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Cytochrome Technologies develops geobiological reactor systems for long-term carbon removal using ocean-based enhanced rock weathering. The company focuses on modular bioreactor units that co-locate with emission sources to process low-purity carbon dioxide streams. Its systems use seawater, ultramafic and mafic minerals, and microbial processes to
accelerate mineral weathering and convert CO2 into stable dissolved bicarbonate. This approach supports permanent negative emissions and integrates geobiology with process engineering. In addition to carbon sequestration, its technology is designed to enable recovery of critical metals associated with the mineral feedstocks, supporting resource use in renewable energy supply chains. Cytochrome Technologies serves organizations seeking industrial-scale carbon management solutions and related mineral recovery capabilities.