Process for removing inks from waste paper

Details Process for removing inks from waste paper Process for removing inks from waste paper

D - Textiles, Paper

21

C

D21C 5/02 (2006.01)

Patent

CA 2240959

A process for removing oil-based inks and/or waterborne inks under slightly acidic, neutral or alkaline conditions by using either a flotation technique and/or a washing technique by using a novel deiking agent having a quartenized nitrogen group is provided.

Procédé permettant d'extraire les encres à base d'huile et/ou les encres à base d'eau dans des conditions légèrement acides, neutres ou alcalines dans lequel on utilise une technique de flottation et/ou une technique de lavage mettant en oeuvre un nouvel agent de désencrage renfermant un groupe azote quaternisé.

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