Available Technology

Carbon Ion Pump for Carbon Dioxide Removal

The limitation to reducing greenhouse gases in the atmosphere is the expense of stripping carbon dioxide from other combustion gases. Without a cost-effective means of accomplishing this, hydrocarbon resources cannot be used freely. A few power plants currently remove carbon dioxide from flue gas for sale as an industrial product. Oil companies commonly remove carbon dioxide from natural gas to improve its energy content. In both cases, the most common technology is a temperature-swing absorption (TSA) using a methylated ethyl amine solvent (MEA).
Patent Abstract: 
LLNL has developed a new method of separating carbon dioxide from flue gas. LLNL's ion pump method increases the concentration of dissolved carbonate ion solution.
Internal Laboratory Ref #: 
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