Microalgae biodiesel: current status and future needs for engine performance and emissions

Islam, Muhammad Aminul, Heimann, Kirsten, and Brown, Richard J. (2017) Microalgae biodiesel: current status and future needs for engine performance and emissions. Renewable and Sustainable Energy Reviews, 79. pp. 1160-1170.

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Abstract

Microalgae feedstock is recognised as one of the most promising resources for producing triglycerides which is subsequently converted to biodiesel. However, the large-scale technology required to generate biodiesel from microalgae is still in its early stages of development. Microalgae research to date may be placed into four broad categories: (i) growth, (ii) harvesting, (iii) oil extraction and (iv) fuel properties for engine performance and emissions. More than 1000 manuscripts have been published on the first category with progressively less on subsequent groups. Finally, effects of microalgae methyl esters on engine performance have only been reported in 9 scientific articles. This review will place extraction techniques and engine performance of microalgae biodiesel in the context of the preceding two categories and examine the practical problems associated with fuel properties, engine performance and emissions. Considering energy consumption, toxicity, and time, many of the extraction techniques used in the laboratory show moderate potential for commercial scale. An important finding is that variation of conditions in the first three categories can have a significant effect on biofuel quality which can cause fuel properties to be out of standard and/or adversely affect engine performance and emissions.

Item ID: 49107
Item Type: Article (Refereed Research - C1)
Keywords: microalgae; biofuel; engine performance; emission
ISSN: 1879-0690
Funders: Australian Research Council (ARC)
Projects and Grants: ARC Linkage Grant LP110200158
Date Deposited: 27 Jun 2017 04:58
FoR Codes: 09 ENGINEERING > 0902 Automotive Engineering > 090201 Automotive Combustion and Fuel Engineering (incl Alternative/Renewable Fuels) @ 50%
10 TECHNOLOGY > 1003 Industrial Biotechnology > 100302 Bioprocessing, Bioproduction and Bioproducts @ 50%
SEO Codes: 85 ENERGY > 8505 Renewable Energy > 850501 Biofuel (Biomass) Energy @ 80%
88 TRANSPORT > 8898 Environmentally Sustainable Transport > 889802 Management of Greenhouse Gas Emissions from Transport Activities @ 20%
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