Countercurrent decantation

Details Countercurrent decantation Countercurrent decantation

B - Operations, Transporting

01

J

23/365, 23/411

B01J 8/12 (2006.01) B01D 11/02 (2006.01) C22B 3/22 (2006.01) B01D 11/00 (2006.01)

Patent

CA 1085592

ABSTRACT In countercurrent decantation, upwardly flowing liquid is treated with downwardly falling solids in a progressive series of vertically stacked treatment cells. Solids fall through a valve from one cell to the next. The valve is a buoyant sphere which will sink, to open, under a weight of solids, but the valve is sufficiently buoyant to close when there is still enough solid queuing thereon to prevent liquid from passing through it.

301886

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