Biodiesel from Castor Oil: A Comparison of Ethanolysis versus Methanolysis

Autor:	Mario R. Meneghetti, Lenise Guimarães de Oliveira, Simoni M.P. Meneghetti, Tatiana M. Serra, Carlos R. Wolf, and Fernanda Cauduro, Laelson de Lira Silva, Gilvan E. S. Lima, Eid C. da Silva
Rok vydání:	2006
Předmět:	Biodiesel Ethanol General Chemical Engineering Energy Engineering and Power Technology Alcohol Transesterification Catalysis chemistry.chemical_compound Fuel Technology chemistry Castor oil Biodiesel production medicine Organic chemistry Methanol medicine.drug
Zdroj:	Energy & Fuels. 20:2262-2265
ISSN:	1520-5029 0887-0624
DOI:	10.1021/ef060118m
Popis:	The transesterification reactions of castor oil with ethanol and methanol as transesterification agents were studied in the presence of several classical catalytic systems. The effects of the nature of the alcohol and catalyst on the yields of monoalkyl fatty acid esters were evaluated. The results indicate that biodiesel can be obtained by transesterification of castor oil using either ethanol or methanol as the transesterification agent. Similar yields of fatty acid esters may be obtained following ethanolysis or methanolysis; however, the reaction times required to attain them are very different, with methanolysis being much more rapid.
Databáze:	OpenAIRE
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