Liquid–liquid extraction
![Coflore continuous countercurrent extractor.](/Images/godic/202501/24/Coflore_ACX3320.png")
![4 stage battery of mixer-settlers for counter-current extraction.](/Images/godic/202501/24/Mixer-settler-schema3320.jpg")
![](/Images/godic/202501/24/-Separation02.ogg3321.jpg")
Liquid–liquid extraction (LLE) consists in transferring one (or more) solute(s) contained in a feed solution to another immiscible liquid (solvent). The solvent that is enriched in solute(s) is called extract. The feed solution that is depleted in solute(s) is called raffinate.