For other topics on fluidization, see Fluidized bed combustion, Fluidized bed reactor, Fluidized bed concentrator, and Fluidisation.
Oldest power station utilizing circular fluidized bed technology, in Lünen, Germany
A fluidized bed is a physical phenomenon that occurs when a solid particulate substance (usually present in a holding vessel) is under the right conditions so that it behaves like a fluid. The usual way to achieve a fluidized bed is to pump pressurized fluid into the particles. The resulting medium then has many properties and characteristics of normal fluids, such as the ability to free-flow under gravity, or to be pumped using fluid technologies.
The resulting phenomenon is called fluidization. Fluidized beds are used for several purposes, such as fluidized bed reactors (types of chemical reactors), solids separation,[1] fluid catalytic cracking, fluidized bed combustion, heat or mass transfer or interface modification, such as applying a coating onto solid items. This technique is also becoming more common in aquaculture for the production of shellfish in integrated multi-trophic aquaculture systems.[2]
^Peng, Z.; Moghtaderi, B.; Doroodchi, E. (2017), "A simple model for predicting solid concentration distribution in binary‐solid liquid fluidized beds", AIChE Journal, 63 (2): 469:484, doi:10.1002/aic.15420
^"Wang, JK, 2003. Conceptual design of a microalgae-based recirculating oyster and shrimp system. Aquacultural Engineering 28, 37-46" (PDF). Archived from the original (PDF) on 2013-10-20. Retrieved 2014-01-23.
properties similar to that a well-mixed fluidizedbed. It does not require fluidization gas. Narrow fluidizedbeds (NFB): For this case, the ratio between...
A fluidizedbed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions. In this type of reactor...
rate beyond minimum fluidization. Such a bed is called aggregative, heterogeneous, or bubbling fluidized. (d) Turbulent FluidizedBed: When the gas flow...
Fluidizedbed combustion (FBC) is a combustion technology used to burn solid fuels. In its most basic form, fuel particles are suspended in a hot, bubbling...
in less than 1 second. The fluidized catalyst particles are shuttled between the fluidizedbed reactor and a fluidizedbed burner where the coke deposits...
Vibratory FluidizedBed (VFB) is a type of fluidizedbed where the mechanical vibration enhances the performance of fluidization process. Since the first...
cubic meters. A fluidizedbed reactor suspends small particles of catalyst by the upward motion of the fluid to be reacted. The fluid is typically a gas...
generally contain high levels of corrosive ash. Fluidizedbed gasifiers uses inert bed material at a fluidized state which enhance the heat and biomass distribution...
to cause it to behave like a fluid. A fluidizedbed is a system conceived to facilitate the fluidisation. Fluidizedbeds have a wide range of applications...
process typically employing a dual fluidizedbed system. CLC operated with an interconnected moving bed with a fluidizedbed system, has also been employed...
A FluidizedBed Scrubber system uses carefully selected hollow plastic elements of varying shapes, according to the process requirements, to generate...
Ebullated bed reactors are a type of fluidizedbed reactor that utilizes ebullition, or bubbling, to achieve appropriate distribution of reactants and...
purposes. The fluidizedbed filter (FBF) is a biological reactor only. The principle is to direct water through a sand (or similar media) bed from below...
is transferred to the beans as they tumble and circulate within this fluidizedbed. Some coffee roasters use names for the various degrees of roast, such...
Fluidized-bed roasters operate under a pressure slightly lower than atmospheric and at temperatures averaging 1,000 °C (1,830 °F). In the fluidized-bed...
A fluidizedbed concentrator (FBC) is an industrial process for the treatment of exhaust air. The system uses a bed of activated carbon beads to adsorb...
separate to let the air through and mixing and churning occurs, thus a fluidizedbed is created and fuel and waste can now be introduced. The sand with the...
burners, process heaters, and other thermal systems. In a Fluidizedbed concentrator (FBC), a bed of activated carbon beads to adsorb volatile organic compounds...
recent years, particularly in hydrogen production, is given to fixed bed and fluidizedbed: in these cases the standard reactor is simply integrated with membranes...
in a Midrex-type unit. An equivalent to COREX, based on the FINMET fluidizedbed instead of the Midrex vessel, is the Korean FINEX process (a contraction...
bottom, inside the integrated fluidizedbed. The drying of the powder can be finalized on an external vibrating fluidizedbed. The hot drying gas can be...
equation – Relation used in the field of fluid dynamicsPages displaying short descriptions of redirect targets Fluidizedbed – Physical phenomenon Industrial...
Several types of industrial thermal cleaning systems are available: Fluidizedbed systems use sand or aluminium oxide (alumina) as heating medium. They...
ISBN 9780674031166. Dwivedi, P. N. (1977). "Particle-fluid mass transfer in fixed and fluidizedbeds". Industrial & Engineering Chemistry Process Design...
quality requirements and available facility space. Fluidizedbed Rotary dryer Rolling bed dryer Toroidal Bed or TORBED dryer "Industrial Filters Dryers And...
feedback used in some operational amplifiers Circulating fluidizedbed, a type of fluidizedbed used in power plants Commission fédérale des banques (Swiss...
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