期刊
INORGANIC CHEMISTRY
卷 58, 期 12, 页码 7754-7759出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.9b00182
关键词
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资金
- National Natural Science Foundation of China [21673039, 21573042, 21273033]
- Fujian Science and Technology Department [2018J07001, 2016J01046, 2014J06003]
- China Scholarship Council
A novel microporous metal-organic framework (FJU-44), with abundant accessible nitrogen sites on its internal surface, was constructed from the tetrapodal tetrazole ligand tetrakis(4-tetrazolylphenyl)ethylene (H4TTPE) and copper chloride. Notably, the CO2 uptake capacity (83.4 cm(3)/g, at 273 K and 1 bar) in the activated FJU-44a is higher than most of tetrazolate-containing MOF materials. Particularly, FJU-44a exhibits superior adsorption selectivity of CO2/N-2 (278-128) and CO2/CH4 (44-16), which is comparable to some well-known CO2 capture materials. Furthermore, the fixed-bed breakthrough experiment indicates that the postcombustion flue gas flow over a packed column with FJU-44a adsorbents can be effectively separated.
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