Method of processing a sidestream with a hydrocyclone

Details Method of processing a sidestream with a hydrocyclone Method of processing a sidestream with a hydrocyclone

1993-10-25

1995-08-01

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

2105122, 210787, 210805, 210294, 422256, 268313, B01D 1160, B01D 2126

Patent

active

054378001

ABSTRACT:
A method of processing one or more multi-component sidestreams from a separation tower through a hydrocyclone(s) to remove a particular component from the sidestream before returning the remaining components of the stream to the tower for further processing. A sidestream is withdrawn from a first vertical point along a separation tower and is passed through a hydrocyclone which is operated at a split ratio so that the maximum amount of the unwanted component (e.g. water) is removed from the feedstream through the underflow of the hydrocyclone. The remaining components in the feedstream (now substantially free of the unwanted component, flows out the overflow of the hydrocyclone and are passed back into tower through a second vertical point below the withdrawal point to be further processed in the tower. Additional sidestreams can be withdrawn from the tower and processed in the same manner through respective hydrocyclones.

REFERENCES:
patent: 4161428 (1979-07-01), Gottschlich et al.
patent: 4783272 (1988-11-01), Patterson
patent: 5076930 (1991-12-01), Rubin
patent: 5310480 (1994-05-01), Vidueira

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