8/20/2019 q Tutorial 4

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TUTORIAL 4

1. Pure isopropyl ether at the rate of V N+1=600 kg/h is being used to extract an aueous

solution of !o="00 kg/h containing #0 $t% acetic acid &'( by countercurrent )ultistage

extraction. *he desired exit acetic acid concentration in the aueous phase is %. ,se

euilibriu) data fro) 'ppendix '.#

i( -alculate the co)positions and a)ounts of the ether extract V1 and the aueous

raffinate ! N.

ii( -alculate the nu)ber of stages.