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