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versión impresa ISSN 0012-7353versión On-line ISSN 2346-2183
Resumen
ARARAT, CARLOS E. et al. SnO2 AS CATALYST AND SUPPORT OF Ni AND Sn IN THE PALM OIL ALCOHOLYSIS. Dyna rev.fac.nac.minas [online]. 2011, vol.78, n.165, pp.176-182. ISSN 0012-7353.
Tin oxide in the form of SnO2 (cassiterite) was used as catalyst in various processes of interest in the chemical industry, such as dehydrogenation, cracking, isomerization and oxidation of hydrocarbons. In this paper, it was study the application of SnO2 as catalyst and as support of nickel and tin species in the alcoholysis of palm oil. SnO2 was obtained by precipitation method and the incorporation of tin and nickel to the support, by the impregnation method. SnO2 was found that showed greater activity against the alcoholysis reaction in comparison with other oxides, such as MgO, and that this activity was affected by the addition of nickel and tin on the surface. Gas chromatography was used for monitoring GC reactions and FT-IR spectroscopy for the analysis of products obtained after processing. The catalysts were analyzed by XRD to determine the crystalline phases present and the analysis of surface area, pore volume and size, to determine the textural properties of the catalysts.
Palabras clave : Tin oxide; alcoholysis; supported catalysts.