Discontinuous Rectification Model TH 120
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Discontinuous Rectification Model TH 120
* Discontinuous rectification
* Comparison of packed and sieve plate column
* Vacuum mode possible
* Plates in sieve plate column removable
Item Description
Distillation is used to separate liquid mixtures made up of individual liquids that are soluble in one another. Rectification refers to distillation in a counter-flow. Ethanol/water is recommended as the liquid mixture for the Sci-tech Discontinuous Rectification Model TH 120. The liquid mixture is added to the evaporator (bottom) tank. The mixed vapour produced moves upwards in the column. The mixed vapour contains a higher concentration of the component with the lower boiling point (ethanol). It leaves the top of the column and is condensed using a condenser and a phase separation tank. Part of the condensate is collected in a tank as product while the rest is fed back into the column. Here, on its way downwards, it undergoes further heating and material exchange with the rising mixed vapour. This exchange causes the vapour phase to become richer in ethanol and the liquid phase to become richer in water. The liquid phase moves to the bottom where it is collected.
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