Go, Alchris Woo, Sutanto, Sylviana, Zullaikah, Siti, Ismadji, Suryadi and Ju, Yi-Hsu (2016) A new approach in maximizing and direct utilization of whole Jatropha curcas L. kernels in biodiesel production – technological improvement. Renewable Energy, 85. pp. 759-765. ISSN 09601481
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Abstract
The direct (trans)esterification of whole Jatropha curcas L. (JCL) kernels in subcritical solvent mixture of water, methanol and acetic acid was explored. A high fatty acid methyl ester (FAME) yield of 96.56% could be achieved at a solvent (water: acetic acid: methanol ¼ 1:5:15, v/v/v) to solid ratio of 7 cm3 g�1. The reaction mixture was pressurize with carbon dioxide and reacted for 1 h at 523 K and 12.5 MPa. Qualitative tests on the recovered polar fractions of the product were found to have radical scavenging activities. The characteristics of the spent kernel residues were also studied. The method employed in this study provides an alternative approach to better utilize JCL kernels and cut down the number of production steps.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Jatropha curcas, supercriticritical methanol, subcritical water, subcritical acetic acid(Trans)esterification |
| Subjects: | Engineering > Chemical Engineering |
| Divisions: | Journal Publication |
| Depositing User: | Suryadi. Ismadji |
| Date Deposited: | 11 Jan 2016 04:33 |
| Last Modified: | 19 Jul 2018 08:57 |
| URI: | http://repository.ukwms.ac.id/id/eprint/4173 |
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