Cited by 165Algal biology and biofuel productionBiodiesel Production and ApplicationsMicrobial Metabolic Engineering and Bioproduction

Microalgae-Based Biodiesel Production and Its Challenges and Future Opportunities: A Review

Open access
Gaurav, Kumar, Neeti, Krishna, Singh, Reena·2024·Green Technologies and Sustainability

Abstract

The rapid depletion of fossil fuel reserves and rising greenhouse gas (GHGs) emissions have necessitated research into low-cost renewable energy sources, with a focus on algal-derived biofuels. Biodiesel, a sustainable alternative fuel, can be derived from a variety of biological sources Microalgae-based biodiesel production offers an innovative method of generating renewable and sustainable energy. By utilizing advanced cultivation techniques, such as photobioreactors and open pond systems, microalgae can be grown efficiently and in large quantities. Furthermore, various methods, such as lipid extraction and transesterification, are employed to convert the lipid-rich microalgae biomass into biodiesel. However, to make microalgae-based biodiesel production more cost-effective and sustainable, several challenges need to be addressed, such as higher production costs, reduced productivity rates, and potential environmental impacts. Future opportunities lie in creating cost-effective and sustainable methods for cultivating and harvesting microalgae, improving lipid yields, and creating effective conversion methods. Overall, microalgae-based biodiesel production shows promise as a renewable and sustainable energy source. However, further research and development must take place to realize its full potential and reap its rewards.

Integrity signals

Registry

Crossref · 10.1016/j.grets.2023.100060

Cites

239 of 239 references verified0 citation errors · 0 not checkable

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Authors
Gaurav, K., Neeti, K., & Singh, R.
Affiliations
National Institute of Technology Patna (IN)
Corresponding author
Singh, Reena
Venue
Green Technologies and Sustainability
Publisher
Elsevier BV
Published
2024-01
Volume
2
Issue
1
Pages
100060
ISSN
2949-7361 (ISSN-L)
OpenAlex
W4388142550
Cited by
165
References
240
Citations by year
2026: 43 · 2025: 85 · 2024: 37
FWCI
7.90
Type
journal article
Language
en
Open access
Locations
  • Green Technologies and Sustainability (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
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, algal biofuels, photobioreactors, open pond cultivation, lipid extraction, transesterification, lipid yield, production costs, renewable energy, greenhouse gas emissions

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