Abstract: The dependences of catalytic properties of zeolites of type Y, mordenite, highly siliceous zeolite (ZSM) in cracking of n-octane and synthesis of hydrocarbons from methanol (activity and stability of action) on the concentration and state of hydroxyl groups, aluminium atoms, and on the coordination environment of silicon atoms in zeolites have been investigated. The state of active centres was studied by 2Al and 29Si n.m.r., and i.r. spectroscopy. Activity, stability and selectivity of zeolites are concluded to be dependent on the concentration of groups having more than one aluminium atom in the second coordination sphere of silicon atom, one of which can be in the cation position. Concerted (associative) effect of the proton-donor and Lewis centres on reagent is proposed. Lewis centres may have aluminium atoms in the cation position outside the framework.

Cite: Ione K.G. , Stepanov V.G. , Echevskii G.V. , Shubin A.A. , Paukshtis E.A.
Study of Nature of the Factors Determining Activity, Stability and Selectivity of Zeolite Catalyst
Zeolites. 1984. V.4. N2. P.114-119. DOI: 10.1016/0144-2449(84)90048-4 WOS Scopus РИНЦ ANCAN OpenAlex

Dates:

Submitted:	Jul 5, 1983
Published print:	Apr 1, 1984
Published online:	Sep 7, 2004

Identifiers:

Web of science:	WOS:A1984SK44100005
Scopus:	2-s2.0-0000596316
Elibrary:	30811297
Chemical Abstracts:	1984:212637
Chemical Abstracts (print):	100:212637
OpenAlex:	W2053360306

Citing:

DB	Citing
Web of science	24
Scopus	27
Elibrary	27
OpenAlex	22

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