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Methanol conversion on high-silica zeolites with different alumosilicate modules and prepared in different ways

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Abstract

High-silica zeolites in the H-form that differ in the SiO2/Al2O3 ratio and the method of synthesis, have similar acidity spectra but different distributions of the acidic centers with respect to strength. A symbatic change in the concentration of the strongly acidic centers and of the degree of conversion of methanol has been observed, as well as a change in selectivity for C2–C4 aliphatic and aromatic hydrocarbons. It has been established that the stages of dehydration of methanol and dimethyl ether, and of aromatization and alkylation occur on strongly acidic centers of high-silica zeolites, and polymerization reactions on weakly acidic centers.

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Literature cited

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Authors and Affiliations

  1. L. V. Pisarzhevskii Institute of Physical Chemistry, Academy of Sciences of the Ukrainian SSR, Kiev

    N. P. Samchenko, I. S. Alcheev, G. I. Golodets & V. L. Struzhko

Authors
  1. N. P. Samchenko
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  2. I. S. Alcheev
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  3. G. I. Golodets
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  4. V. L. Struzhko
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Additional information

Translated from Teoreticheskaya i Éksperimental'naya Khimiya, Vol. 23, No. 3, pp. 380–383, May–June, 1987.

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Samchenko, N.P., Alcheev, I.S., Golodets, G.I. et al. Methanol conversion on high-silica zeolites with different alumosilicate modules and prepared in different ways. Theor Exp Chem 23, 353–356 (1987). https://doi.org/10.1007/BF00531395

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  • DOI: https://doi.org/10.1007/BF00531395

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