Journal of Sustainable Bioenergy Systems

Volume 4, Issue 4 (December 2014)

ISSN Print: 2165-400X   ISSN Online: 2165-4018

Google-based Impact Factor: 0.57  Citations  

A Study on Ethanolysis and Methanolysis of Coconut Oil for Enzymatically Catalyzed Production of Biodiesel

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DOI: 10.4236/jsbs.2014.44020    4,385 Downloads   6,184 Views  Citations

ABSTRACT

Biodiesel production by enzymatic catalysis has been the subject of much research for developing processes that can potentially compete with other types of catalysis. The objective of this study was to investigate the variables that influenced the transesterification of coconut oil catalyzed by immobilized lipase for biodiesel production. A full 24 factorial design with the variables tempera-ture (40°C - 60°C), enzyme concentration (3% - 7%), oil-ethanol ratio (1:6 - 1:10) and alcohol type (methanol-ethanol) was performed. The best conversion result (80.5%) was obtained using ethanol with a higher temperature, molar ratio and enzyme concentration. The obtained yields showed that the results attained with ethanol were more significant when compared with methanol.

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Ribeiro, L. , Silva, A. , Silva, M. and G. Almeida, R. (2014) A Study on Ethanolysis and Methanolysis of Coconut Oil for Enzymatically Catalyzed Production of Biodiesel. Journal of Sustainable Bioenergy Systems, 4, 215-224. doi: 10.4236/jsbs.2014.44020.

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