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1. feed = 50 C, C3/C4(50:50) liquid, 10kg/cm2, 500kg-mol/hr
Top Product = C3, 38 C vapor, 100% recover,
Before Condenser Stream = 60 C, 11kg/cm2
Reflux ratio = 1.2
Btm Product = C4, liq, 100% recover.
Before Reboiler Stream = 104.4 C
Steam = 10kg/cm2g, 183 C
Cooling water = 32 C
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