This fluidized bed combustion unit is a scaled down—and easily understandable—version of a multimillion-dollar technology.
PHOTO: JAMES GOLDEN
Rocky Golden attaches the blower and warm-up burner to his prototype fluidized bed for a demonstration.
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
The author adds limestone to a the bed to prevent the low-carbon, high sulfur coal he chose as fuel from producing a pollutant.