Reactor system for treating cellulosic pulp at a constant upward

Details Reactor system for treating cellulosic pulp at a constant upward Reactor system for treating cellulosic pulp at a constant upward

1992-06-08

1994-12-13

Alvo, Steve

Paper making and fiber liberation

Apparatus

Digester

162246, 422233, D21C 706, D21C 708

Patent

active

053726790

ABSTRACT:
A reactor system is disclosed for the treatment of cellulosic pulp in which pulp is distributed upward through a vertical reactor using a unique conical distributor and is discharged using a unique dilution method to eliminate plugging. The system is particularly useful for delignifying virgin wood pulps or decolorizing pulps made from waste paper materials.

REFERENCES:
patent: 1776761 (1930-09-01), Morterud
patent: 2198587 (1940-04-01), Skinner
patent: 3313678 (1967-04-01), Rydin
patent: 3397718 (1968-08-01), Jones
patent: 3660225 (1972-05-01), Verreyne et al.
patent: 3992248 (1976-11-01), Hurter
patent: 4886577 (1989-12-01), Wiley
patent: 5034095 (1991-07-01), Kido et al.

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