期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 -, 期 14, 页码 2094-2099出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201700010
关键词
Metal-organic frameworks; Membranes; Pervaporation; Alcohols; Adsorption
资金
- Kurita Water and Environment Foundation Grant
A UiO-66 membrane was synthesized on an Al2O3 support by an in situ solvothermal method with a coordination modulation technique. We first confirmed the organic selectivity of the UiO-66 membrane for methanol, ethanol, and acetone in mixtures with water. The membrane displayed highly stable pervaporation performance during the test and exhibited a separation factor of approximately 4.3 and a flux of 1.28 kgm(-2)h(-1) in ethanol/water. From the water and ethanol vapor adsorption measurement, the water uptake was lower in a binary system than that in a single system, although the ethanol uptake was similar for the binary and single systems. Therefore, the ethanol selectivity of the UiO-66 membrane can be attributed to the preferential adsorption of the organic compound rather than water, as confirmed by a binary-vapor adsorption measurement.
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