Multistage vertical extractor for liquid-liquid counterflow extr

Details Multistage vertical extractor for liquid-liquid counterflow extr Multistage vertical extractor for liquid-liquid counterflow extr

1974-03-06

1976-07-20

Emery, Stephen J.

Chemistry: physical processes

Physical processes

Crystallization

196 1452, 23267MS, B01D 1104

Patent

active

039704327

ABSTRACT:
A liquid-liquid counterflow extractor has a plurality of stacked stages each of which is provided with a mixer and a separator, the stages being traversed in succession by an upwardly flowing relatively low-density (light) phase and downwardly by the relatively high-density (heavy) phase. The separations of adjacent stages have lateral outlets which can be selectively connected to the inlets of a pump which can serve to displace one of the phases from one stage to another or to circulate a phase within one stage.

REFERENCES:
patent: 2164193 (1939-06-01), McKittrick
patent: 2201550 (1940-05-01), Van Dijch
patent: 3325255 (1967-06-01), Treybal
patent: 3433599 (1969-03-01), Mehner

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