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arXiv · 1903.10958

Exploring propane/propylene separation mechanism in ZIF-8 (Zn) by 2H NMR spectroscopy

Alexander E. Khudozhitkov·Daniil I. Kolokolov·Alexander G. Stepanov
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Abstract

The molecular mobility of propane and propylene has been studied by 2H NMR method. The activation barriers of diffusion determined from the spin relaxation analysis are in a good agreement with the values obtained by Liu et al. (EC3H8 = 38 kJ/mol, EC3H6 = 13.5 kJ/mol). High activation energy of the rotation inside the cavity for propylene compared to propane (8 kJ/mol vs 3.8 kJ/mol) implies stronger interaction of this adsorbate with the walls of the cavity.

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Alexander E. Khudozhitkov, Daniil I. Kolokolov, Alexander G. Stepanov. 2019-03-26. Exploring propane/propylene separation mechanism in ZIF-8 (Zn) by 2H NMR spectroscopy. https://doi.org/10.1039/d0cp00270d

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