Optimization of extraction of lipid from Isochrysis galbana microalgae species for biodiesel synthesis

Silitonga, AS; Masjuki, HH; Ong, HC; Mahlia, TMI; Kusumo, F

Optimization of extraction of lipid from Isochrysis galbana microalgae species for biodiesel synthesis

Silitonga, AS Masjuki, HH Ong, HC

Mahlia, TMI

Kusumo, F

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Publication Type:: Journal Article
Citation:: Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 2017, 39 (11), pp. 1167 - 1175
Issue Date:: 2017-06-03

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Field	Value	Language
dc.contributor.author	Silitonga, AS	en_US
dc.contributor.author	Masjuki, HH	en_US
dc.contributor.author	Ong, HC https://orcid.org/0000-0002-6731-4800	en_US
dc.contributor.author	Mahlia, TMI https://orcid.org/0000-0002-6985-929X	en_US
dc.contributor.author	Kusumo, F	en_US
dc.date.issued	2017-06-03	en_US
dc.identifier.citation	Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 2017, 39 (11), pp. 1167 - 1175	en_US
dc.identifier.issn	1556-7036	en_US
dc.identifier.uri	http://hdl.handle.net/10453/127093
dc.description.abstract	© 2017 Taylor & Francis Group, LLC. Microalgae are promising alternative plant sources for biodiesel production because of the signiﬁcant increase in lipid yield through heterotrophic cultivation and genetic engineering approaches. This study aims to evaluate the extraction and conversion of lipids from Isochrysis galbana. Response surface methodology (RSM) was used to optimize lipid extraction and thereby obtain high yields from the four microalgae species. The optimal lipid yields for Isochrysis galbana is 8.41 wt%. Moreover, the dominant lipid composition found from Isochrysis galbana extractions was palmitic acid (C16:0) at 22.3%. The high saturated acid of Isochrysis galbana contributed to the improved biodiesel properties because biodiesel quality is influenced by the lipid composition of microalgae species. The study employed the two-step esteriﬁcation–transesteriﬁcation process to convert the microalgae oil into biodiesel, glycerol, and water. The FAME content is 99.7% under the methanol to oil molar mass of 12:1, 1 wt%, 65°C, and 800 rpm. Furthermore, the main biodiesel properties, such as viscosity, higher heating value, and iodine value, were measured according to ASTM D6751 and EN 14124. Results show that microalgae oil can potentially be used as biofuel in future applications.	en_US
dc.relation.ispartof	Energy Sources, Part A: Recovery, Utilization and Environmental Effects	en_US
dc.relation.isbasedon	10.1080/15567036.2017.1310957	en_US
dc.subject.classification	Energy	en_US
dc.title	Optimization of extraction of lipid from Isochrysis galbana microalgae species for biodiesel synthesis	en_US
dc.type	Journal Article
utslib.citation.volume	11	en_US
utslib.citation.volume	39	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
utslib.for	0913 Mechanical Engineering	en_US
utslib.for	0914 Resources Engineering and Extractive Metallurgy	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Information, Systems and Modelling
pubs.organisational-group	/University of Technology Sydney/Strength - CAMGIS - Centre for Advanced Modelling and Geospatial lnformation Systems
utslib.copyright.status	closed_access
pubs.issue	11	en_US
pubs.publication-status	Published	en_US
pubs.volume	39	en_US

Abstract:

© 2017 Taylor & Francis Group, LLC. Microalgae are promising alternative plant sources for biodiesel production because of the signiﬁcant increase in lipid yield through heterotrophic cultivation and genetic engineering approaches. This study aims to evaluate the extraction and conversion of lipids from Isochrysis galbana. Response surface methodology (RSM) was used to optimize lipid extraction and thereby obtain high yields from the four microalgae species. The optimal lipid yields for Isochrysis galbana is 8.41 wt%. Moreover, the dominant lipid composition found from Isochrysis galbana extractions was palmitic acid (C16:0) at 22.3%. The high saturated acid of Isochrysis galbana contributed to the improved biodiesel properties because biodiesel quality is influenced by the lipid composition of microalgae species. The study employed the two-step esteriﬁcation–transesteriﬁcation process to convert the microalgae oil into biodiesel, glycerol, and water. The FAME content is 99.7% under the methanol to oil molar mass of 12:1, 1 wt%, 65°C, and 800 rpm. Furthermore, the main biodiesel properties, such as viscosity, higher heating value, and iodine value, were measured according to ASTM D6751 and EN 14124. Results show that microalgae oil can potentially be used as biofuel in future applications.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/127093