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