Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 374, Issue -, Pages 46-52Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molcata.2013.03.020
Keywords
Supported vanadia catalyst; Impregnation method; Single-site catalysts (SSC); MOF bottles (MIL-101(Cr))
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Funding
- Shahreza Branch, Islamic Azad University
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Porous materials based on chromium (III) terephthalate metal organic frameworks (Cr-MIL(101)) and their new composites with vanadium oxide has emerged as a potential catalyst because of its high specific surface area, tunable pore size, and unique structure. The structural and textural characterization of V@MIL(101) were done using FTIR, X-ray diffraction, N-2 adsorption-desorption, and TEM. XRD and adsorption-desorption analysis shows that the mesostructure of MIL-101 remains intact after vanadium oxide modifications, while spectral technique show the successful immobilizing of the neat vanadium oxide inside the MIL-101 cavities. These new catalysts were found to be highly effective for selective oxidation of sulfides to sulfoxides and sulfones with H2O2 at room temperature and the 4.2% V@MIL(101) catalyst showed the highest activity. The PW12@MCFim heterogeneous system showed high catalytic oxidative activity in the treatment of commodity gasoline. (C) 2013 Elsevier B.V. All rights reserved.
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