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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Extractive, azeotropic and reactive rectifications
Multi-component liquid-steam operations
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