What question did this study set out to answer?

To explore the effectiveness of Nannochloropsis oceanica IMET1 in capturing carbon dioxide through biomass production and calcium carbonate formation.

February 6, 2026Open Access

Nannochloropsis oceanica IMET1 and its bacterial symbionts for carbon capture, utilization, and storage: biomass and calcium carbonate production under high pH and high alkalinity

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Authors

LJLauren JonasUniversity of Maryland, Baltimore YLYi-Ying LeeUniversity of Maryland, Baltimore RMRita MrozEnvironment and Climate Change Canada

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Implication

Demonstrates enhanced carbon capture using Nannochloropsis oceanica in high pH and alkalinity conditions, suggesting improved mitigation strategies.

Key Points

To explore the effectiveness of Nannochloropsis oceanica IMET1 in capturing carbon dioxide through biomass production and calcium carbonate formation.
Cultured Nannochloropsis oceanica IMET1 in high pH and high alkalinity conditions.
Utilized sodium bicarbonate to enhance algal growth and CO₂ capture.
Conducted experiments at lab scale (1 L) and pilot scale (500 L) with varying CO₂ levels.
Analyzed bacterial community composition associated with microalgae.
Achieved 1.52 g L⁻¹ biomass production at the 1 L scale after 12 days.
Captured an additional 9.3% CO₂ as CaCO₃ precipitates at the 1 L scale.
At the 500 L scale, captured 60% more CO₂ with a maximum capture rate of 63.2 g m⁻² day⁻¹ on Day 35.

Cite This Study

Jonas et al. (2025) studied this question.

synapsesocial.com/papers/698585678f7c464f23008ba7 https://doi.org/10.13016/m2bunk-6bly

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Implication

Demonstrates enhanced carbon capture using Nannochloropsis oceanica in high pH and alkalinity conditions, suggesting improved mitigation strategies.

Nannochloropsis oceanica IMET1 and its bacterial symbionts for carbon capture, utilization, and storage: biomass and calcium carbonate production under high pH and high alkalinity

Discussion

Member takes

Implication

Key Points

Cite This Study

Nannochloropsis oceanica IMET1 and its bacterial symbionts for carbon capture, utilization, and storage: biomass and calcium carbonate production under high pH and high alkalinity

Discussion

Member takes

Implication

Key Points

Cite This Study

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