utilizing a flow measuring device located in {TAIL ~ the proximity} of the gas inlet of {HEAD ~ the cooling means} to assist in calculating either or both of water spray requirements or sorbent concentration based on gas volume as a feed forward control 
utilizing a flow measuring device located in { TAIL ~ the proximity } of the gas inlet of { HEAD ~ the cooling means } to assist in calculating either or both of water spray requirements or sorbent concentration based on gas volume as a feed forward control
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH