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Int. J. Mol. Sci. 2015, 16(5), 9385-9405;

New Biofuel Alternatives: Integrating Waste Management and Single Cell Oil Production

Chemical and Environmental Bioprocess Engineering Department, Natural Resources Institute (IRENA), University of León, Av. de Portugal 41, León 24071, Spain
Department of Bioresource Engineering, McGill University, 21111 Lakeshore Road, Ste-Anne-De-Bellevue, QC H9X-3V9, Canada
Author to whom correspondence should be addressed.
Academic Editor: James H. Clark
Received: 26 February 2015 / Revised: 26 February 2015 / Accepted: 14 April 2015 / Published: 24 April 2015
(This article belongs to the Special Issue Green Chemistry and the Biorefinery)
View Full-Text   |   Download PDF [886 KB, uploaded 24 April 2015]   |  


Concerns about greenhouse gas emissions have increased research efforts into alternatives in bio-based processes. With regard to transport fuel, bioethanol and biodiesel are still the main biofuels used. It is expected that future production of these biofuels will be based on processes using either non-food competing biomasses, or characterised by low CO2 emissions. Many microorganisms, such as microalgae, yeast, bacteria and fungi, have the ability to accumulate oils under special culture conditions. Microbial oils might become one of the potential feed-stocks for biodiesel production in the near future. The use of these oils is currently under extensive research in order to reduce production costs associated with the fermentation process, which is a crucial factor to increase economic feasibility. An important way to reduce processing costs is the use of wastes as carbon sources. The aim of the present review is to describe the main aspects related to the use of different oleaginous microorganisms for lipid production and their performance when using bio-wastes. The possibilities for combining hydrogen (H2) and lipid production are also explored in an attempt for improving the economic feasibility of the process. View Full-Text
Keywords: single-cell oil; lipid production; H2 fermentative process; organic wastes; lignocellulosic biomass single-cell oil; lipid production; H2 fermentative process; organic wastes; lignocellulosic biomass

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Martínez, E.J.; Raghavan, V.; González-Andrés, F.; Gómez, X. New Biofuel Alternatives: Integrating Waste Management and Single Cell Oil Production. Int. J. Mol. Sci. 2015, 16, 9385-9405.

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