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One thousand kilograms of a 30 wt% dioxane in water solution is to be treated with benzene at 25oC to remove 95% of the dioxane.
The benzene is dioxane-free, and the equilibrium data of Example 5.2 can be used. Calculate the solvent requirements for:
(a) A single batch extraction
(b) Two crosscurrent stages using equal amounts of benzene
(c) Two countercurrent stages
(d) An infinite number of crosscurrent stages
(e) An infinite number of countercurrent stages
Would this change the problem in any way? Discuss.
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