Conclusions
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1.
An increase in the SiO2/Al2O3 ratio (x) in type Y zeolites through dealuminization with ethylenediaminetetraacetic acid leads to an increase in their catalytic activity during the alkylation of benzene with ethylene.
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2.
The properties of CaNaY zeolites of the same composition prepared from NaY obtained by hydrothermal synthesis and by dealuminization of samples with a small value of x are identical.
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3.
Carbon dioxide exerts an accelerating effect on the Ca forms of dealuminized type Y zeolites of various compositions and has no effect on the properties of NaY'.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 108–112, January, 1976.
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Minachev, K.M., Isakov, Y.I. & Akhmetov, Y.S. Catalytic properties of the calcium forms of dealuminized type Y zeolites during the alkylation of benzene with ethylene. Russ Chem Bull 25, 94–98 (1976). https://doi.org/10.1007/BF00925626
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DOI: https://doi.org/10.1007/BF00925626