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