The process air is supplied to the bed through a special perforated distributor plate and flows through the bed of solids at a velocity sufficient to support the weight of particles in a fluidized state. Bubbles form and collapse within the fluidized bed of material, promoting intense particle movement. In this state, the solids behave like a free flowing boiling liquid

Advanced method of drying wet/semi wet solids
Unlike in Tray Drying every solid particle is floating in the HOT STREAM of Air which is blown from down to up creating material layer in fluidised state
Almost every wet particle directly receives the heat energy from hot Air resulting in uniform and quick drying