Calcium zincate derived heterogeneous catalyst for biodiesel production by ethanolysis

Calcium zincate derived heterogeneous catalyst for biodiesel production by ethanolysis

► Calcium zincate treated at 400°C is active in the ethanolysis of sunflower oil. ► By using a 3wt.% of catalyst at 78°C, FAEE yields higher than 95wt.% are reached after 3h. ► The catalytic activity is maintained even in the presence of free fatty acids (until 1.1° acidity) in the sunflower oil. ►...

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Veröffentlicht in:Fuel (Guildford) 2013-03, Vol.105, p.518-522
Hauptverfasser: Rubio-Caballero, Juan Miguel, Santamaría-González, José, Mérida-Robles, Josefa, Moreno-Tost, Ramón, Alonso-Castillo, Manuel L., Vereda-Alonso, Elisa, Jiménez-López, Antonio, Maireles-Torres, Pedro
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Biodiesel
Calcium
Calcium zincate
Catalysts
Energy
Energy. Thermal use of fuels
Ethanol
Ethanolysis
Ethyl alcohol
Exact sciences and technology
Fatty acids
Fuels
Heterogeneous
Sodium carbonate
Sunflower oil
Zincates
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Beschreibung
Zusammenfassung:► Calcium zincate treated at 400°C is active in the ethanolysis of sunflower oil. ► By using a 3wt.% of catalyst at 78°C, FAEE yields higher than 95wt.% are reached after 3h. ► The catalytic activity is maintained even in the presence of free fatty acids (until 1.1° acidity) in the sunflower oil. ► The addition of Na2CO3 to the catalyst allows removing Ca and Na from biodiesel (
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2012.09.054