, C422S289000, C422S290000

Reexamination Certificate

active

07811416

ABSTRACT:
Provided is an apparatus for digesting cellulosic material that includes a vessel containing a digestion chamber and having an opening that provides access to the digestion chamber. A container for holding the cellulosic material is located within the digestion chamber. A closure interfaces with the vessel opening to form a seal against a predetermined digestion pressure and temperature within the chamber. A fluid-transporting system directs digestion fluids from a supply in the digestion chamber through a port and the container toward any cellulosic material therein. Digestion fluid distributed from the port through the container soaks the cellulosic material. Also provided are processes for digestion cellulosic material.

REFERENCES:
patent: 5114540 (1992-05-01), Law
M/K Systems 750 Series Laboratory Digester Product sheet, Jun. 2008.

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