Method for distributing cellulosic pulp through a reactor at a c

Details Method for distributing cellulosic pulp through a reactor at a c Method for distributing cellulosic pulp through a reactor at a c

1994-01-27

1995-03-14

Alvo, Steve

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 6, 162 52, 162 65, D21C 502, D21C 706, D21C 708

Patent

active

053974344

ABSTRACT:
Method 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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