Life-cycle assessment of microalgae biodiesel: a review

Figueiredo, Filipa; Garcia, Rita; Gonçalves, Margarida S.; Castanheira, Érica; Malça, João; Oliveira, Ana Cristina; Matos, Cristina T.; Freire, Fausto

http://hdl.handle.net/10400.9/3007

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Authors

Figueiredo, Filipa

Garcia, Rita

Gonçalves, Margarida S.

Castanheira, Érica

Malça, João

Oliveira, Ana Cristina

Matos, Cristina T.

Freire, Fausto

Abstract(s)

Microalgae are an attractive way to produce biofuels due to the ability to accumulate lipids and very high photosynthetic yields. This article presents a review of life-cycle assessment studies of microalgae biodiesel production, including an analysis of modeling choices and assumptions. A high variation in GHG emissions (between -0.75 and 2.9 kg CO2eq MJ-1) was found and the main causes were investigated, namely modeling choices (e.g. the approach used to deal with multifunctionality), and a high parameter uncertainty in microalgae cultivation, harvesting and oil extraction processes.

Keywords

Greenhouses Photobioreactors Life cycle assessment Microalgae Biodiesel Production

URI

http://hdl.handle.net/10400.9/3007

Citation

Figueiredo, F.; Garcia, R.; Gonçalves, M.S. [et.al.]. - Life-cycle assessment of microalgae biodiesel: a review. In: Energy for Sustainability 2015: Sustainable Cities: Designing for People and the Planet, Coimbra, Portugal, 14-15 May, 2015, 8 p.