Conclusions
In contrast to zeolites with ultrahigh silica content, type A, X, Y, and M zeolites in the Na form and also those modified by decationization, cation exchange, and addition ofγ-Al2O3, Al2O3-SiO2, Pt, and Rh show a low activity in the aromatization reaction of C3-C4 olefins at 450–550°C at times of contact of 2–14.4 sec. The zeolites studied become rapidly deactivated as the result of intense coke formation.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1300–1304, June, 1981.
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Kondrat'ev, D.A., Bondarenko, T.N., Dergachev, A.A. et al. Transformations of isobutylene in the presence of various types of zeolites. Russ Chem Bull 30, 1034–1037 (1981). https://doi.org/10.1007/BF00950288
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DOI: https://doi.org/10.1007/BF00950288