Cited by 1,284Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionBiodiesel Production and Applications

Microalgae as a raw material for biofuels production

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Gouveia, Luisa, Oliveira, Ana Cristina·2009·Journal of Industrial Microbiology & Biotechnology

Abstract

Biofuels demand is unquestionable in order to reduce gaseous emissions (fossil CO(2), nitrogen and sulfur oxides) and their purported greenhouse, climatic changes and global warming effects, to face the frequent oil supply crises, as a way to help non-fossil fuel producer countries to reduce energy dependence, contributing to security of supply, promoting environmental sustainability and meeting the EU target of at least of 10% biofuels in the transport sector by 2020. Biodiesel is usually produced from oleaginous crops, such as rapeseed, soybean, sunflower and palm. However, the use of microalgae can be a suitable alternative feedstock for next generation biofuels because certain species contain high amounts of oil, which could be extracted, processed and refined into transportation fuels, using currently available technology; they have fast growth rate, permit the use of non-arable land and non-potable water, use far less water and do not displace food crops cultures; their production is not seasonal and they can be harvested daily. The screening of microalgae (Chlorella vulgaris, Spirulina maxima, Nannochloropsis sp., Neochloris oleabundans, Scenedesmus obliquus and Dunaliella tertiolecta) was done in order to choose the best one(s), in terms of quantity and quality as oil source for biofuel production. Neochloris oleabundans (fresh water microalga) and Nannochloropsis sp. (marine microalga) proved to be suitable as raw materials for biofuel production, due to their high oil content (29.0 and 28.7%, respectively). Both microalgae, when grown under nitrogen shortage, show a great increase (approximately 50%) in oil quantity. If the purpose is to produce biodiesel only from one species, Scenedesmus obliquus presents the most adequate fatty acid profile, namely in terms of linolenic and other polyunsaturated fatty acids. However, the microalgae Neochloris oleabundans, Nannochloropsis sp. and Dunaliella tertiolecta can also be used if associated with other microalgal oils and/or vegetable oils.

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  1. [4]4. Biofuels Media Ltd (2007) Bringing the biofuel markets together. In: Algae: feedstock of the future. http://www.biofuelsmedia.com/ press. Accessed 8 Sep 2008
  2. [21]21. Rana R, Spada V (2007) Biodiesel production from ocean biomass. In: Proceedings of the 15th European conference and exhibition, Berlin 28. RodolW L, Bassi N, Padovani G, Bonini G, Zitelli GC, Biondi N, Tredici MR (2007) Lipid production from microalgae: strain selection, induction of lipid synthesis and outdoor cultivation in pilot photobioreactors. In: Proceedings of the 15th European con- ference and exhibition, Berlin 29. Sheehan J, Dunahay T, Benemann J, Roessler P (1998) A look back at the US Department of energy's aquatic species program- biodiesel from algae. National Renewable Energy Laboratory, Golden

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Authors
Gouveia, L., & Oliveira, A. C.
Affiliations
National Institute of Engineering, Technology and Innovation (PT)
Venue
Journal of Industrial Microbiology & Biotechnology
Published
2008-11-04
Volume
36
Issue
2
Pages
269-274
ISSN
  • 1367-5435 (ISSN-L)
  • 1476-5535
OpenAlex
W2148227357
Cited by
1,284
References
30
Citations by year
2026: 22 · 2025: 34 · 2024: 31 · 2023: 36 · 2022: 65 · 2021: 76 · 2020: 83 · 2019: 73 · 2018: 70 · 2017: 100 · 2016: 97 · 2015: 107 · 2014: 123 · 2013: 124 · 2012: 105
FWCI
25.92
Type
journal article
Language
en
Open access
Locations
  • Journal of Industrial Microbiology & Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Physical Sciences › Engineering › Biomedical Engineering › Biodiesel Production and Applications
Keywords
microalgae, biofuels, biodiesel, Nannochloropsis, Dunaliella tertiolecta, Scenedesmus obliquus, nitrogen starvation, fatty acid composition, polyunsaturated fatty acids
MeSH terms
Chlorophyta, Bioelectric Energy Sources, Biotechnology, Conservation of Natural Resources, Culture Media, Energy-Generating Resources, Fatty Acids, Unsaturated, Fresh Water, Seawater, alpha-Linolenic Acid, Biomass

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