Conclusions
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1.
The changes in the adsorption capacity with respect to benzene in the series of decationized mordenites indicate that Na+ ions, undetectable by x-ray diffraction study, are localized in the large channels.
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2.
The initial heats of adsorption of benzene by the Na-form of mordenite exceed the analogous values for synthetic faujasites.
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3.
The adsorption of benzene on cations in mordenite proceeds with larger heats than on decationized centers.
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4.
The entropy of the adsorbed layer increases as mordenites are decationized.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1017–1021, May, 1973.
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Mishin, I.V., Klyachko-Gurvich, A.L., Brueva, T.R. et al. Adsorption and heats of adsorption of benzene by mordenites with various degrees of decationization. Russ Chem Bull 22, 980–983 (1973). https://doi.org/10.1007/BF00854235
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DOI: https://doi.org/10.1007/BF00854235