Solvent extraction as the name describes is “extraction of oil” from seeds, cakes or oil-bearing material by using a Solvent. Normally Hexane a petroleum by-product is used as a solvent.
Solvent extraction is caried out regularly in the laboratory by the chemists as a common purification procedure in organic synthesis. In analytical separations, certain solvents preferentially remove one or more constituents from a solution quantitatively. Batch extractions of this sort, on a small scale, are usually done by separator funnels, where the mechanical agitation is supplied by handshaking of the funnel.
A technique, also called liquid extraction, for separating the components of a liquid solution. This technique depends upon the selective dissolving of one or more constituents of the solution into a suitable immiscible liquid solvent. It is particularly useful industrially for separation of the constituents of a mixture according to chemical type, especially when methods that depend upon different physical properties, such as the separation by distillation of substances of different vapor pressures, either fail entirely or become too expensive. Solvent plants using solvent extraction require equipment for carrying out the extraction itself (extractor) and for essentially complete recovery of the solvent for reuse, usually by distillation. Yangjiang\’s Solvent plants have been operating globally for more than a decade. Yangjiang has delivered a proven design for the solvent extraction plant which is simple to operate, robust in working and operator friendly and flexible for easy change-over of the process material and with inbuilt safety features.
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