Elementary Principles 267 - 7.42 Basis: 100 mol feed A -...

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7-22 7.42 Basis: 100 mol feed n 0.65 A( ) l 2 (mol), 63.0°C 100 mol, 67.5°C 0.35 B( ) l 0.98 A( ) v 0.02 B( ) v n 2 (mol) 0.98 A( ) l 0.02 B( ) l 0.5 n 5 (mol), 98.7°C 0.544 A( ) v 0.456 B( ) v 56.8°C Q c (cal) n 2 (mol) 0.98 A( ) l 0.02 B( ) l 0.5 Q r (cal) n 5 (mol), 98.7°C 0.155 A( ) l 0.845 B( ) l A - Acetone B - Acetic Acid (a) Overall balances: Total moles: 100 0.65 100 mol mol =+ U V W = = 05 09805 0155 120 40 25 2 5 . :. . . nn An n n n bg b g Product flow rates: Overhead 0.5 120 mol 0.5 120 mol 098 588 002 12 .. = = A B Bottoms 0 40 mol 04 0 m o l 155 62 845 338 = = A B ΔΔ Δ EW E px QH n H n H ii ,, ±± Overall energy balance: out in 2 00 = == () () ( ) ( ) ( ) ( ) interpolate in table interpolate in table 4 58.8 0 1.2 0 6.2 1385 33.8 1312 65 354 35 335 1.82 10 cal Q ↓↓
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