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Liquid extraction is an operation used to separate the components of a liquid mixture of two or more species: In the simplest case, the mixture contains two components: a solute (A) and a liquid solvent (B). The mixture is contacted in an agitated wessle with a second liquid solvent (C) that has two kerproperties: A dissolves in it, and 8 is immiscible or nearly immisciale with it. (For example, B may be water, C a hydrocarbon oll, and A a species that has significant solubility in both water and oil) Some of the A transfers from B to C, and then the B rich phase (the raffirstel and the Crich phase (the extract) separate from each other in a settling tank If the raffinate is then contacted with fresh Cin another stage, more A will be transforred from it. This process can be repeated unta tissentially all of the A has been vatracted from the B. Shown below is a flowchart of a process in which acetic acis (aa) is extracted from a moxture of acetic acid and water (w) into 1 thexanof (h), a liguid innuscible with water. Gream Conpouticre inasifrixtionel