Inluence of hydrothermal treatment on the structure and catalytic properties of zeolite Y

Autor: G. M. Fedorova, A. S. Vitukhina, L. I. Piguzova, G. M. Plavnik, M. M. Dubinin
Rok vydání: 1969
Předmět:
Zdroj: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 18:1515-1517
ISSN: 1573-9171
0568-5230
Popis: 1. The change in the properties of zeolite Y as a result of treatment with 100% water vapor at various temperatures was investigated. The catalytic activity drops sharply only after treatment of the zeolite at 750°. 2. The adsorption properties decrease after treatment at steam temperature of only 650°. 3. The cubic lattice characteristic of zeolites of the faujazite type is preserved; however, its linear parameters decrease: the values of the interplane distances are reduced by an average of 1.9%, which corresponds to a decrease in the lattice parameter a from 24.6 to 24.12A. When the temperature of treatment of zeolite Y is increased, there is a gradual breakdown of the crystal lattice and amorphization of the zeolite.
Databáze: OpenAIRE
Externí odkaz: