Extractive, azeotropic and reactive rectifications
Material transfer — Ideal compartmentalized distillation

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J1072 V1 Article

Extractive, azeotropic and reactive rectifications


Material transfer — Ideal compartmentalized distillation

Authors : Jean-Paul MOULIN, Dominique PAREAU, Mohamed RAKIB, Moncef STAMBOULI, Arsène ISAMBERT

Publication date: March 10, 2001 | Lire en français

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9. Extractive, azeotropic and reactive rectifications

For the sake of brevity, we'll assume constant molar flow. For further details, please refer to .

9.1 Extractive grinding

To a binary mixture (A, B) that is difficult to separate by rectification, we add a third component, C, called the solvent (or extractant), which modifies the relative volatility of A and B. As this third component has very low volatility, it is not vaporized to any appreciable extent.

The apparatus consists...

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