Process for deinking paper using water-soluble alcohols

Details Process for deinking paper using water-soluble alcohols Process for deinking paper using water-soluble alcohols

1992-12-10

1994-08-30

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 55, 162 77, D21C 502

Patent

active

053424832

ABSTRACT:
A process for deinking wastepaper by combining a water-miscible organic solvent with inked paper to create a solvent/paper slurry, agitating the solvent/paper slurry to assist in releasing ink from the paper, separating the ink-ladden solvent from the paper, and washing residual ink and solvent from the paper.

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