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Investigation of the adsorption of benzene on Ca-, Nd-, and mixed Ca-Nd-forms of type X zeolite by a chromatographic method

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The principles of the change in the heats of adsorption (Q) and specific retainable volumes (Vg) of benzene as a function of the content of Na+, Ca2+, and Nd3+ cations in type X zeolites were studied.

  2. 2.

    The values of Q and log Vg for NdNaX and NdCaNaX depend on the conditions of heat treatment of the zeolites, which is due to reverse migration of Nd3+ ions between the large and small cavities of the crystal structure of the faujasite.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 285–289, February, 1974.

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Minachev, K.M., Mirzabekova, N.V., Bogomolov, V.I. et al. Investigation of the adsorption of benzene on Ca-, Nd-, and mixed Ca-Nd-forms of type X zeolite by a chromatographic method. Russ Chem Bull 23, 257–260 (1974). https://doi.org/10.1007/BF00924664

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  • DOI: https://doi.org/10.1007/BF00924664

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