Question 5: Answer the following: (15 Marks) A) Acetic acid is to be extracted from 0.55 kg/sec of a 10% aqueous solution by co-current extraction with 0.83 kg/sec of pure isopropyl ether. The concentration of acetic acid is to be reduced to 3% in the exit raffinate. Calculate how many equilibrium stages are required to achieve this extraction. (9 Marks) The equilibrium relationship is: Y = 0.21X Where, Y = Kg acetic acid/Kg isopropyl ether; and X = Kg acetic acid/Kg water

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Question 5: Answer the following: (15 Marks)
A) Acetic acid is to be extracted from 0.55 kg/sec of a 10% aqueous solution by co-current extraction with 0.83
kg/sec of pure isopropyl ether. The concentration of acetic acid is to be reduced to 3% in the exit raffinate.
Calculate how many equilibrium stages are required to achieve this extraction. (9 Marks)
The equilibrium relationship is:
Y = 0.21X
Where, Y = Kg acetic acid/Kg isopropyl ether; and X = Kg acetic acid/Kg water
Transcribed Image Text:Question 5: Answer the following: (15 Marks) A) Acetic acid is to be extracted from 0.55 kg/sec of a 10% aqueous solution by co-current extraction with 0.83 kg/sec of pure isopropyl ether. The concentration of acetic acid is to be reduced to 3% in the exit raffinate. Calculate how many equilibrium stages are required to achieve this extraction. (9 Marks) The equilibrium relationship is: Y = 0.21X Where, Y = Kg acetic acid/Kg isopropyl ether; and X = Kg acetic acid/Kg water
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