Apparatus for deinking waste paper pulp

Details Apparatus for deinking waste paper pulp Apparatus for deinking waste paper pulp

B - Operations, Transporting

03

D

92/34

B03D 1/24 (2006.01) D21C 5/02 (2006.01)

Patent

CA 1089272

APPARATUS FOR DEINKING WASTE PAPER PULP ABSTRACT OF THE DISCLOSURE Apparatus for de-inking waste paper pulp using a foam flotation process in which the deinked slurry is to be recycles for the production of paper. The old paper is pulped (slushed), mixed with water and flotation- and other chemicals, to produce a slurry which is introduced into the flotation tank. Movement of the slurry through the flotation tank is achieved by the positioning of one or more water injector nozzles with air inlets which causes a swirling rotation from the injector towards a central outlet. Froth or foam bubbles float to the surface of the slurry carrying ink particles. A baffle plate leads the floated froth or foam and ink particles to a vacuum actuated outlet. - 1 -

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