Elutriation Tank

Principles of Elutriation Tank:

  • Separates particles based on their settling velocities in a fluid.
  • Finer particles are carried upward by the fluid flow, while coarser particles settle at the bottom.

Construction of Elutriation Tank:

  1. Tank: A vertical tank filled with fluid.
  2. Fluid Inlet: At the bottom to introduce fluid flow.
  3. Feed Inlet: For introducing the material to be separated.
  4. Outlets: Separate outlets for fine and coarse particles.
  5. Control System: To regulate fluid flow rate and separation efficiency.
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Elutriation Tank

Working of Elutriation Tank:

  • Material is introduced into the tank where fluid flows upward.
  • Finer particles with lower settling velocities are carried upward with the fluid.
  • Coarser particles with higher settling velocities settle at the bottom.
  • Separated particles are collected at respective outlets.
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Uses:

  • Classification of particles in the mineral processing, chemical, and pharmaceutical industries.
  • Used in wastewater treatment for sediment removal.

Merits:

  • Simple design with low operational costs.
  • Effective for a wide range of particle sizes.
  • Minimal energy consumption compared to other methods.
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Demerits:

  • Limited to particles with significantly different settling velocities.
  • Not suitable for very fine particles that remain suspended.
  • Requires large volumes of fluid for effective separation.

Thank you for reading from Firsthope's notes, don't forget to check YouTube videos!

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