Cited by 117Algal biology and biofuel productionBiofuel production and bioconversionSeaweed-derived Bioactive Compounds

Macroalgae in biofuel production

Suutari, Milla, Leskinen, Elina, Fagerstedt, Kurt, Kuparinen, Jorma, Kuuppo, Pirjo, Blomster, Jaanika·2015·Phycological Research

Abstract

Abstract The conversion processes of macroalgae for biofuels can be divided into thermochemical (dry) and microbiological (wet) processes. The chemical composition of macroalgae together with the pre‐treatment method, conversion conditions, and the characteristics of the microbes involved (wet processes) determine the yield and the properties of the biofuel produced. Macroalgae are often rich in carbohydrates, and therefore well suited for biogas, biobutanol and bioethanol productions. The content of triacylglycerols ( TAG s) is the best indicator for the suitability of the alga for biodiesel production. TAG s have a high conversion rate to biodiesel, high percentage of fatty acids, and they lack phosphorus, sulfur and nitrogen. Macroalgae can have high metal concentrations, which can have an impact on conversion processes: metals may inhibit or catalyse the processes. High sulfur (especially in green algae) and nitrogen contents are also characteristic to macroalgae, and may be problematic in the production of biogas ( NH 3 ‐toxicity) and the use of the oil and biodiesel (high concentrations of H 2 S and NO x ‐compounds). Macroalgae have proven to be suitable material for conversion processes, but further optimization of the processes is needed. At present, macroalgae are not economically, or in many cases not even environmentally, sustainable material when the whole production chain is considered. In this review we summarize information on the chemical composition of macroalgae in a prospect of biofuel production, and the current situation in the field of macroalgal‐based biofuel production.

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Crossref · 10.1111/pre.12078

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Authors
Suutari, M., Leskinen, E., Fagerstedt, K., Kuparinen, J., Kuuppo, P., & Blomster, J.
Affiliations
  • University of Helsinki (FI)
  • Neste Oil (Finland) (FI)
Corresponding author
Suutari, Milla
Venue
Phycological Research
Publisher
Wiley
Published
2014-12-05
Volume
63
Issue
1
Pages
1-18
ISSN
  • 1322-0829 (ISSN-L)
  • 1440-1835
OpenAlex
W1793929793
Cited by
117
References
173
Citations by year
2026: 5 · 2025: 8 · 2024: 9 · 2023: 2 · 2022: 14 · 2021: 11 · 2020: 12 · 2019: 14 · 2018: 18 · 2017: 8 · 2016: 13 · 2015: 3
FWCI
2.64
Type
journal article
Language
en
Open access
closed
Locations
Phycological Research (publishedVersion)
Funders
The Foundation for Research of Natural Resources in Finland (1763/13)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Seaweed-derived Bioactive Compounds
Keywords
seaweed, biofuel production, biodiesel, triglycerides, biogas, biobutanol, bioethanol, thermochemical conversion, metal contamination, nitrogen and sulfur content, ammonia toxicity, process optimization

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