The role of carbon nanotubes and cobalt in the synthesis of pellets of titanium silicates

In the present work self-bonded pellets of Engelhard Titaniun Silicates, ETS-4 and ETS-10, containing cobalt and carbon nanotubes, were synthesized by hydrothermal synthesis at 190 °C, from gels of the initial composition x–Na 2 O–0.2TiO 2 –0.6KF–(1.28x − 2y)HCl–2yHNO 3 –1.49SiO 2 –yCoO–39.5H 2 O, w...

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Bibliographic Details
Published in:Journal of porous materials 2018-02, Vol.25 (1), p.283-296
Main Authors: De Luca, P., Nappo, G., Siciliano, C., B.Nagy, J.
Format: Article
Language:English
Subjects:
Carbon
Carbon nanotubes
Catalysis
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Cobalt
Compression tests
Gels
Nanotubes
NMR
Nuclear magnetic resonance
Pellets
Physical Chemistry
Silicates
Synthesis
Thermal analysis
X-ray diffraction
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Summary:In the present work self-bonded pellets of Engelhard Titaniun Silicates, ETS-4 and ETS-10, containing cobalt and carbon nanotubes, were synthesized by hydrothermal synthesis at 190 °C, from gels of the initial composition x–Na 2 O–0.2TiO 2 –0.6KF–(1.28x − 2y)HCl–2yHNO 3 –1.49SiO 2 –yCoO–39.5H 2 O, with x equal to 0.8; 1; 1.5; 2.5 mol and y equal to 0.015; 0.03; 0.06; 0.1. To the initial gels were then added different weight percentages of carbon nanotubes compared to the dry gel. The obtained pellets were characterized by X-ray diffraction analysis, thermal analysis (TG, DTG, DSC), tests of mechanical resistance to compression and nuclear magnetic resonance.
ISSN:1380-2224
1573-4854
DOI:10.1007/s10934-017-0441-y