Ex Situ Fluidized Bed Dryer

This consists of a vertically oriented reactor through which hot gases are circulated from bottom to top. The contaminated soils and hazardous wastes are fed downward into the reactor, where they are suspended by the upward flowing gas stream. The gas flow rate can be adjusted until the drag force on the soil particles from the flowing gas compensates for the force of gravity, allowing the solid particles to be suspended in a fluidized bed in the center of the dryer reactor. High heat transfer efficiency can be reached with this kind of thermal desorption reactor. This type of process equipment has been fully commercialized.

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Waste Management And Control

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