Unit Operations
Lecture 20
1
7 Nov 2012
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Azeotropic Distillation, Lecture notes of Engineering Chemistry
Explanation of azeotropic distillation
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Unit Operations
Lecture 20
7 Nov 2012
McCabe-Thiele – AZ diagrams
Ethanol – Water Binary (1.013 bar):
Azeotropic Distillation
Perry’s 8th^ ed.
Azeotropic Distillation
Water with (binary system at atmospheric P):
- (^) methanol - no azeotrope
- (^) ethanol - azeotrope
- (^) propanol - azeotrope In-class exercise:
- (^) using Aspen Plus, explore if we can use distillation to separate the binary mixture of water and n-butanol.
Heterogeneous Azeotropic Distillation
Perry’s 8th^ ed.
Residue Curve
Maps
Pressure Swing
Distillation
Pressure Swing Distillation
Reactive Distillation
- (^) Esterification of acetic acid with ethanol to ethyl acetate and water