azeotrope
Sign in to savethumb|upright=1.5|Vapour-liquid equilibrium of 2-propanol/water showing positive azeotropic behaviour
Article
19 sectionsContents
- Etymology
- Types
- Positive azeotropes
- Negative azeotropes
- Double azeotropes
- Complex systems
- Miscibility and zeotropy
- Number of constituents
- Condition of existence
- Separation
- Pressure swing distillation
- Azeotropic distillation
- Chemical action separation
- Distillation using a dissolved salt
- Extractive distillation
- Pervaporation and other membrane methods
- See also
- References
- External links
thumb|upright=1.5|Vapour-liquid equilibrium of 2-propanol/water showing positive azeotropic behaviour
An azeotrope () or a constant heating point mixture is a mixture of two or more liquids whose proportions cannot be changed by simple distillation. This happens because when an azeotrope is boiled, the vapour has the same proportions of constituents as the unboiled mixture. Knowing an azeotrope's behavior is important for distillation.