Paper Title:
Preparation and Characterization of Silica-Alumina-Pillared Montmorillonites with High Surface Area
  Abstract

The silica-alumina-pillared montmorillonite materials (SiAl-MMT) were developed by a novel method, which combined several techniques such as ion-exchange, intercalation and surfactant modification. The morphology, composite structure and pore properties of such composite materials, were investigated by X-ray powder diffraction (XRD), Scanning Electronic Microscopy (SEM), Fourier-transform infra-red (FTIR) spectra, as well as Nitrogen Adsorption-Desorption Isotherms. The layer structure of the prepared materials retained and their pore structures were found to be slit-shaped pores located between plate-like particles. The prepared SiAl-MMT materials had a BJH pore volume of 0.63cm3 g-1, a remarkably high BET specific surface area beyond 1000 m2 g-1, and a narrow pore size distribution in the mesoporous region 3.5-4 nm after thermal treatment at 600 °C.

  Info
Periodical
Key Engineering Materials (Volumes 368-372)
Edited by
Wei Pan and Jianghong Gong
Pages
1712-1715
DOI
10.4028/www.scientific.net/KEM.368-372.1712
Citation
H. Y. Xu, X. J. Bao, T. H. Wang, Y. G. Wang, "Preparation and Characterization of Silica-Alumina-Pillared Montmorillonites with High Surface Area", Key Engineering Materials, Vols. 368-372, pp. 1712-1715, 2008
Online since
February 2008
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Price
$32.00
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