Biodiesel production under subcritical solvent condition using subcritical water treated whole Jatropha curcas seed kernels and possible use of hydrolysates to grow Yarrowia lipolytica

Go, Alchris Woo and Sutanto, Sylviana and Tran-Nguyen, Phuong Lan and Ismadji, Suryadi and Gunawan, Setiyo and Yi-Hsu, Ju (2014) Biodiesel production under subcritical solvent condition using subcritical water treated whole Jatropha curcas seed kernels and possible use of hydrolysates to grow Yarrowia lipolytica. Fuel, 120. pp. 46-52. ISSN 0016-2361

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Abstract

In this work, whole Japropha curcas L. seed kernels were firstly treated in subcritical water (448 K, 2.0 MPa initial N2, 15 min, kernel to water ratio 0.5 g g 1) and then the treated kernels were used in the in situ production of biodiesel using a solvent mixture of 75% methanol and 25% acetic acid. It was found that hydrolysate collected from subcritical water treatment of seed kernels contained reducing sugars and can be used to grow Yarrowia lipolytica without the need of detoxification. The in-situ (trans)esterification was successfully optimized using Taguchi design of experiments and a high yield of 101.7 and 65.1 g FAME per 100 g of extractable lipid and dry kernel, respectively could be achieved under optimized conditions (523 K, 3.0 MPa initial CO2 and 7.5 cm3g1 solvent to solid ratio). The devel-oped process can tolerate high FFA and moisture content in feedstock

Item Type: Article
Uncontrolled Keywords: Biodiesel, Jatropha curcas L., Subcritical water, Yarrowia lipolytica
Subjects: Engineering > Chemical Engineering
Divisions: Journal Publication
Depositing User: Suryadi. Ismadji
Date Deposited: 13 Jul 2016 07:57
Last Modified: 19 Jul 2018 08:05
URI: http://repository.wima.ac.id/id/eprint/4193

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