Step Change Cut off 40% in Reflux Percent. Delta M = 40%
Step Change Analysis
Delta C = 23.7oC
Step Change Analysis Delta C = 23.7oC t o = 0.28 min
Step Change Analysis Delta C = 23.7oC t o = 0.28 min 0.632deltaC
Step Change Analysis Delta C = 23.7oC t o = 0.28 min 0.632deltaC t 2 = 2.94 min
X,Y vs T diagram for methanol-water T 50% Reflux T 99.9% Reflux
X,Y vs T diagram for methanol-water slope=-109 Slope=-16 X =
Step Change Parameters t o = 0.28 min K = (0.0585/40) = composition/% Tau = t o – t 2 = 0.66 min EBc = EBt/m = /62.5 =