EIMER GRISELDA ALEJANDRA
Artículos
Título:
Mixed oxides tuned with alkaline metals to improve glycerolysis for biodiesel sustainable production
Autor/es:
NANCY BÁLSAMO; KARIM SAPAG; MARCOS OLIVA; GINA PECCHI; GRISELDA EIMER; MÓNICA CRIVELLO
Revista:
CATALYSIS TODAY
Editorial:
ELSEVIER SCIENCE BV
Referencias:
Lugar: Amsterdam; Año: 2016 vol. 279 p. 209 - 209
ISSN:
0920-5861
Resumen:
iofuels are renewable solutions to replace the environmentally pollutant fossil liquid fuels. They are produced from low cost sustainable feedstocks. Thus, the special increase on biodiesel production is generating high quantities of glycerol as by-product. Monoglycerides derived from glycerol are compounds employed as emulsifiers in food, cosmetic and pharmaceutical products. In this study, monoglycerides were produced as glycerol value-added products via transesterification reaction of methyl stearate. This green and selective process involved catalysis from hydrotalcite-like compounds with different metals incorporated (Li, K or Cs) to improve their basic properties. Layered Double Hydroxides were obtained by two different methods and activated by calcination. All samples were examined by X-ray Diffraction, Specific Surface determined by the BET method, Temperature-Programmed Desorption of CO2 and Infrared Absorption Spectroscopy with Fourier Transform for basic sites measurement.