Elutriation. the process in which fine particles are carried out of a fluidized bed by the fluid flowing through the bed. External mass-transfer. transfer of fluid species from the bulk of fluid to the outer surface of another object, usually a solid.

What is elutriation and Levigation?

Elutriation:- Elutriation is the process of separation of fine particles and coarse particles from a paste obtained after levigation . ... The fine particles with low density remain suspended in upper layers of the liquid . The upper liquid is poured off and the fine particles are allowed to settle down on the bottom.

What is a Elutriator used for?

Elutriators are typically used to separate larger particles from smaller particles which remain in the waste gas. They are often followed by another mechanical collector (e.g., a cyclone) which removes the smaller PM.