A Stage Extraction Process Is Depicted In Figure In Such

A stage extraction process is depicted in Figure. In such systems, a stream containing a weight fraction Yin of a chemical enters from the left at a mass flow rate of F1. Simultaneously, a solvent carrying a weight fraction Xin of the same chemical enters from the right at a flow rate of F2. Thus, for stage i, a mass balance can be represented as

F1Yi-1 + F2Xi+1 = F1Yi + F2Xi                                (P a)

At each stage, an equilibrium is assumed to be established between Yi and Xi as in

K = Xi/Yi                                                           (P b)

A stage extraction process is depicted in Figure. In such

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