期刊
APPLIED CLAY SCIENCE
卷 118, 期 -, 页码 124-130出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.clay.2015.09.010
关键词
Montmorillonite; Titanium; Ti-PILC; Doped pillared clays
资金
- Spanish Ministry of Economy and Competitiveness (MINECO)
- European Regional Development Fund (FEDER) [MAT2013-47811-C2-R]
- Universidad de Salamanca
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 degrees 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. (C) 2015 Elsevier B.V. All rights reserved.
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