Adsorption of olefins on aluminum- and aluminum/tetramethyl-ammonium-exchanged bentonites

MORONTA, A., TAYLOR, S. and BREEN, C. (2002). Adsorption of olefins on aluminum- and aluminum/tetramethyl-ammonium-exchanged bentonites. Clays and Clay Minerals, 50 (2), 265-271.

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    One montmorillonite, STx-1 (Texas, USA), was activated with different amounts of Al and tetratnethylammonium (TMA(+)) canons to obtain materials with a combined Al3+ and TMA(+) content equal to its cation exchange capacity. The adsorption capacity of these samples was studied saturating them with hept-1-ene at room temperature. The samples were heated and the evolved gases analyzed by Fourier transform infrared spectroscopy and gas chromatography-mass spectrometry. Hept-1-ene reacted with the clays via proton transfer and resulted in the formation of a variety of reaction products (>60 hydrocarbons). In general, the presence of TMA(+) cations significantly reduced the population of protons to selectively produce isomerization and hydration products.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre > Polymers, Composites and Spectroscopy Group
    Page Range: 265-271
    Depositing User: Jill Hazard
    Date Deposited: 14 May 2010 14:35
    Last Modified: 18 Mar 2021 21:15

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