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Separation of CO2 from CH4 Using Mixed-Ligand Metal−Organic Frameworks
Abstract
The adsorption of CO2 and CH4 in a mixed-ligand metal-organic framework (MOF) Zn 2(NDC) 2(DPNI) [NDC = 2,6-naphthalenedicarboxylate, DPNI = N, N'-di-(4-pyridyl)-1,4,5,8-naphthalene tetracarboxydiimide] was investigated using volumetric adsorption measurements and grand canonical Monte Carlo (GCMC) simulations. The MOF was synthesized by two routes: first at 80 degrees C for two days with conventional heating, and second at 120 degrees C for 1 h using microwave heating. The two as-synthesized samples exhibit very similar powder X-ray diffraction patterns, but the evacuated samples show differences in nitrogen uptake. From the single-component CO2 and CH4 isotherms, mixture adsorption was predicted using the ideal adsorbed solution theory (IAST). The microwave sample shows a selectivity of approximately 30 for CO2 over CH4, which is among the highest selectivities reported for this separation. The applicability of IAST to this system was demonstrated by performing GCMC simulations for both single-component and mixture adsorption.
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Cites
Adsorbents: Fundamentals and Applications
Yang, R. T. (2003) · doi:10.1002/047144409x · Cited by 1,182
Cited by
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Carbon Dioxide Capture: Prospects for New Materials
D'Alessandro, D. M., Smit, B., & Long, J. R. (2010) · Angewandte Chemie International Edition · doi:10.1002/anie.201000431 · Cited by 4,046
Post-Combustion CO 2 Capture Using Solid Sorbents: A Review
Samanta, A., Zhao, A., Shimizu, G. K. H., Sarkar, P., & Gupta, R. (2012) · Industrial & Engineering Chemistry Research · doi:10.1021/ie200686q · Cited by 1,889
Perry IV, J. J., Perman, J. A., & Zaworotko, M. J. (2009) · Chemical Society Reviews · doi:10.1039/b807086p · Cited by 1,768
CO2 capture by solid adsorbents and their applications: current status and new trends
Wang, Q., Luo, J., Zhong, Z., & Borgna, A. (2011) · Energy Environ. Sci. · doi:10.1039/c0ee00064g · Cited by 1,611
Metadata
- Authors
- Bae, Y.-S., Mulfort, K. L., Frost, H., Ryan, P., Punnathanam, S., Broadbelt, L. J., Hupp, J. T., & Snurr, R. Q.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-07-11
- Volume
- 24
- Issue
- 16
- Pages
- 8592-8598
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2059277244
- Cited by
- 598
- References
- 1
- FWCI
- 27.82
- Type
- journal article
- Language
- en
- Open access
- closed
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