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MWCNT@MIL-53 (Cr) Nanoporous Composite: Synthesis, Characterization, and Methane Storage Property | ||
| Journal of Chemical and Petroleum Engineering | ||
| مقاله 3، دوره 51، شماره 1، شهریور 2017، صفحه 21-26 اصل مقاله (421.71 K) | ||
| نوع مقاله: Original Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jchpe.2017.62162 | ||
| نویسندگان | ||
| Mansoor Anbia* ؛ sara Sheykhi؛ Roghaye Dehghan | ||
| Research Laboratory of Nanoporous Materials, Faculty of Chemistry, Iran University of Science and Technology, Farjam Street, Narmak, Tehran 16846-13114, Iran | ||
| چکیده | ||
| In this paper, porous metal−organic frameworks (MIL-53 [CrIII (OH).{O2C-C6H4-CO2}.{HO2C-C6H4-CO2H}x]) were hydrothermally synthesized and, then, a hybrid composite of these synthesized porous metal−organic frameworks (MOF) with acid-treated multi-walled carbon nanotubes (MWCNTs) was prepared. The materials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer–Emmet–Teller (BET), and FT-IR analysis. The X-ray diffraction patterns showed that the structure of MWCNT@MIL-53-Cr nonoporous composite was not disturbed by incorporation of MWCNT in MIL-53-Cr. N2 adsorption – desorption analysis showed that the MIL-53-Cr and MWCNT@MIL-53-Cr nanoporous composite had BET surface areas of 1500m2.g-1 and 1347m2.g-1, respectively. These materials were developed as adsorbents for methane storage at room temperature. The analysis showed about 50% increase in methane storage capacity (from 7.1 to 10.8 mmol.g-1 at 298K and 35bar) for MWCNT@MIL-53-Cr composite. The increment in the CH4 adsorption capacity of MWCNT@MIL-53-Cr nanoporous composite is attributed to the increase in micropore volume of MIL-53-Cr by MWCNT incorporation. | ||
| کلیدواژهها | ||
| Metal organic framework؛ MIL-53-Cr؛ MWCNT؛ Acid-treated؛ CH4 storage | ||
| مراجع | ||
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