According to another aspect of the invention, the process further comprises the step of placing the intermediary carbonaceous product in aqueous solution containing potassium carbonate or {TAIL ~ sodium carbonate} to remove chlorine and obtain {HEAD ~ another intermediary carbonaceous product} containing metal, oxygen, and carbonate 
According to another aspect of the invention , the process further comprises the step of placing the intermediary carbonaceous product in aqueous solution containing potassium carbonate or { TAIL ~ sodium carbonate } to remove chlorine and obtain { HEAD ~ another intermediary carbonaceous product } containing metal , oxygen , and carbonate
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