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From Wikipedia, the free encyclopedia
The 'fluidised bed is the name given to a bed of solid particles, which through the impact energy of a fluid, is caused to undergo fluidisation. The term fluidisation in this context refers to the phenomenon whereby the solid components of a particulate bed exhibit fluid like properties, owing to the upwelling of a fluid.
Fluidisation bed processes are important process engineering systems, finding application in areas such as spray drying, drying of granular media, combustion, or in applications such as catalytic cracking or coffee roasting