Atmospheric Carbon-to-Protein Converters are bioreactors that utilize hydrogen-oxidizing bacteria to convert atmospheric carbon dioxide into proteins, effectively producing food without the need for traditional agricultural practices.
These converters address the challenges of sustainable protein production by reducing reliance on land-intensive agriculture, minimizing water usage, and sequestering CO2. They offer a potential solution for food security in areas with limited arable land or facing environmental constraints.
The process begins with electrolysis of water to generate hydrogen gas (H2). This H2 is then introduced into a bioreactor where it serves as an electron donor. Hydrogen-oxidizing bacteria within the bioreactor use this H2 to fix carbon dioxide from the atmosphere, converting it into organic compounds and ultimately proteins through metabolic pathways.
Manufacturing involves creating bioreactors that can efficiently host hydrogen-oxidizing bacteria while ensuring optimal conditions for both the bacteria's growth and the conversion process. The design must accommodate the need for continuous supply of H2 and CO2, as well as maintain a suitable temperature and pH level.
The build process includes selecting appropriate bacterial strains, designing bioreactor systems that can handle large volumes of gas exchange, implementing efficient cooling and heating mechanisms to control temperature, and ensuring robust filtration and purification systems for the produced proteins.
Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking. Operational power draw is moderate but can be offset by using renewable energy sources.
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