http://www.cnr.it/ontology/cnr/individuo/prodotto/ID193363
Screening of different solid acid catalysts for glycerol acetylation (Articolo in rivista)
- Type
- Label
- Screening of different solid acid catalysts for glycerol acetylation (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Alternative label
M.L. Testa, V. La Parola, L.F. Liotta, A.M. Venezia (2013)
Screening of different solid acid catalysts for glycerol acetylation
in Journal of molecular catalysis. A, Chemical (Online)
(literal)
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- M.L. Testa, V. La Parola, L.F. Liotta, A.M. Venezia (literal)
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- Titolo
- Screening of different solid acid catalysts for glycerol acetylation (literal)
- Abstract
- Different solid acid catalysts, sulfonic acid functionalized amorphous and mesoporous silicas, titania
doped silica HMS, sulfated zirconia and niobic acid, were synthesized, characterized and tested in the
esterification reaction of glycerol. Their catalytic performance was compared with that of commercial
Amberlyst-15. Fresh and spent materials were analyzed by means of X-ray photoelectron spectroscopy,
N2 adsorption isotherms and acid capacity measurements. Among all the catalysts the mesoporous sulfonic
silica presented the best performance in term of reactivity, with the total conversion of glycerol in
30 min of reaction, and in term of stability, with no leaching of sulfonic groups of catalyst. The catalytic
activity of the materials was related to their acid capacities as well as to the strength and surface density
of acidic sites. (literal)
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