Hostname: page-component-6bb9c88b65-kzqxb Total loading time: 0 Render date: 2025-07-19T02:23:24.852Z Has data issue: false hasContentIssue false
  • English
  • Français

Preparation and Properties of Pillared Interstratified Illite/Smectite

Published online by Cambridge University Press:  02 April 2024

Johan Sterte
Johan Sterte*
Affiliation:
Department of Engineering Chemistry I, Chalmers University of Technology, 412 96 Göteborg, Sweden
Get access Rights & Permissions [Opens in a new window]

Abstract

Pillared, regularly and randomly interstratified illite/smectite (I/S) was prepared by interacting aluminum chlorohydrate with I/S in aqueous dispersion. I/S samples from Kinnekulle, Sweden, ranging in composition from 30–60% smectite layers, were used as starting clays. The pillaring resulted in a separation of the smectite layers in the I/S of about 9 Å, as estimated by X-ray powder diffraction and by nitrogen adsorption studies. Only the smectite layers of the clay were modified by the pillaring procedure. The pillared products had surface areas of 200–260 m2/g and pore volumes of about 0.18 cm3/g. The uptake of Al by the clay and the micropore surface area of the pillared products were proportional to the fraction of smectite layers in the I/S. The thermal and hydrothermal stability of the pillared I/S was similar to that of pillared montmorillonite prepared using the same procedure.

Keywords

Cross-linkingIllite/smectitePillaringSmectiteThermal stabilityX-ray powder diffraction

Information

Type
Research Article
Information
Clays and Clay Minerals , Volume 38 , Issue 6 , December 1990 , pp. 609 - 616
Copyright
Copyright © 1990, The Clay Minerals Society

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable

References

Brusewitz, A. M., 1986 Chemical and physical properties of paleozoic potassium bentonites from Kinnekulle, Sweden Clays & Clay Minerals 34 442 – 454.CrossRefGoogle Scholar
Bystrom, A. M. (1956) Mineralogy of the ordovician ben-tonite beds at Kinnekulle, Sweden: Sver. Geol. Unders. Serie C 540, 62 pp.Google Scholar
Gregg, S. J. and Sing, K. S. W., 1982 Adsorption, Surface Area and Porosity London Academic Press 90 – 100.Google Scholar
Grim, R. E., 1968 Clay Mineralogy New York McGraw-Hill 121 – 122.Google Scholar
Iler, R.K., 1979 The Chemistry of Silica New York Wiley 95 – 98.Google Scholar
Jie, G-J., Ze, M-E. and Zhiquing, Y. (1986) A class of pillared interlayered clay molecular sieve products with regularly interstratified mineral structure: Eur. Pat. Appl. 197,012, 27 pp.Google Scholar
Medlin, J. H., Suhr, N. H. and Bodkin, J. B., 1969 Atomic absorption analysis of silicates employing LiBO2 fusion At. Absorpt. Newsl. 8 25 – 29.Google Scholar
Occelli, M. L., 1983 Catalytic cracking with an interlayered clay. A two-dimensional molecular sieve Ind. Eng. Chem. Prod. Res. Dev. 22 553 – 559.CrossRefGoogle Scholar
Occelli, M. L. and Tindwa, R. M., 1983 Physicochemical properties of montmorillonite interlayered with cationic oxyaluminum pillars Clays & Clay Minerals 31 22 – 28.CrossRefGoogle Scholar
Pinnavaia, T. J., Tzou, M.-S. Landau, S. D. and Raythatha, R. H., 1984 On the pillaring and delamination of smectite clay catalysts by polyoxo cations of aluminum J. Mol. Catal. 27 195 – 212.CrossRefGoogle Scholar
Plee, D., Borg, F., Gatineau, L. and Fripiat, J. J., 1985 High-resolution solid-state 27Al and 29Si nuclear magnetic resonance study of pillared clays J. Amer. Chem. Soc. 107 2362 – 2369.CrossRefGoogle Scholar
Reynolds, R. C. and Hower, J., 1970 The nature of inter-layering in mixed-layer illite-montmorillonites Clays & Clay Minerals 18 25 – 36.CrossRefGoogle Scholar
Sterte, J., 1989 Hydrothermal stability and catalytic cracking performance of some pillared clays Preprints ACS Div. Petr. Chem. 34 489 – 496.Google Scholar
Sterte, J. and Otterstedt, J.-E., 1987 Aluminum-oxide pillared montmorillonite: Effect of hydrothermal treatment of pillaring solution on the product structure Studies in 31 631 – 648.Google Scholar
Sterte, J. and Shabtai, J., 1987 Cross-linked smectites. V. Synthesis and properties of hydroxy silicoaluminum montmorillonites and fluorhectorites Clays & Clay Minerals 35 429 – 439.CrossRefGoogle Scholar
Vaughan, D. E. W., 1988 Recent developments in pillared interlayered clays ACS Symposium Series 368 308 – 323.CrossRefGoogle Scholar
Vaughan, D. E. W., Lussier, R. J. and Magee, J. S. (1979) Pillared interlayered clay materials useful as catalysts and sorbents: U.S. Patent 4,176,090, Nov. 27, 1979, 7 pp.Google Scholar
Vaughan, D. E. W., Lussier, R. J. and Magee, J. S. (1981) Stabilized pillared interlayered clays: U.S. Patent 4,248,739, Feb. 3, 1981, 10 pp.Google Scholar