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CARBONAIR – the first carbon-negative cement

HYDROGENATE is a moonshot project to convert gigatons of atmospheric CO2 into a carbon-negative bulk feedstock: CARBONAIR. We do this in partnership with nature. Nature converts CO2 into biomass, which becomes waste over time. Instead of burning the waste back into CO2 , our HYDROGENATE technology first converts the organic components of the waste into methane, largely without leaving any residue.

HYDROGENAGTE – Waste becomes renewable natural gas

Methane is then transformed into solid carbon by means of methane pyrolysis: CARBONAIR. CARBONAIR will become a carbon-negative bulk feedstock for durable goods such as carbon-negative building materials for future carbon-negative buildings and cities. The hydrogen used to convert the waste is released again in the subsequent methane pyrolysis and is therefore available to the process in the cycle. As a result, the process can be operated in a very energy-efficient manner.

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