Compartir
Título
Structural, textural and acidic properties of Cu-, Fe- and Cr-doped Ti-pillared montmorillonites
Autor(es)
Materia
Montmorillonite
Titanium
Ti-PILC
Doped pillared clays
Clasificación UNESCO
2303 Química Inorgánica
Fecha de publicación
2015-12
Resumen
Montmorillonite has been treated with Ti-based solutions, alone or doped with Cu2 +, Fe3 + or Cr3 + cations, yielding new intercalated solids, which have been calcined at various temperatures to test the stability of the so-formed pillars. The solids calcined at 500 °C were fully characterized by chemical analysis, X-ray diffraction, FT-IR spectroscopy, thermal analyses, nitrogen adsorption and acidity evaluation. The evolution of the specific surface area, porosity and acidic properties is discussed, analysing the effect of pillaring and doping procedures on these properties
URI
ISSN
0169-1317
DOI
10.1016/j.clay.2015.09.010
Versión del editor
Colecciones