Sunflower oil methanolisys and glycerol ketalisation: stepwise production of biofuels and additives with 3-methylimidazolium hydrogensulphate as catalyst
Vol. 41 No. 1 (2016), Original articles
Vol. 41 No. 1 (2016)

Sunflower oil methanolisys and glycerol ketalisation: stepwise production of biofuels and additives with 3-methylimidazolium hydrogensulphate as catalyst

Original articles
https://doi.org/10.26850/1678-4618eqj.v41.1.2016.p54-59
Published 2016-12-26
Sandro Luiz Barbosa dos Santos
Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Farmácia, Diamantina, Brasil.
Bruna Kaicy Barbosa
Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Farmácia, Diamantina, Brasil.
Camila de Lima
Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Farmácia, Diamantina, Brasil.
Alice Lopes Macedo
Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Farmácia, Diamantina, Brasil.
Jacqueline Nakau Mendonça
Universidade de São Paulo, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Ribeirão Preto, Brasil.
Giuliano Cesar Glososki
Universidade de São Paulo, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Ribeirão Preto, Brasil.
Norberto Peporine Lopes
Universidade de São Paulo, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Ribeirão Preto, Brasil.
Stanlei Ivair Klein
Universidade Estadual Paulista, Instituto de Química, Araraquara, Brasil.
Volume 41, 1, 2016, Eclética Química Journal
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Keywords

sunflower oil
transesterification
ketal production
glycerol
ionic liquid
biodiesel additive

How to Cite

dos Santos, S. L. B., Barbosa, B. K., de Lima, C., Macedo, A. L., Mendonça, J. N., Glososki, G. C., Lopes, N. P., & Klein, S. I. (2016). Sunflower oil methanolisys and glycerol ketalisation: stepwise production of biofuels and additives with 3-methylimidazolium hydrogensulphate as catalyst. Eclética Química, 41(1), 54–59. https://doi.org/10.26850/1678-4618eqj.v41.1.2016.p54-59
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Abstract

The ionic liquid 3-methylimidazolium hydrogensulfate is soluble within the glycerol phase that it creates, after catalyzing the transesterification of sunflower oil to fatty acids methyl esters with methanol. Separation of this phase and addition of acetone allow the production of the 5-membered ketal 2,2-dimethyl-1,3-dioxylane-4-yl-methanol, in which the catalyst is insoluble and is removed by decantation. After drying under vacuum, the ionic liquid is ready to rerun to the two-stage cycle with no apparent loss of activity.

https://doi.org/10.26850/1678-4618eqj.v41.1.2016.p54-59
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EPUB

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