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Macroalgae-Derived Biofuel: A Review of Methods of Energy Extraction from Seaweed Biomass

Milledge, John J.; Smith, Benjamin; Dyer, Philip W.; Harvey, Patricia

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Authors

John J. Milledge

Benjamin Smith

Patricia Harvey



Abstract

The potential of algal biomass as a source of liquid and gaseous biofuels is a highly topical theme, but as yet there is no successful economically viable commercial system producing biofuel. However, the majority of the research has focused on producing fuels from microalgae rather than from macroalgae. This article briefly reviews the methods by which useful energy may be extracted from macroalgae biomass including: direct combustion, pyrolysis, gasification, trans-esterification to biodiesel, hydrothermal liquefaction, fermentation to bioethanol, fermentation to biobutanol and anaerobic digestion, and explores technical and engineering difficulties that remain to be resolved.

Citation

Milledge, J. J., Smith, B., Dyer, P. W., & Harvey, P. (2014). Macroalgae-Derived Biofuel: A Review of Methods of Energy Extraction from Seaweed Biomass. Energies, 7(11), 7194-7222. https://doi.org/10.3390/en7117194

Journal Article Type Article
Acceptance Date Oct 28, 2014
Online Publication Date Nov 7, 2014
Publication Date Nov 7, 2014
Deposit Date Dec 2, 2014
Publicly Available Date Dec 3, 2014
Journal Energies
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 7
Issue 11
Pages 7194-7222
DOI https://doi.org/10.3390/en7117194
Keywords Seaweed, Macroalgae, Algae, Bioenergy, Pyrolysis, Gasification, Liquefaction, Fermentation, Anaerobic digestion.

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