Question 2. (a) In a countercurrent multistage extraction cascade, 60 kg of a binary solution of components A and C, con

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Question 2 A In A Countercurrent Multistage Extraction Cascade 60 Kg Of A Binary Solution Of Components A And C Con 1 (32.81 KiB) Viewed 14 times

Question 2. (a) In a countercurrent multistage extraction cascade, 60 kg of a binary solution of components A and C, containing 30 wt.% of A, is brought into contact with 18 kg of pure solvent B, in order to recover A. The extract contains 41 wt.% A and the raffinate contains 12 wt.% A. The system operates at 1 atm and 25 °C. Using the given ternary phase diagram, determine: the composition of the mixing point; (1) (ii) (iii) [4 MARKS] the weight and composition of the solvent-free extract phase; [5 MARKS] the number of stages required for this extraction process; [8 MARKS]