removing {HEAD ~ the chlorine} from {TAIL ~ 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 chlorine to produce a metal oxide product 
removing { HEAD ~ the chlorine } from { TAIL ~ 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 chlorine to produce a metal oxide product
OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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