Terpenes Functionalization: A Comparative Study in Catalytic Activity of Mesoporous Materials Modified with Ti and V

Title:Terpenes Functionalization: A Comparative Study in Catalytic Activity of Mesoporous Materials Modified with Ti and V

Volume: 3 Issue: 2

Author(s): Analia L. Canepa, Luis E. Aguirre, Eduardo R. Herrero, Griselda A. Eimer and Sandra G. Casuscelli

Affiliation:

Keywords: Mesoporous materials, -pinene, Oxidation, Ti-MCM-41, V-MCM-41.

Abstract: The catalytic performance of mesoporous materials with a MCM-41 structure in the reaction of α-pinene oxidation with H₂O₂ was investigated by a comparative study of Ti-MCM-41and V-MCM-41 catalysts. These materials were prepared by hydrothermal synthesis, from theoretical molar ratios silicon / metal (Si/M) = 20, 60 and 240 in the initial synthesis gel. The results of the catalytic evaluation showed that for a similar molar content of metal in the materials (0.023 mole of metal/100 g of catalyst), Ti-MCM-41 presented the best TON values. Moreover, V-MCM-41 showed a lower efficiency of H₂O₂ than Ti-MCM-41, which can be attributed to the presence of clusters species (V-O-V)_n and nanooxides V_xO_y which accelerate the decomposition reaction of peroxide to water. On the other hand, it is noteworthy that the polymerization degree of the surface vanadium species and the appearance of V_xO_y crystallites have a significant effect on the selectivity to the products obtained.

Cite this article as:

Canepa L. Analia, Aguirre E. Luis, Herrero R. Eduardo, Eimer A. Griselda and Casuscelli G. Sandra, Terpenes Functionalization: A Comparative Study in Catalytic Activity of Mesoporous Materials Modified with Ti and V, Current Catalysis 2014; 3 (2) . https://dx.doi.org/10.2174/2211544702666131224002817