Question: IPA is extracted from the IPA - cyclohexane mixture containing 60% IPA in a counter flow multistage extraction unit with water. What should be the

IPA is extracted from the IPA - cyclohexane mixture containing 60% IPA in a counter flow multistage extraction unit with water. What should be the composition of the first raffinate (R1) so that the final raffinate contains 100% cyclohexane?

A-%42 IPA, %53 cyclohexane, %5 water

B- %58 IPA, %9 cyclohexane, %33 water

C- %62 IPA, %12 cyclohexane, %26 water

D- %50 IPA, %45 cyclohexane, %5 water

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