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

Shengchang Xiang, Yabing He, Zhangjing Zhang, Hui Wu, Wei Zhou, Rajamani Krishna and Banglin Chen ()
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Shengchang Xiang: Fujian Provincial Key Laboratory of Polymer Materials, College of Materials Science and Engineering, Fujian Normal University, Fuzhou
Yabing He: University of Texas at San Antonio, One UTSA Circle
Zhangjing Zhang: Fujian Provincial Key Laboratory of Polymer Materials, College of Materials Science and Engineering, Fujian Normal University, Fuzhou
Hui Wu: NIST Center for Neutron Research
Wei Zhou: NIST Center for Neutron Research
Rajamani Krishna: Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904
Banglin Chen: University of Texas at San Antonio, One UTSA Circle

Nature Communications, 2012, vol. 3, issue 1, 1-9

Abstract: Abstract Carbon dioxide capture and separation are important industrial processes that allow the use of carbon dioxide for the production of a range of chemical products and materials, and to minimize the effects of carbon dioxide emission. Porous metal-organic frameworks are promising materials to achieve such separations and to replace current technologies, which use aqueous solvents to chemically absorb carbon dioxide. Here we show that a metal-organic frameworks (UTSA-16) displays high uptake (160 cm3 cm−3) of CO2 at ambient conditions, making it a potentially useful adsorbent material for post-combustion carbon dioxide capture and biogas stream purification. This has been further confirmed by simulated breakthrough experiments. The high storage capacities and selectivities of UTSA-16 for carbon dioxide capture are attributed to the optimal pore cages and the strong binding sites to carbon dioxide, which have been demonstrated by neutron diffraction studies.

Date: 2012
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DOI: 10.1038/ncomms1956

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