Process and device for discharging lignocellulose raw...

Details Process and device for discharging lignocellulose raw... Process and device for discharging lignocellulose raw...

2008-01-01

2008-01-01

Hug, Eric (Department: 1731)

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Charging and/or discharging fibrous material

C162S027000, C162S028000, C162S056000

Reexamination Certificate

active

07314538

ABSTRACT:
A process for refining lignocellulose raw materials, especially wood chips, saw dust, annual plants or wood waste, includes dewatering the lignocellulose raw materials discharged from a digester, extracting condensate produced during dewatering, and refining the dewatered lignocellulose raw materials in a refiner.

REFERENCES:
patent: 3841465 (1974-10-01), Miller et al.
patent: 4248662 (1981-02-01), Wallick
patent: 4259147 (1981-03-01), Gordy
patent: 4274786 (1981-06-01), Svensson et al.
patent: 4491504 (1985-01-01), Engall
patent: 4599138 (1986-07-01), Lindahl
patent: 6899791 (2005-05-01), Sabourin
patent: 658104 (1951-10-01), None

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