In ‘Fluidized Bed Combustion’ (FBC) boiler, sulfur oxides formed during combustion react with the lime-stone (CaCO3) to:
A. Form solid CaSO4 which falls to the bottom of the furnace
B. Form solid CaS which falls to the bottom of the furnace
C. Separate ash from coal
D. Increase the combustion rate
Answer:A
In ‘Fluidized Bed Combustion’ (FBC) boiler, sulfur oxides formed during combustion react with the lime-stone (CaCO3) to:
A. Form solid CaSO4 which falls to the bottom of the furnace B. Form solid CaS which falls to the bottom of the furnace C. Separate ash from coal D. Increase the combustion rate