August 23, 2025FermentationOpen Access

Use of Depleted Oil and Gas Reservoirs as Bioreactors to Produce Hydrogen and Capture Carbon Dioxide

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Bioreactors utilize depleted oil reservoirs to enhance hydrogen production and carbon capture, suggesting a sustainable energy solution.

Hydrogen production can be achieved through microbial conversion of residual hydrocarbons in depleted oil reservoirs.
Strategies such as nutrient modulation and chemical additives can stimulate hydrogen-producing microbiota for improved efficiency.
The approach supports carbon dioxide sequestration while reducing disturbance to the surface environment.
Economic viability depends on overcoming various technical and operational challenges associated with biotechnological methods.

Sampaio et al. (2025) studied this question.

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