ALKALINE CATION ENRICHMENT AND WATER ELECTROLYSIS TO PROVIDE CO₂ MINERALIZATION AND GLOBAL-SCALE CARBON MANAGEMENT

摘要

Provided herein are methods of removing carbon dioxide from an aqueous stream or gaseous stream by: contacting the gaseous stream comprising carbon dioxide, when present, with an aqueous solution comprising ions capable of forming an insoluble carbonate sa contacting the aqueous solution comprising carbon dioxide with an electro active mesh that induces its alkalinization thereby forcing the precipitation of a carbonate solid from the solution and thereby the removal of dissolved inorganic carbon by electrolysis; and removing the precipitated carbonate solids from the solution, or the surface of the mesh where they may deposit. Also provided herein are flow-through electrolytic reactors comprising an intake device in fluid connection with a rotating cylinder comprising an electro active mesh, and a scraping device and/or liquid-spray based device for separating a solid from the mesh surface.