Reactor system for treating cellulosic pulp

Details Reactor system for treating cellulosic pulp Reactor system for treating cellulosic pulp

D - Textiles, Paper

21

C

D21C 9/10 (2006.01) D21C 5/02 (2006.01) D21C 7/00 (2006.01) D21C 9/147 (2006.01) D21C 9/153 (2006.01)

Patent

CA 2097473

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.

La présente invention vise un système de réacteur servant au traitement de la pâte cellulosique, selon lequel la pâte est acheminée vers le haut dans un réacteur vertical à l'aide d'un distributeur de forme conique unique et évacuée grâce à une méthode de dilution également unique permettant d'éliminer les obstructions. Le système est particulièrement utile pour la délignification des pâtes de bois vierges et la décoloration des pâtes obtenues à partir de papiers mis au rebut.

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