Thin biofilms convert CO2 into 96% pure biomethane, says researchers
Researchers at the Norwegian Institute of Bioeconomy Research (NIBIO) and the Norwegian University of Life Sciences have developed a biofilm-based process that converts carbon dioxide and syngas into biomethane with purity levels exceeding 96%.
The method uses thin microbial layers to produce renewable gas under oxygen-free conditions and could support the development of circular carbon systems.
These anaerobic conditions allow the biofilm layers to absorb and metabolise CO2 or carbon monoxide into methane. This is different from traditional biogas methods that decompose organic waste such as manure.
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