CO2 capture and separation - is a very important industrial and environmental process to use CO2 as raw chemical for the production of a range of chemical products and materials, and to minimize the effect of CO2 emission on the potential global warming. Porous metal-organic frameworks are promising alternatives for this task and thus to replace current technologyusing aqueous solvents to chemically absorb CO2. Here, we show a very unique MOF (UTSA-16 ) displaying extraordinarily high uptake (160 cm3/cm3) of CO2 at ambient conditions, enabling it to be a promisingly useful adsorbent material for post-combustion CO2 captureand bio-gas streams purification. This has been further confirmed by simulated breakthrough experiments. The high storage capacities and selectivities of UTSA-16  for CO2 capture are attributed to the optimal pore cages and the strong binding sites to CO2, which have been clearly demonstrated by neutron diffraction studies.

Microporous metal-organic framework with significant potential for carbon dioxide capture at ambient conditions

245th National Meeting (2013)

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