Liquid—liquid extraction apparatus and method

Details Liquid—liquid extraction apparatus and method Liquid—liquid extraction apparatus and method

2005-11-08

2005-11-08

Drodge, Joseph (Department: 1723)

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

C196S014520, C208S317000, C210S511000, C422S256000

Reexamination Certificate

active

06962661

ABSTRACT:
Method and apparatus for contacting two liquid phases for liquid-liquid extraction in a vertical extraction vessel. A relatively heavier liquid phase, descending the extraction vessel at a relatively low volumetric flow rate, is dispersed into a continuous phase comprising a relatively lighter liquid rising through the extraction vessel at a relatively high flow rate. Sieve trays are provided with adjustable active areas and overlapping manways for personnel access.

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patent: 4588563 (1986-05-01), Fiocco
patent: 5047179 (1991-09-01), Nye
patent: 5049319 (1991-09-01), Nye

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