Fluidization Assignment Help | Fluidization Homework Help


•    When a fluid is passed upwards at increasing velocities through a column of granular material of size d, a stage is reached when all the paticles are entrained in the flow and the bed is in a fluid state. This stage is called as fluidization.

•    The corresponding superficial velocity, Vf as fluidization velocity and is given by

V= ( γs - γ ) d2 e2 / 18 μ

where   e = porosity of material

•    It is used in the back washing of gravity filters for water purification.

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