Abstract
Adsorption of n-propylbenzene on ZSM-5 type zeolites occurs on both Brönsted and Lewis type acid sites. Alkali cations strongly bind hydrocarbons. One particle of hydrocarbon is adsorbed on one Na+ ion. The strength of the bond depends on the cation radius and decreases in the order: Li>Na>K>Rb>Cs.
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Otremba, M., Zajdel, W. Temperature-programmed desorption of n-propylbenzene from HNaZSM-5 and Na(Li, K, Rb, Cs) ZSM-5 type zeolites. React Kinet Catal Lett 51, 481–487 (1993). https://doi.org/10.1007/BF02069094
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DOI: https://doi.org/10.1007/BF02069094