Sequestration of carbon dioxide emitted to the atmosphere, comprises concentration of carbon dioxide in liquid phase, electro-reduction in an aprotic medium in a compound and mineralization by reaction with a compound giving a mineral

摘要

Sequestration of carbon dioxide (I) emitted to the atmosphere, comprises: concentration of (I) in liquid phase; electro-reduction in an aprotic medium in a compound, where carbon (C) passes to a degree of oxidation +3 in the form of oxalic or formic acid; optionally backwash of the oxalic or formic acid in aqueous phase; and mineralization by reaction with a compound of an element M giving a mineral, where atomic ratio (C/M) is 2/1.