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