Abstract
Investigations on the transesterification of sunflower oil over MoO3 (8 %) supported on SiO2, SiO2–Al2O3, TiO2 and Al2O3, carried out in order to elucidate the effects of the support on the nature of the supported MoO3 species and transesterification activity, are reported. The supported MoO3 samples were calcined at two temperatures (800 and 950 K). The samples were characterized by physicochemical and spectroscopic methods to identify the different MoO3 species present at the surface. The catalytic activities of the samples were evaluated in the transesterification of sunflower oil with methanol at different temperatures and at different run times in a batch reactor. The support is found to have major influence on the effect of calcination temperature on the nature of the supported MoO3 species and catalytic activity. Besides, the support influences the stability of the MoO3 during the reaction.
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The authors thank The Head, NCCR, IIT Madras and DST, New Delhi.
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Sankaranarayanan, T.M., Thirunavukkarasu, K., Banu, M. et al. Activity of supported MoO3 catalysts for the transesterification of sunflower oil. Int J Adv Eng Sci Appl Math 5, 197–209 (2013). https://doi.org/10.1007/s12572-013-0097-z
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DOI: https://doi.org/10.1007/s12572-013-0097-z