期刊
CHEMICAL ENGINEERING & TECHNOLOGY
卷 42, 期 4, 页码 744-752出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.201800499
关键词
CO2 separation; Gas binary mixture; Matrimid (R); Mixed-matrix membranes; ZIF-8 nanoparticles
资金
- University of Chemistry and Technology of Prague MSTM [20-SVV/2016]
- Operational Program Prague - Competitiveness [CZ.2.16/3.1.00/24501]
- National Program of Sustainability NPU I [LO1613-MSMT-43760/2015]
- project Strategic Partnership for Environmental Technologies and Energy Production - SPETEP [CZ.02.1.01/0.0/0.0/16_026/0008413]
- European Commission - Education, Audiovisual and Culture Executive Agency (EACEA) under the program Erasmus Mundus Doctorate in Membrane Engineering - EUDIME (FPA) [2011-0014]
In theory, the combination of inorganic materials and polymers may provide a synergistic performance for mixed-matrix membranes (MMMs); however, the filler dispersion into the MMMs is a crucial technical parameter for obtaining compelling MMMs. The effect of the filler distribution on the gas separation performance of the MMMs based on Matrimid (R)-PEG 200 and ZIF-8 nanoparticles is demonstrated. The MMMs were prepared by two different membrane preparation procedures, namely, the traditional method and non-dried metal-organic framework (MOF) method. In CO2/CH4 binary mixtures, the MMMs were tested under fixed conditions and characterized by various methods. Finally, regardless of the MMM preparation procedure, the incorporation of 30 wt % ZIF-8 nanoparticles allowed to increase the CO2 permeability in MMMs. The ZIF-8 dispersion influenced significantly the separation factor.
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