期刊
JOURNAL OF MEMBRANE SCIENCE
卷 476, 期 -, 页码 277-285出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.memsci.2014.11.016
关键词
Metal-organic framework (MOF); Hollow fiber membrane; Microfluidics; Gas separation
资金
- Spanish MINECO [MAT2010-15870, MAT2013-40556-R]
- Aragon Government (DGA)
- ESF
- DGA fellowship
Polymeric hollow fiber membranes represent a high degree of process intensification closer to scaling up. Metal organic framework ZIF-7 and ZIF-8 continuous membranes were synthesized on the inner surface of a 520 mu m outer diameter polysulfone hollow fiber using microlluidics. This provided a constant reactant concentration along the membrane for growing homogeneous, continuous and thin layers of ZIF-7 (2.4 mu m) and ZIF-8 (3.6 mu m) with good adherence. The high quality of the membranes and the zeolite-like sodalite porous structure of both MOFs with pore apertures of 0.30-0.34 nm allowed operation at high temperature (150 degrees C) and pressure (4 bar). High separation factors in CO2 and H-2 containing mixtures were achieved. (C) 2014 Elsevier B.V. All rights reserved.
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