Serial flow continuous separation process

Details Serial flow continuous separation process Serial flow continuous separation process

1984-06-18

1985-02-12

Cintins, Ivars

Liquid purification or separation

Processes

Chromatography

55 67, 55 74, 127 461, 210672, 210677, B01D 1508

Patent

active

044989911

ABSTRACT:
A process for separating an extract component from a raffinate component contained in a feed mixture. A unidirectional fluid flow system is maintained through a series of separating units through which the components travel at different rates. The units are interconnected in series so as to form a single closed loop. A component concentration distribution is established within the system of units so as to comprise a series of zones. Feed and displacement fluid are each mixed with a different intercolumn stream prior to being passed into the inlets of two of the units and extract and raffinate are taken only as portions of streams from outlets of two or more of the units at appropriate points on the component concentration distribution. At the appropriate times the inlets and outlets are shifted so as to simulate movement of the units in a direction downstream with respect to the direction of fluid flow and thereby enable the inlets and outlets to continually lie in the appropriate zones.

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Japanese Public Disclosure 118400/80 (Public Disclosure Date Sep. 11, 1980), of Miyahara et al.

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