At inlet and outlet boiling temperature ϑbD = 80,3 °C
For the specific condensation enthalpy of the overhead product, approximately that of benzene is used (p. 110):
ΔhB = 394000 J/kg
Required heat flow (p. 238):
Φ = qmD · ΔhB = 0,258 kg/s . 394000 J/kg = 101652 W
K value according to table (p. 235): K = 800 W/(m² – K)
Mean logarithmic temperature difference (p. 237):
Required exchange area (p. 239):
The task
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