FLUIDIZATION TERMS

Question 1

Stage in fluidization where solid particles are still in direct contact with each other hereby supportimg each other’s weight

Answer 1

Fixed Bed

Question 2

Type of fluidization where the start is characterized by a gentle rocking or oscillation of the solid particles.

Answer 2

Particulate Fluidization

Usually followed by a solid-liquid system

Question 3

Occurs when fluid and solid densities vary greatly from each other

Answer 3

Aggregatic Fluidization ( Usually followed by a solid gas system)

Question 4

Porosity of the bed when fluidization occurs

Answer 4

Minimum porosity

Question 5

Velocity at which the solid particles will start to be swept out of the container

Answer 5

Terminal Fluidization Velocity

Question 6

Distance between the top of the fluidized bed and the fluid exit nozzle

Answer 6

Freeboard or Disengaging Height

Question 7

Designed to prevent backflow of solids during normal operation and also during shutdown

Answer 7

Fluid Distributor