A 20 wt% solution of uranyl nitrate (UN) in water is to be treated with tributyl phosphate (TBP) to remove 90% of the uranyl nitrate in batchwise equilibrium contacts. Assuming water and TBP are mutually insoluble, at equilibrium (g UN /g TBP)=5.5 (g UN/g H2O). How much TBP is required for 100 g of solution if (a) half is used in each of wo consecutive stages; (b) two crosscurrent stages are used; (c) an infinite number of counter current stages is used.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A 20 wt% solution of uranyl nitrate (UN) in water is to be treated with tributyl phosphate
(TBP) to remove 90% of the uranyl nitrate in batchwise equilibrium contacts. Assuming water
and TBP are mutually insoluble, at equilibrium (g UN /g TBP)=5.5 (g UN/g H2O). How much TBP is required for 100 g of solution if
(a) half is used in each of wo consecutive stages;

(b) two crosscurrent stages are used;

(c) an
infinite number of counter current stages is used.

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