Cited by 25Algal biology and biofuel productionCarbon Dioxide Capture TechnologiesMicrobial Metabolic Engineering and Bioproduction

Utilizing CO 2 in industrial off-gas for microalgae cultivation: considerations and solutions

Comley, Jacob G., Scott, John A., Laamanen, Corey A.·2024·Critical Reviews in Biotechnology

Abstract

The utilization of microalgae to treat carbon dioxide (CO2)-rich industrial off-gas has been suggested as both beneficial for emissions reduction and economically favorable for the production of microalgal products. Common sources of off-gases include coal combustion (2–15% CO2), cement production (8–15% CO2), coke production (18–23% CO2), and ore smelting (6–7% CO2). However, industrial off-gas also commonly contains other acid gas components [typically nitrogen oxides (NOX) and sulfur dioxide (SO2)] and metals that could inhibit microalgae growth and productivity. To utilize industrial off-gas effectively in microalgae cultivation systems, a number of solutions have been proposed to overcome potential inhibitions. These include bioprospecting to identify suitable strains, genetic modification to improve specific cellular characteristics, chemical additions, and bioreactor designs and operating procedures.In this review, results from microalgae experiments related to utilizing off-gas are presented, and the outcomes of different conditions discussed along with potential solutions to resolve limitations associated with the application of off-gas.

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Crossref · 10.1080/07388551.2023.2233692

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121 of 121 references verified0 citation errors · 0 not checkable

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  • Integration of algal cultivation with wastewater and CO2-rich waste gases can enhance algal biomass accumulation and improve carbon capture efficiency while mitigating environmental impacts.

    “In addition, several studies have explored the integration of algal cultivation with wastewater [130,131] and CO 2 -rich waste gases [132,133] to enhance algal biomass accumulation and improve carbon capture efficiency while mitigating environmental impacts.”

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Authors
Comley, J. G., Scott, J. A., & Laamanen, C. A.
Affiliations
Laurentian University (CA)
Corresponding author
Laamanen, Corey A.
Venue
Critical Reviews in Biotechnology
Published
2023-07-27
Volume
44
Issue
5
Pages
910-923
ISSN
  • 0738-8551 (ISSN-L)
  • 1549-7801
OpenAlex
W4385324903
Cited by
25
References
121
Citations by year
2026: 12 · 2025: 10 · 2024: 3
FWCI
0.38
Type
journal article
Language
en
Open access
closed
Locations
  • Critical Reviews in Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Mitacs Accelerate Program (IT14311)
  • Sudbury Integrated Nickel Operations
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
microalgae cultivation, CO2 utilization, CO2 capture, coal-fired flue gas, cement plant emissions, coke oven gas, nitrogen oxides, sulfur dioxide, metal toxicity, microalgae growth inhibition, bioprospecting, genetic modification, bioreactor design, emission reduction
MeSH terms
Biotechnology, Carbon Dioxide, Bioreactors, Microalgae

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