Cited by 92Algal biology and biofuel productionMicrobial Metabolic Engineering and BioproductionCarbon Dioxide Capture Technologies

Bicarbonate-Based Cultivation of Dunaliella salina for Enhancing Carbon Utilization Efficiency

Kim, Ga-Yeong, Heo, Jina, Kim, Hee-Sik, Han, Jong-In·2017·Bioresource Technology

Abstract

In this study, bicarbonate was proposed as an alternative carbon source to overcome exceedingly low CO 2 fixation efficiency of conventional microalgae cultivation system. 5gL-1 of sodium bicarbonate was found to well support the growth of Dunaliella salina, showing 2.84-fold higher specific growth rate than a bicarbonate-free control. This bicarbonate-fed cultivation also could yield biomass productivity similar to that of CO 2-based system as long as pH was controlled. While the supplied CO 2, because of its being a gas, was mostly lost and only 3.59% of it was used for biomass synthesis, bicarbonate was effectively incorporated into the biomass with 91.40% of carbon utilization efficiency. This study showed that the bicarbonate-based microalgae cultivation is indeed possible, and can even become a truly environment-friendly and workable approach, provided that a CO 2 mineralization technology is concomitantly established.

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Registry

Crossref · 10.1016/j.biortech.2017.04.009

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20 of 20 references verified0 citation errors · 0 not checkable

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  • Converting CO2 into a bicarbonate solution used as a carbon source in algal cultivation systems overcomes the limitations of gas-phase CO2 dissolution.

    “Studies have demonstrated that converting CO 2 into a bicarbonate solution, used as a carbon source in algal cultivation systems, overcomes the limitations of gas-phase CO 2 dissolution [150,152-154].”

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Authors
Kim, G.-Y., Heo, J., Kim, H.-S., & Han, J.-I.
Affiliations
  • Korea Advanced Institute of Science and Technology (KR)
  • Korea Research Institute of Bioscience and Biotechnology (KR)
Corresponding author
Han, Jong-In
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2017-08
Volume
237
Pages
72-77
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2604954078
Cited by
92
References
20
Citations by year
2026: 7 · 2025: 16 · 2024: 4 · 2023: 15 · 2022: 10 · 2021: 14 · 2020: 10 · 2019: 12 · 2018: 3 · 2017: 1
FWCI
1.90
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
  • KRIBB Repository (submittedVersion)
Funders
  • NRF (NRF-2011-0031348)
  • KEPCO (CX72-16-0009)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
  • Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
Keywords
Dunaliella salina, bicarbonate, microalgae cultivation, carbon use efficiency, CO2 fixation, specific growth rate, biomass productivity, pH control, CO2 mineralization
MeSH terms
Chlorophyta, Bicarbonates, Carbon, Carbon Dioxide, Microalgae

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