The separated solid material is recirculated to the fluidized bed through {TAIL ~ a channel}, and a gaseous medium is supplied in a controlled manner to {HEAD ~ the separated solid material} present in the channel in order to displace the combustion gases and provide a chemical reaction 
The separated solid material is recirculated to the fluidized bed through { TAIL ~ a channel } , and a gaseous medium is supplied in a controlled manner to { HEAD ~ the separated solid material } present in the channel in order to displace the combustion gases and provide a chemical reaction
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH