Science | VOL. 369

Cooperative carbon capture and steam regeneration with tetraamine-appended metal–organic frameworks

Publication Date Jul 24, 2020


Natural gas has become the dominant source of electricity in the United States, and technologies capable of efficiently removing carbon dioxide (CO2) from the flue emissions of natural gas–fired power plants could reduce their carbon intensity. However, given the low partial pressure of CO2 in the flue stream, separation of CO2 is particularly challenging. Taking inspiration from the crystal structures of diamine-appended metal–organic frameworks exhibiting two-step cooperative CO2 adsorption, we report a family of robust tetraamine-functionalized frameworks that retain cooperativity, leading to the potential for exceptional efficiency in capturing CO2 under the extreme ...

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Low Partial Pressure Of CO2
Flue Stream
Steam Regeneration
Low-temperature Steam
Natural Gas
Temperature Swings
Carbon Intensity
Simulated Flue Gas
Pressure Swings
Humid Gas

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