Process for continuous digestion of finely-divided material with

Details Process for continuous digestion of finely-divided material with Process for continuous digestion of finely-divided material with

1982-12-20

1986-08-26

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Continuous chemical treatment or continuous charging or...

162 43, 162 44, 162 47, 162250, D21C 710, D21C 714

Patent

active

046081216

ABSTRACT:
A process for continuous digestion of wood chips which are passed through a heating zone, a digesting zone and a cooling zone in contact with cooking liquor is disclosed. In this process the wood chips are fed into and the liquid phase removed from the input end of the heating zone in such relative quantities that their heat-capacity flows are of approximately the same order of magnitude.

REFERENCES:
patent: 2824800 (1958-02-01), Rosenblad
patent: 3427218 (1969-02-01), Richter
patent: 4071399 (1978-01-01), Prough
Schmidt et al., "Material and Energy Balances" Prentice-Hall Inc.; Englewood Cliffs, 1962, pp. 169-173.

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