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Liquid-Liquid Extraction Unit

Liquid extraction, sometimes called solvent extraction, is the separation of constituents of a liquid solution by contact with another insoluble liquid. The unit described here is for a semi-batch operation.
The liquid to be extracted is poured into an extraction vessel. Solvent is boiled in a reboiler vessel and condensed in an overhead condenser, the condensed liquid collected in a reflux divider and passed through pipework to the extraction vessel. The pipework incorporates valves in order that the solvent can enter the extraction vessel at either the base of the top, depending on the relative densities of the solvent and liquid to be extracted. The solvent and the extracted liquid pass back to the reboiler and the process is repeated until the extraction is complete. The extraction vessel is then drained and the solvent evaporated from the reboiler vessel and collected in the extraction vessel enables the two liquids to be drained from their respective vessels.
The unit is available in vessel sizes of 10, 20, & 50L and is suitable for operation under atmospheric pressure.

 

REACTOR
CAPACITY
BATH
KW
VAPOUR
LINE
EXTRACTION
VESSEL
CONDENSER
HTA(m2)
UNIT
CAT. REF.
10L 3 40mm x 1m 10 L 0.35 ALLU 10
20L 4.5 50mm x 1m 20 L 0.5 ALLU 20
50L 6 80mm x 1m 50 L 1.5 ALLU 50

 

Liquid-Liquid Extraction Unit