The method 19, wherein {HEAD ~ the SOx} containing {TAIL ~ exhaust gases} comprise flue gas 
The method 19 , wherein { HEAD ~ the SOx } containing { TAIL ~ exhaust gases } comprise flue gas
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH