Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 237, Issue -, Pages 180-185Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2012.08.025
Keywords
Supported cuprous ion; Facile synthesis; Metal-organic framework; Desulfurization; Adsorption
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Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2012004528]
- Kyungpook National University Research Fund
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Porous metal-organic frameworks (MOFs, MIL-100-Fe, iron-benzenetricarboxylate) supported with Cu+ species were obtained for the first time under mild condition without high temperature calcinations. The Cu+-loaded MOFs were evaluated as efficient adsorbents for the liquid-phase adsorption of benzothiophene (BT). The effect of Cu+ loading on the adsorption kinetics and maximum adsorption capacity (Q(0)) for the adsorption of BT was also studied. Q(0) increased with increasing copper loading up to a Cu/Fe (wt./wt.) ratio of 0.07 in Cu+-loaded-MIL-100-Fe, resulting in an increase in the Q(0) by 14% compared with the virgin MIL-100-Fe without Cu+ ions. Since the surface area and pore volume decrease with the loading of copper, the increased Q(0) over the Cu-loaded MIL-100-Fe adsorbents suggests specific favorable interactions (probably by pi-complexation) between Cu+ and BT. (C) 2012 Elsevier B.V. All rights reserved.
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