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Green synthesis strategy of chabazite membrane and its CO2/N2 separation performance
- Source :
- Journal of Porous Materials. 28:1401-1410
- Publication Year :
- 2021
- Publisher :
- Springer Science and Business Media LLC, 2021.
-
Abstract
- In this study, non-poisonous and eco-friendly raw chemicals were employed to synthesize a chabazite membrane by seed-induced secondary growth method. With an assistance of porous alumina ceramics support, the prepared membrane was utilized for excellent CO2/N2 separation. The results of structural and morphological characterization of the synthetic chabazite membrane signify that a dense and consistent membrane layer of chabazite was successfully formed on the surface of the alumina ceramic support. The single-component gas permeation experiment was carried out on the synthetic chabazite membrane, and the results showed that the calculated ideal CO2 and N2 separation coefficient reached 3.5. Whereas, the separation experiment of the mixed components showed the CO2 and N2 separation coefficient of 4.05 which might be due to the competition of diffusion between the mixed gas molecules and the selective adsorption characteristics of chabazite. At last, the separation stability experiments results show that the chabazite membrane prepared in this study owns excellent cycle stability and excellent separation performance. This demonstrates that chabazite membrane is an outstanding potential membrane for the separation of CO2 in industrial flue gas.
- Subjects :
- Chabazite
Flue gas
Materials science
Mechanical Engineering
Diffusion
02 engineering and technology
Permeation
010402 general chemistry
021001 nanoscience & nanotechnology
01 natural sciences
0104 chemical sciences
Catalysis
Membrane
Chemical engineering
Mechanics of Materials
Selective adsorption
General Materials Science
0210 nano-technology
Porosity
Subjects
Details
- ISSN :
- 15734854 and 13802224
- Volume :
- 28
- Database :
- OpenAIRE
- Journal :
- Journal of Porous Materials
- Accession number :
- edsair.doi...........ebe16af3f029a2a86f6496801a002378