Influence of multiply charged cations on the properties of redox sites in mordenite
Journal Article
·
· Kinet. Catal. (Engl. Transl.); (United States)
OSTI ID:7222530
It has been shown that the introduction of various cations into H mordenite has significantly different effects on the redox sites of this zeolite. Despite their localization in sites which are inaccessible to adsorbates, Na/sup +/, Ni/sup 2 +/, Mg/sup 2 +/, and Ba/sup 2 +/ cations have a significant inhibitory action on the formation of radicals in large channels of mordenite. It has been postulated that the radical sites in H mordenite form as a result of the cleavage of the highly stressed Si-O-Si bonds in the skeleton and that the cations may have a stabilizing effect on the lattice. It has been found that Cu/sup 2 +/ ions, which are localized in the large channels and undergo a dipole-dipole interaction with adsorbed molecules, have a significantly weaker influence on the oxidation sites in H mordenite than do Na/sup +/, Ni/sup 2 +/, Mg/sup 2 +/, and Ba/sup 2 +/ ions. It has been shown that the introduction of Ce/sup 4 +/ and Be/sup 2 +/ ions into H mordenite does not influence the redox sites in H mordenite.
- Research Organization:
- N.D. Zelinskii Institute of Organic Chemistry, Acad. of Sci.
- OSTI ID:
- 7222530
- Journal Information:
- Kinet. Catal. (Engl. Transl.); (United States), Journal Name: Kinet. Catal. (Engl. Transl.); (United States) Vol. 26:1, PT. 2; ISSN KICAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ALKENES
ALKYLATED AROMATICS
AROMATICS
AROMATIZATION
BARIUM COMPOUNDS
BENZENE
BERYLLIUM COMPOUNDS
BINDING ENERGY
CATALYTIC EFFECTS
CERIUM COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
COPPER COMPOUNDS
ENERGY
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MAGNESIUM COMPOUNDS
MATERIALS
MINERALS
MORDENITE
NICKEL COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
REDOX POTENTIAL
SILICATE MINERALS
SODIUM COMPOUNDS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
THIOPHENE
TRANSITION ELEMENT COMPOUNDS
VALENCE
XYLENE-PARA
XYLENES
ZEOLITES
400201* -- Chemical & Physicochemical Properties
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ALKENES
ALKYLATED AROMATICS
AROMATICS
AROMATIZATION
BARIUM COMPOUNDS
BENZENE
BERYLLIUM COMPOUNDS
BINDING ENERGY
CATALYTIC EFFECTS
CERIUM COMPOUNDS
CHALCOGENIDES
CHEMICAL REACTIONS
COPPER COMPOUNDS
ENERGY
HETEROCYCLIC COMPOUNDS
HYDROCARBONS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MAGNESIUM COMPOUNDS
MATERIALS
MINERALS
MORDENITE
NICKEL COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
RARE EARTH COMPOUNDS
REDOX POTENTIAL
SILICATE MINERALS
SODIUM COMPOUNDS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
THIOPHENE
TRANSITION ELEMENT COMPOUNDS
VALENCE
XYLENE-PARA
XYLENES
ZEOLITES