Paper-pulp deinking method and equipment to implement this metho

Details Paper-pulp deinking method and equipment to implement this metho Paper-pulp deinking method and equipment to implement this metho

1997-05-22

1999-11-09

Lithgow, Thomas M.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209168, B03D 124, D21C 502

Patent

active

059796650

ABSTRACT:
Equipment for deinking paper pulp, wherein the batch of pulp to be deinked is made to circulate to move from top to bottom whereas the air bubbles are introduced at least in the lower part and move from bottom to top, characterized in that the pulp descends from top to bottom while being recycled in several consecutive and superposed stages.

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patent: 5454935 (1995-10-01), Magaraggia

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