Deinking process

Details Deinking process Deinking process

D - Textiles, Paper

21

C

D21C 5/02 (2006.01)

Patent

CA 2099755

- 7 - ABSTRACT OF THE DISCLOSURE Deinking of recycled waste paper, including magazine and other coated papers and office waste paper, is effected by mechanical action through the application of shear forces to a slurry of water and the waste paper, causing the fibers in the waste paper to form pulp and the ink particles and other solid contaminants to be removed from the fibers and to be sized suitable for flotation separation. The ink particles and other solid contaminants are separated from the pulp fibers by flotation. The procedure provides effective deinking without the necessity for the use of chemicals.

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