Fluidized Bed Combustion

Although it's a method typically used in large power plants, individual inventors like the author were conducting successful experiments with efficient small scale fluidized bed combustion in the 1970s.

065 fluidized bed combustion - preparing engine
Rocky Golden attaches the blower and warm-up burner to his prototype fluidized bed for a demonstration.
065 fluidized bed combustion - small scale demonstration
This fluidized bed combustion unit is a scaled down—and easily understandable—version of a multimillion-dollar technology.
065 fluidized bed combustion - combustion chamber
In less than five minutes the combustion chamber was glowing hot—looking much like the bubbling caldron of a volcanic crater—and prepared to burn almost anything
065 fluidized bed combustion - adding lime
The author adds limestone to a the bed to prevent the low-carbon, high sulfur coal he chose as fuel from producing a pollutant.

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