Methods of separating azeotropic mixture – physical chemistry

Methods of separating azeotropic mixture – physical chemistry

  1. Adding a substance that reacts and removes one component. e.g. CaO reacts and removes water from azeotrope of ethanol and water
  2. distillation with a third substance e.g. benzene in rectified spirit
  3. Fractional crystallization
  4. solvent extraction
  5. adsorption
  6. adding concentrated sulphuric and distil e.g. separation of azeotrope of nitric acid
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