STATISTICAL THERMODYNAMICS OF METHANOL AND ETHANOL ADSORPTION IN ZEOLITE NAZSM5

Citation
B. Boddenberg et al., STATISTICAL THERMODYNAMICS OF METHANOL AND ETHANOL ADSORPTION IN ZEOLITE NAZSM5, JOURNAL OF PHYSICAL CHEMISTRY B, 101(9), 1997, pp. 1634-1640
Citations number
21
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Chemistry Physical
Journal title
JOURNAL OF PHYSICAL CHEMISTRY B
ISSN journal
1520-6106 → ACNP
Volume
101
Issue
9
Year of publication
1997
Pages
1634 - 1640
Database
ISI
SICI code
1089-5647(1997)101:9<1634:STOMAE>2.0.ZU;2-M
Abstract
A statistical thermodynamic treatment of the adsorption of methanol an d ethanol in zeolite NaZSM5 at 303 K is presented that reproduces well the adsorption isotherm and differential heat of adsorption data publ ished by M. M. Dubinin, G. U. Rakhmatkariev, and A. A. Isirikyan (Izv. Akad. Nauk SSSR, Ser. Khim. 1989, 11, 2636). The pore filling proceed s via the formation of monomeric up to tetrameric alcohol/cation compl exes located in the channel intersections. The equilibrium concentrati ons of these s-meric complexes (s = 1-4) as a function of the overall loading as well as the potential energies and energies of formation of the complexes are determined.