Definition - What does Bubble Point mean?
Bubble Point is the temperature at certain pressure conditions at which the first bubble from a vapor is formed when a liquid is heated. The liquid which is being heated is usually a combination of two or more components. When liquid distillation systems are being designed, it is important to understand the Bubble Point temperature as this data is very useful.
Petropedia explains Bubble Point
Whenever a liquid consists of a single component, its Bubble Point is considered to be same as its dew point, and both are equal to its boiling point, i.e., the temperature at which the liquid starts to boil. The Bubble Point of a liquid can be calculated based on the following equations:
K represents coefficient of distribution or K Factor. It is defined as the ratio of Vapor Phase Mole Fraction to Liquid Phase Mole Fraction at equilibrium.
- Represents Vapor Phase Mole Fraction- Represents Liquid Phase Mole Fraction
K factor can be defined as the vapor pressure divided by total pressure of the system.
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