A method 1, and further including the step of at least partial combustion of CO and H2 containing in {HEAD ~ flue gases} above {TAIL ~ melt level} in the inner chamber 
A method 1 , and further including the step of at least partial combustion of CO and H2 containing in { HEAD ~ flue gases } above { TAIL ~ melt level } in the inner chamber
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH