In the manufacture of aniline, the condensed reactor products are separated in a decanter. The decanter separates
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In the manufacture of aniline, the condensed reactor products are separated in a decanter. The decanter separates the feed into an organic phase and an aqueous phase. Most of the aniline in the feed is contained in the organic phase and most of the water in the aqueous phase. Using the data given below, calculate the stream compositions.
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Data: Typical feed composition, including impurities and byproducts, weight%: water 23.8, aniline 72.2, nitrobenzene 3.2, cyclo-hexylamine 0.8. Density of aqueous layer 0.995, density of organic layer 1.006. Therefore, the organic layer will be at the bottom. Solubility of aniline in water 3.2% w/w, and water in aniline 5.15% w/w. Partition coefficient of nitrobenzene between the aqueous and organic phases: Corganic/Cwater = 300 Solubility of cyclo-hexylamine in the water phase 0.12% w/w and in the organic phase 1.0% w/w.
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