Method and apparatus for waste paper treatment

Details Method and apparatus for waste paper treatment Method and apparatus for waste paper treatment

1993-10-05

1996-03-05

Lamb, Brenda A.

Paper making and fiber liberation

Apparatus

Digester

162261, 162243, D21C 700

Patent

active

054964458

ABSTRACT:
A method and apparatus for reclaiming cellulosic fibers from a bale containing waste papers, in which the bale is positioned in a treatment enclosure, and the enclosure is placed under a vacuum. A treating fluid is drawn into the enclosure, which penetrates the bale interior spaces, and produces a preferential swelling-of uncontaminated cellulosic fibers. After the treating fluid is withdrawn from the enclosure, a slurrying fluid is passed through the bale contents, to form a fiber-fluid suspension slurry.

REFERENCES:
patent: 2109559 (1938-03-01), Wickert
patent: 2954730 (1960-10-01), Mosen
patent: 4431480 (1984-02-01), Marklan et al.

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