Recycling of xerographic waste paper using organic particulates

D - Textiles – Paper – 21 – C

Patent

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D21C 5/02 (2006.01) C02F 1/56 (2006.01)

Patent

CA 2126939

ABSTRACT OF THE DISCLOSURE A method for deinking of repulped xerographic paper comprising adding an organic polymeric particulate and a substantially water insoluble organic ester to a repulped aqueous slurry containing xerographic toner particles in an amount sufficient to at least partially agglomerate the xerographic toner particles within the slurry to larger particle sizes; and removing the xerographic toner particles from the slurry by one or more liquid/solid separation techniques.

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