The high temperature behaviour of natural zeolite levyne was studied by in situ SR-XRPD. Water loss induces the cation migration toward the framework to obtain a better coordination, forcing the breaking of some T-O-T bridges and the consequent formation of new bonds and of a new structure. The 8mR bidimensional channel system of levyne is absent in the new topology and hence the molecular diffusion should be partially hindered in the dehydrated form.

Dehydration dynamics of levyne: evidence of a new zeolite topology / Arletti, R.; Quartieri, S.; Vezzalini, Maria Giovanna; Camara, F.. - CD-ROM. - 1:(2013), pp. 109-110. (Intervento presentato al convegno 17th International Zeolite Conference tenutosi a Moscow nel July, 7-12, 2013).

Dehydration dynamics of levyne: evidence of a new zeolite topology

Arletti, R.;VEZZALINI, Maria Giovanna;
2013

Abstract

The high temperature behaviour of natural zeolite levyne was studied by in situ SR-XRPD. Water loss induces the cation migration toward the framework to obtain a better coordination, forcing the breaking of some T-O-T bridges and the consequent formation of new bonds and of a new structure. The 8mR bidimensional channel system of levyne is absent in the new topology and hence the molecular diffusion should be partially hindered in the dehydrated form.
2013
17th International Zeolite Conference
Moscow
July, 7-12, 2013
Arletti, R.; Quartieri, S.; Vezzalini, Maria Giovanna; Camara, F.
Dehydration dynamics of levyne: evidence of a new zeolite topology / Arletti, R.; Quartieri, S.; Vezzalini, Maria Giovanna; Camara, F.. - CD-ROM. - 1:(2013), pp. 109-110. (Intervento presentato al convegno 17th International Zeolite Conference tenutosi a Moscow nel July, 7-12, 2013).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1061067
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