期刊
JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC
卷 66, 期 1-2, 页码 166-171出版社
ELSEVIER
DOI: 10.1016/j.molcatb.2010.05.002
关键词
Enzymes; Biodiesel fuel; Lipase; Granular activated carbon; Activated carbon cloth
资金
- Fondo Especial de Investigaciones de la Facultad de Ciencias de la Universidad de Los Andes (Colombia)
Fatty acid esters (biodiesel) were produced from the enzymatic transesterification of palm oil with methanol, ethanol, 1-propanol and 1-butanol. Isopropanol and isobutanol were also studied. Candida antarctica B lipase was immobilized on granular activated carbon (ACG-E) and activated carbon cloth (ACC-E) and used as a catalyst (biocatalyst). In the conversion of palm oil to alkyl esters using granular activated carbon as a support, isobutanol gave the highest conversion of 100%, isopropanol 86%, 1-butanol 77%, 1-propanol 68% and ethanol 57%, while only 48% methyl ester was observed with methanol. With activated carbon cloth used to support the enzyme, isobutanol gave the highest conversion of 82%, isobutanol 72%, isopropanol 59%, 1-butanol 45% and propanol 40%, while only 28% methyl ester was observed with methanol. (C) 2010 Elsevier B.V. All rights reserved.
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