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Sökning: WFRF:(Obeso J A)

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  • Obeso, Juan L., et al. (författare)
  • Lewis Acid-Catalyzed Ring-Opening Alcoholysis of Cyclohexene Oxide : The Role of Open Metal Sites in the Bi(III)-based Metal-Organic Framework SU-101
  • 2023
  • Ingår i: ChemCatChem. - 1867-3880 .- 1867-3899. ; 15:13
  • Tidskriftsartikel (refereegranskat)abstract
    • SU-101 was screened for the acid-catalyzed ring-opening alcoholysis of cyclohexene oxide. Results indicated access to open metal sites within SU-101, a fundamental requirement (Lewis acid Bi+3 sites) for this reaction. In addition, SU-101 exhibited high chemical stability, demonstrated by retaining its crystalline structure after the reaction. The cyclohexene conversion was estimated to be 99.8, 96.8, and 14.3 % at 40 °C for methanol, ethanol, and propanol, respectively. Also, SU-101 demonstrated an outstanding catalytic cyclability performance for five cycles without losing catalytic activity. 
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  • López-Olvera, Alfredo, 1989-, et al. (författare)
  • SO2 Capture at Low Pressure in a Prototypical MIL-53 Aluminum MOF Family : The Influence of Pore Expansion
  • 2023
  • Ingår i: Inorganic Chemistry. - 0020-1669 .- 1520-510X. ; 62:51, s. 20901-20905
  • Tidskriftsartikel (refereegranskat)abstract
    • Not only is excellent performance in SO2 capture by porous materials (uptake above 17 mmol g–1) relevant, but also finding a correlation between the architecture changes into a family and their SO2 adsorption is very useful. In this contribution, we studied the SO2 adsorption behavior (at very low pressure) of an Al(III)-MOF family that shares the pore architecture of MIL-53. The results indicate an inversely proportional trend for the SO2 capture and pore expansion, since by increasing the length of the channel pore, the SO2 uptake gradually decreases. In addition, this trend is clearly observed in the heat of adsorption, which describes the interaction between the SO2 molecule and the μ-OH functional group. These finding are supported by experimental analysis and computational studies.
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  • Resultat 1-7 av 7

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