NDLI: A facile synthesis of glycerol carbonate by transesterification of glycerol with dimethyl carbonate: Ceria based catalysts

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A facile synthesis of glycerol carbonate by transesterification of glycerol with dimethyl carbonate: Ceria based catalysts

Content Provider	Semantic Scholar
Author	Venkatesh, Venkatesh Zaheeruddin, Mohamed Shamshuddin Sathgatta Raghavendra, Pratap Srinivasa
Copyright Year	2019
Abstract	Abstract. Solid base catalysts such as Ceria-Zirconia-Magnesia with different mole ratio of magnesium were prepared by impregnation method and characterized by CO2-TPD, PXRD, FT-IR and ICP-OES analysis. The catalytic activity of the catalysts was tested in the liquid phase transesterification of glycerol with dimethyl carbonate to synthesise glycerol carbonate. Optimization of reaction condition was carried out by varying the molar ratio of the reactants, temperature and time. The highest yield (97 %) of glycerol carbonate was obtained at a reactant molar ratio of 1:3 at 120 °C in 6 h. Study of reusability and reactivation of solid base catalyst was also taken up. A suitable base catalysed mechanism for the formation of glycerol carbonate is proposed.Resumen. Se prepararon catalizadores de base solida como Ceria-Zirconia-Magnesia con diferentes proporciones molares de magnesio mediante el metodo de impregnacion y se caracterizaron por analisis de CO2-TPD, PXRD, FT-IR e ICP-OES. La actividad catalitica de los catalizadores se probo en la transesterificacion en fase liquida de glicerol con carbonato de dimetilo para sintetizar carbonato de glicerol. La optimizacion de las condiciones de reaccion se llevo a cabo variando la relacion molar de los reactivos, la temperatura y el tiempo. El mayor rendimiento (97 %) de carbonato de glicerol se obtuvo a una relacion molar reactiva de 1:3 a 120 °C en 6 h. Tambien se realizo un estudio de la reutilizacion y reactivacion del catalizador de base solida. Se propone un mecanismo catalitico basico adecuado para la formacion de carbonato de glicerol.
File Format	PDF HTM / HTML
DOI	10.29356/jmcs.v62i4.859
Volume Number	62
Alternate Webpage(s)	https://www.jmcs.org.mx/index.php/jmcs/article/download/859/549
Alternate Webpage(s)	https://doi.org/10.29356/jmcs.v62i4.859
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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