Process and equipment for the thickening of slurries

Details Process and equipment for the thickening of slurries Process and equipment for the thickening of slurries

B - Operations, Transporting

01

D

182/19

B01D 29/00 (2006.01) B01D 35/22 (2006.01) B65G 53/30 (2006.01)

Patent

CA 1072453

ABSTRACT OF THE DISCLOSURE The present invention provides a process for the con- centration of a slurry which comprises passing the slurry over a plurality of filter elements disposed in a casing, desirably in a direction parallel to the surfaces of the filter elements, at a rate sufficient to prevent the deposition of solids from said slurry on the filter surfaces or to remove solids deposited on the filter surfaces, purified liquid being withdrawn from said filters. The invention also provides an apparatus for concentra- ting a slurry comprising a casing, a plurality of parallel or downstream converting filter elements disposed in the casing, an inlet for said slurry to be concentrated; an outlet for the concentrated slurry and a manifold for collecting and withdrawing filtered liquid from the elements. The apparatus and method are preferably used in connection with a hydraulic conveyor system with two or more sequential pressure stages.

235886

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