Structural model of Al13-pillared montmorillonite

Clays and Clay Minerals

Volumn 48, Issue 1, 2000, Pages 1-9

  Dimov, Virgil I ^a   Ilieva, Albena V ^a   Khaltakova, Nelly G ^a   Filizova, Liudmila D ^a  

^a BULGARIAN ACADEMY OF SCIENCES   (Bulgaria)

Author keywords

Alumina Pillaring; Computer Simulation; Keggin Pillaring; Montmorillonite; Structural Model; Transmission Electron Microscopy

Indexed keywords

ALUMINA; COMPUTER SIMULATION; ELECTRON DIFFRACTION; ENERGY DISPERSIVE SPECTROSCOPY; INTERCALATION COMPOUNDS; POSITIVE IONS; TRANSMISSION ELECTRON MICROSCOPY; X RAY POWDER DIFFRACTION;

KEGGIN PILLARING; MONTMORILLONITES;

CLAY MINERALS;

ALUMINUM; CLAY MINERAL; CRYSTAL STRUCTURE; MONTMORILLONITE;

EID: 0034070222     PISSN: 00098604     EISSN: None     Source Type: Journal    
DOI: 10.1346/CCMN.2000.0480101     Document Type: Article

References (24)

1. Bottero, J.Y., Gases, I.M., Flessinger, F., and Poirier, J.E. (1980) Studies of hydrolysed aluminium chloride solutions. 1. Nature of Al-species and compositions of aqueous solutions. Journal of Physics and Chemistry, 84, 2933-2940.
2. Brindley, G.W. (1980) Order-disorder in clay mineral structures. In Crystal Structure of Clay minerals and Their X-ray Identification, G.W. Brindley and G. Brown, eds., Mineralogical Society, London, 169-174.
3. (7-x)+, Clays and Clay Minerals, 46, 232-239.
4. Cowley, J.M. and Moodie, A.F. (1957) The scattering of electrons by atoms and crystals: I. A new theoretical approach. Acta Crystallographica, A10, 609-619.
5. Figueras, F. (1988) Pillared clays as catalysts. Catalysis Reviews: Science and Engineering, 30, 457-499.
6. Figueras, F., Klapyta, Z., Auruox, A., and Gouguen, C. (1990) Influence of the structure of the original clay on the properties of PILC materials. In Proceedings of the International Clay Conference, Strasbourg, 1989, V.C. Farmer and Y. Tardy, eds., Sciences Géologiques Memoire 86, 25-35.
7. Fijal, J. and Klapyta, Z. (1993) Heterogeneity of pillared clays. In Proceedings of the 11th Conference on Clay Mineralogy and Petrology, J. Konta, ed., Univerzita Karlova, Prague, 99-109.
8. Foster, M.D. (1953) Geochemical studies of clay minerals: II. The determination of free silica and alumina in montmorillonite. Geochemica et Cosmochimica Acta, 3, 143-154.
9. Fripiat, J.J. (1988) High resolution solid state NMR study of pillared clays. Catalysis Today, 2, 281-295.
10. Ilieva, A. (1996) Application of the alkylammonium exchange for layer charge determination of montmorillonites from Bulgarian bentonites. Comptes Rendus de l'Academie Bulgare des Sciences, 49, 99-103.
11. Johansson, G. (1960) On the crystal structure of some basic aluminium salts. Acta Chemica Scandinavica, 14, 771-773.
12. Kodama, H. and Singh, S. (1989) Polynuclear hydroxyaluminium-montmorillonite complexes: Formation of 18.8 Å and 28 Å pillared structures. Solid State Ionics, 32/33, 363-372.
13. Occelli, M.I., Lynch, J., and Senders, J.V. (1987) TEM analysis of pillared and delaminated hectorite catalysts. Journal of Catalysis, 107, 557-565.
14. Pinnavaia, T.J. (1983) Intercalated clay catalysts. Science, 220, 365-371.
15. Plee, D., Gatineau, L., and Fripiat, J.J. (1987) Pillaring process of smectites with and without tetrahedral substitutions. Clays and Clay Minerals, 35, 81-85.
16. 40Cl-Wasserlosung. Zeitschrift Fuer Anorganishe und Algemeine Chemie, 476, 188-193.
17. Schoonheydt, R.A. (1994) Clays: From two to three dimensions. Studies on Surface Science and Catalysis, 58, 201-239.
18. Schoonheydt, R.A., van den Eynde, J., Tubbax, H., Leeman, H., Stuyckens, M., Lenotte, I., and Stone, W.E.E. (1993) The Al pillaring of clays. Part I. Pillaring with dilute and concentrated Al solutions. Clays and Clay Minerals, 41, 598-608.
19. 7+. Clays and Clay Minerals, 42, 518-526.
20. Storaro, L, Lenarda, M., Ganzeria, R., and Rinaldi, A. (1996) Preparation of hydroxy Al and Al/Fe pillared bentonites from concentrated clay suspensions. Microporous Materials, 6, 55-63.
21. Tilak, D., Tennakoon, B., Jones, W., and Thomas, J.M. (1986) Structural aspects of metal-oxide-pillared sheet silicates. Journal of the Chemical Society, Faraday Transitions 1, 82, 3081-3095.
22. Tsipursky, S.I. and Drits, V.A. (1984) The distribution of octahedral cations in the 2:1 layers of dioctahedral smectites studied by oblique-texture electron diffraction. Clay Minerals, 21, 187-198.
23. Vaughan, D.E.W. and Lussier, R.J. (1980) Preparation of molecular sieves based on pillared interlayered clays (PILC). In Proceedings of the 5th International Conference on Zeolites, 1980, L.V. Rees, ed., Hyden, London, 94-101.
24. Vaughan, D.E.W. (1988) Pillared clays - a historical perspective. Catalysis Today, 2, 187-198.