Zobrazeno 1 - 10 of 48 pro vyhledávání: '"Wilfried J. Mortier"'
1
High-flux MFI membranes
Autor: Jonas Hedlund, Barbara Carstensen, Wilfried J. Mortier, Harry W. Deckman, Jim McHenry, Jack Peters, Wim De Gijnst, Anton-Jan Bons, Donald M. Cox, Johan Sterte, Ned Corcoran, Juan J. Reinoso, Marc H. Anthonis, Frank Wenyih Lai, Peter-Paul de Moor
Publikováno v: Microporous and Mesoporous Materials. 52:179-189
The synthesis and evaluation of high performance MFI-type membranes is described. These systems exhibit fluxes that are one to two orders of magnitude higher than previous literature reports, with ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::339153f61af44838f868c2460390f90f
https://doi.org/10.1016/s1387-1811(02)00316-5
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2
Charge sensitivity analysis of the interaction of pyrrole with basic FAU-type zeolites using the electronegativity equalization method
Autor: Robert A. Schoonheydt, Ralf Heidler, Wilfried J. Mortier, Geert O. A. Janssens
Publikováno v: Microporous Materials. 12:1-11
The interaction of pyrrole with alkali cation exchanged FAU-type zeolites is studied using a combination of the electronegativity equalization method (EEM) and the Monte Carlo technique. Pyrrole adsorbs at S II cations, the NH-group pointing to the m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eed37a066eef66a0d02d1d94d9869221
https://doi.org/10.1016/s0927-6513(97)00039-4
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3
Influence of the Framework Density and the Effective Electronegativity of Silica and Aluminophosphate Molecular Sieves on the Heat of Adsorption of Nonpolar Molecules
Autor: J Jänchen, H Stach, L Uytterhoeven, Wilfried J. Mortier
Publikováno v: The Journal of Physical Chemistry. 100:12489-12493
The influence of the framework density, the chemical composition, and derived from those the influence of the effective electronegativities of silica and aluminophosphate molecular sieves on the adsorption properties have been investigated experiment
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::994a780576d68b389961d0ddd909fb45
https://doi.org/10.1021/jp953791d
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4
Charge Sensitivity Analysis of Intrinsic Basicity of Faujasite-Type Zeolites Using the Electronegativity Equalization Method (EEM)
Autor: Robert A. Schoonheydt, Ralf Heidler, Goa Janssens, Wilfried J. Mortier
Publikováno v: The Journal of Physical Chemistry. 100:19728-19734
The Electronegativity Equalization Method (EEM) is used to study the dependence of the basicity of faujasite-type zeolites on the Si:Al ratio, the cation type, and the type of oxygen. The model structures were obtained by distance least-squares optim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::71da551e96833110374c4918c909dda1
https://doi.org/10.1021/jp9615619
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5
On the relation between electronic and nuclear vibrations via the response matrix derived from semiempirical density functional-based sensitivity analysis
Autor: Wilfried J. Mortier, Geert O. A. Janssens, Bart G. Baekelandt, Helge Toufar, Robert A. Schoonheydt
Publikováno v: International Journal of Quantum Chemistry. 56:317-326
Energetic and physical aspects of the intuitive (mapping) relations between independent (normal) charge polarization patterns and nuclear vibration modes are derived within the atoms-in-molecules (AIM) electronegativity equalization method (EEM) form
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74113e4e52a225b34571114c686f4c42
https://doi.org/10.1002/qua.560560416
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6
Average local electrostatic potential and the core-valency separation in atoms
Autor: Robert A. Schoonheydt, R. Krishnaveni, T. V. Gayatri, M. Kakkar, Helge Toufar, Wilfried J. Mortier, Bart G. Baekelandt, Geert O. A. Janssens, K. D. Sen
Publikováno v: International Journal of Quantum Chemistry. 56:399-408
The average local electrostatic potential function, V(r)/ ρ(r), is calculated for 87 atoms, Li-Ac, in the ground state using the nonrelativistic average-over-configuration numerical Hartree-Fock density. It is found empirically that in a given atom
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7cfdb6f69150b3147b24534b38837ffb
https://doi.org/10.1002/qua.560560426
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8
Cation site energies in high-silica FAU-type zeolites
Autor: Wilfried J. Mortier, Chao Kuei-Jung, Jan L. Lievens
Publikováno v: Journal of Physics and Chemistry of Solids. 53:1163-1169
The statistical thermodynamical model by Van Dun, developed for the cation distribution in dehydrated FAU-type zeolites, has been investigated for the high-silica composition range. The Na distribution among the sites I, I' and II was determined usin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ae0c252f44efd90aad8ba2d287c6553
https://doi.org/10.1016/0022-3697(92)90034-b
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10
The influence of framework-gallium in zeolites: Electronegativity and infrared spectroscopic study
Autor: M.J.G. Janssen, J.P. Verduijn, O.C.H. Kenter, Wilfried J. Mortier, D.H. Dompas
Publikováno v: Journal of Catalysis. 129:19-24
Based on the influence of the composition (Si/Al and Si/Ga ratio) on the framework vibrations of zeolites with different structure types (FAU, LTL, BETA, MOR, MEL, MFI, TON, and MTW), an electronegativity value for gallium substituted into zeolite fr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d7763b7a25a5cde60400a82c449d6a1c
https://doi.org/10.1016/0021-9517(91)90004-n
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