Deinking of xerographic paper

Details Deinking of xerographic paper Deinking of xerographic paper

D - Textiles, Paper

21

C

D21C 5/02 (2006.01)

Patent

CA 2105829

Abstract of the Invention A method for deinking of repulped xerographic paper comprises adding a substantially water insoluble organic ester to a repulped aqueous slurry containing xerographic toner particles. The ester at least partially agglomerates the xerographic toner particles within the slurry to larger particle sizes. The agglomerated xerographic toner particles can the be removed from the slurry by one or more liquid/solid separation techniques far more readily than their toner particle precursors.

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