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Surface Chemistry — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistrySurface Chemistry5 Marks
Question
What is deeniulsification? Explain about the various techniques of deemulsification.
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Answer

Emulsion can be separated into two separate layers. This process is called Deemulsification. Various deemulsilication techniques are given below.
  1. Distilling of one component
  2. Adding an electrolyte to destroy the charge.
  3. Destroying the emulsifier using chemical methods.
  4. Using solvent extraction to remove one component.
  5. By freezing one of the components.
  6. By applying centrifugal force.
  7. Adding dehydrating agents for water in oil type.
  8. Using ultrasonic waves.
  9. Heating at high pressures.

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