The influence of the composition on the thermal and acid characteristics of multi-component oxide pillared montmorillonite

Cristina Flego, Luigi Galasso, Roberto Millini, I. Kiricsi

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Pillared clays were prepared by intercalation in a Wyoming montmorillonite with a partially hydrolyzed aluminum chloride solution containing Ce+3 ions as second, and Co+2, or Ni+2, or Zn+2, or Mg+2 ions as third component. These multicomponent pillared materials were investigated by Fourier Transform Infra-Red (FT-IR) spectroscopy, X-ray diffraction (XRD), nitrogen (77 K) and ammonia (323 K) adsorption, thermogravimetric (TG) analysis and acidity measurement in order to determine both thermal stability and acidity. The catalyst obtained from a pillaring mixture of three cations (AlCeMg-PILC) showed the most interesting characteristics.

Original languageEnglish
Pages (from-to)323-331
Number of pages9
JournalApplied Catalysis A: General
Volume168
Issue number2
Publication statusPublished - Mar 27 1998

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Bentonite
Clay minerals
Acidity
Oxides
Ions
Aluminum chloride
Acids
Intercalation
Chemical analysis
Ammonia
Thermogravimetric analysis
Cations
Infrared spectroscopy
Fourier transforms
Clay
Thermodynamic stability
Nitrogen
Positive ions
Adsorption
X ray diffraction

Keywords

  • Acidity
  • Interlayer distance
  • Montmorillonite
  • Pillared clays
  • Surface area

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

Cite this

The influence of the composition on the thermal and acid characteristics of multi-component oxide pillared montmorillonite. / Flego, Cristina; Galasso, Luigi; Millini, Roberto; Kiricsi, I.

In: Applied Catalysis A: General, Vol. 168, No. 2, 27.03.1998, p. 323-331.

Research output: Contribution to journalArticle

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