Cited by 335Algal biology and biofuel productionBiodiesel Production and ApplicationsMicrobial Metabolic Engineering and Bioproduction

An economic, sustainability, and energetic model of biodiesel production from microalgae

Delrue, F., Setier, P.-A., Sahut, C., Cournac, L., Roubaud, A., Peltier, G., Froment, A.-K.·2012·Bioresource Technology

Abstract

A new process evaluation methodology of microalgae biodiesel has been developed. Based on four evaluation criteria, i.e. the net energy ratio (NER), biodiesel production costs, greenhouse gases (GHG) emission rate and water footprint, the model compares various technologies for each step of the process, from cultivation to oil upgrading. An innovative pathway (hybrid raceway/PBR cultivation system, belt filter press for dewatering, wet lipid extraction, oil hydrotreating and anaerobic digestion of residues) shows good results in comparison to a reference pathway (doubled NER, lower GHG emission rate and water footprint). The production costs are still unfavourable (between 1.94 and 3.35 €/L of biodiesel). The most influential parameters have been targeted through a global sensitivity analysis and classified: (i) lipid productivity, (ii) the cultivation step, and (iii) the downstream processes. The use of low-carbon energy sources is required to achieve significant reductions of the biodiesel GHG emission rate compared to petroleum diesel.

Integrity signals

Registry

Crossref · 10.1016/j.biortech.2012.02.020

Cites

31 of 31 references verified0 citation errors · 0 not checkable

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  • Open-pond farming systems may be a more economical option for mass production of algae, but low biomass productivity and high water consumption further increase the operating costs.

    “Open-pond farming systems may be a more economical option for mass production of algae, but low biomass productivity and high water consumption further increase the operating costs [63,67].”

    From The Perspective of Large-Scale Production of Algae Biodiesel (2020) · cites this paper as [67]

  • The average price of algae biodiesel grown in a photobioreactor is $4.93, which is 66% more than in an open-pond system that is $2.97 L-1.

    “The average price of algae biodiesel grown in a photobioreactor is $4.93, which is 66% more than in an open-pond system that is $2.97 L -1 .”

    From The Perspective of Large-Scale Production of Algae Biodiesel (2020) · cites this paper as [67]

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Authors
Delrue, F., Setier, P.-A., Sahut, C., Cournac, L., Roubaud, A., Peltier, G., & Froment, A.-K.
Affiliations
  • Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
  • Delrue, F.
  • Froment, A.-K.
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2012-05
Volume
111
Pages
191-200
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2071886807
Cited by
335
References
31
Citations by year
2026: 9 · 2025: 11 · 2024: 12 · 2023: 18 · 2022: 25 · 2021: 22 · 2020: 32 · 2019: 28 · 2018: 22 · 2017: 21 · 2016: 37 · 2015: 35 · 2014: 34 · 2013: 23 · 2012: 6
FWCI
12.02
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Biodiesel Production and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
microalgae biodiesel, net energy ratio, greenhouse gas emissions, water footprint, biodiesel production cost, global sensitivity analysis, lipid productivity, low-carbon energy
MeSH terms
Models, Theoretical, Monte Carlo Method, Biofuels, Microalgae

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