Apparatus for liquid-liquid extraction

Details Apparatus for liquid-liquid extraction Apparatus for liquid-liquid extraction

1978-06-06

1981-07-07

Miles, Tim R.

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Means separating or dissolving a material constituent

4236585, 2101951, 2101953, B01D 1104

Patent

active

042774454

ABSTRACT:
A multistage liquid-liquid extraction apparatus of the mixer-settler type, which is especially suited for performing liquid-liquid extractions accompanied by the formation of a solid phase, comprises a vessel the side-wall of which defines a cylinder or a regular polygonal body, the vessel being divided by means of radial partitions into sectors, each sector comprising a mixer and a settler, and the mixers and the settlers being located near the side-wall of the vessel.
The agitators of the mixers are constituted by pumping turbines; the outlets of the mixers are constituted by weirs located near the side-wall of the vessel; means are provided for making the mixed liquids, discharged at the outlet of the mixers, flow by gravity towards a zone near the axis of the vessel; and the bottom of the vessel is inclined towards the axis of the vessel so as to define a reversed cone or pyramid.

REFERENCES:
patent: 1309219 (1919-07-01), Ruth, Jr.
patent: 2285697 (1942-06-01), Durdin
patent: 2415650 (1947-02-01), McKee
patent: 3097071 (1963-07-01), Lowes et al.
patent: 3140924 (1964-07-01), McCormick et al.
patent: 3362791 (1968-01-01), Ryon
patent: 3479378 (1969-11-01), Orlandini et al.
patent: 3489526 (1970-01-01), Elroy et al.
patent: 3844723 (1974-10-01), Takahata et al.
patent: 3997445 (1976-12-01), Hannestad

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