Cited by 101Algal biology and biofuel productionCarbon Dioxide Capture TechnologiesMarine and coastal plant biology

Review on the Recent Structural Advances in Open and Closed Systems for Carbon Capture through Algae

Open access
Paul, Swastik, Bera, Souhardya, Dasgupta, Rishav, Mondal, Shibsankar, Roy, Subhasis·2021·Energy Nexus

Abstract

Carbon capture has already been at the forefront of fighting global warming and ascending carbon dioxide emissions. To cumulate for a net-zero world by 2050, scientists believe carbon dioxide sequestration to play a consequential role. For achieving this near impossible, technologies ranging from simple chemical absorption and adsorption to novel membrane and biological methods have been studied. This review paper focus tentatively on one of the many carbon capture methods- the biological algal systems. Algae has nearly forty times the photosynthesis rate than normal terrestrial organisms, and a circular bio-economy involving algae lead to diversification of feedstock and raw materials. After a short overview on the requisite for carbon capture and other technologies, the article discuss the general strategies for macroalgae and microalgae mediated systems and their applicability. Recent developments in the open raceway pond systems and the closed photobioreactor systems have been reviewed extensively, and novel strategies have also been focused on. A brief discussion has also been added to understand the relation of carbon capture technologies and their implications on the Energy-Water-Food nexus. The present article also discuss the future roadmap for new research and development works that need to take place and how the integration of certain different subjects can render microalgae as a prosperous commercial feedstock.

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Crossref · 10.1016/j.nexus.2021.100032

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  • Elevated intracellular CO2 concentration gives CO2 a competitive advantage over O2 for binding to Rubisco, improving efficiency of CO2 fixation through photosynthesis in algae.

    “This elevated CO 2 concentration inside the cell gives CO 2 a competitive advantage over O 2 for binding to Rubisco, improving the efficiency of CO 2 fixation through photosynthesis in algae [47].”
  • The carbon-concentrating mechanism (CCM) in algae helps reduce photorespiration.

    “A specialized adaptation in algae for enhancing CO 2 fixation is the carbon-concentrating mechanism (CCM), which helps reduce photorespiration-a process that decreases the efficiency of CO 2 fixation when oxygen competes with CO 2 for Rubisco binding sites [47].”
  • Algae exhibit higher photosynthetic rates and shorter growth cycles compared to traditional terrestrial plants.

    “Algae exhibit higher photosynthetic rates and shorter growth cycles compared to traditional terrestrial plants [47].”
  • In open raceway ponds, increasing depths while integrating transparent light scattering columns ensures sufficient light for deeper layers, significantly enhancing CO2 capture efficiency and biomass production.

    “Furthermore, in open raceway ponds (ORPs), increasing their depths while integrating transparent light scattering columns (LSCs) ensures sufficient light for deeper layers, significantly enhancing CO 2 capture efficiency and biomass production [47,140].”
  • Extending the length of the raceway pond increases microalgae-CO2 contact time, further improving CO2 capture efficiency.

    “Additionally, extending the length of the raceway pond increases microalgae-CO 2 contact time, further improving CO 2 capture efficiency [47].”

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1 retracted

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2 of the 179 references couldn’t be matched to a known paper.

Research works printed but not linked: 11

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Authors
Paul, S., Bera, S., Dasgupta, R., Mondal, S., & Roy, S.
Affiliations
University of Calcutta (IN)
Corresponding author
Roy, Subhasis
Venue
Energy Nexus
Publisher
Elsevier BV
Published
2021-12
Volume
4
Pages
100032
ISSN
2772-4271 (ISSN-L)
OpenAlex
W3215402262
Cited by
101
References
179
Citations by year
2026: 17 · 2025: 25 · 2024: 28 · 2023: 16 · 2022: 15
FWCI
2.76
Type
journal article
Language
en
Open access
Locations
  • Energy Nexus (publishedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Department of Science and Technology, Ministry of Science and Technology, India
  • Science and Engineering Research Board (TAR/2018/000195)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine and coastal plant biology
Keywords
CO2 capture, microalgae, seaweed, raceway ponds, closed photobioreactors, biological carbon capture, circular bioeconomy, water-energy-food nexus, CO2 emission reduction

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