Recycling of xerographic waste paper using organic particulates

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste

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162 4, 162 6, D21C 502

Patent

active

054416019

ABSTRACT:
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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