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What is the principle of the distillation process in chemical engineering

Release time:

2023-02-02

Rectification is the operation of using partial vaporization and partial condensation multiple times and at the same time to separate the mixed liquid more completely and obtain close to pure components.

Process: In the rectification tower at the same time, the relatively low temperature liquid flows from the top of the tower from top to bottom under the action of gravity, while the higher temperature gas (steam) flows from bottom to top under the action of pressure Flow, when the two meet, the gas phase is partially condensed and the liquid phase is partially vaporized, thereby achieving multiple partial vaporization and multiple partial condensation at the same time. Distillation equipment is a distillation method that uses reflux to separate liquid mixtures with high purity. It is a widely used liquid mixture separation operation in industry, and is widely used in petroleum, chemical, light industry, food, metallurgy and other departments.

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