removing the chlorine from the intermediary carbonaceous reaction product by heating the intermediary reaction product in air at a temperature of at least 300° C. for a time sufficient to oxidize and remove carbon and {TAIL ~ chlorine} to produce {HEAD ~ a metal oxide product} 
removing the chlorine from the intermediary carbonaceous reaction product by heating the intermediary reaction product in air at a temperature of at least 300 ° C. for a time sufficient to oxidize and remove carbon and { TAIL ~ chlorine } to produce { HEAD ~ a metal oxide product }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD