Fluidized-bed combustion is described as a clean coal technology that removes sulfur from coal combustion as well as limiting the formation of nitrogen oxides. It involves suspending crushed coal and limestone in the bottom of a boiler by an upward moving stream of hot air.
Ref: 123831/2006-09-24
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Comb (Comb bind means to plastic comb bind by inserting ...)
combustion (Combustion is the burning of a material, i.e., a ...)
Bed (Bed refers to a device intended to receive the ...)
Boiler (Boiler refers to a type of space-heating. ..)