What does “carbon negative” hydrogen mean?


Our equipment produces energy from biomass residues. Because biomass has captured carbon during its growth, combustion or thermolysis only releases into the atmosphere what it has already captured. ADEME thus considers that energy produced from biomass is carbon-neutral in use, and that it emits between 2.29 and 24.4 kgCO2/MWh in Life Cycle Analysis calculations. However, our thermolysis process, instead of releasing all the carbon of the biomass into the atmosphere during its combustion, releases only a portion of it. The majority is captured in solid form in the biochar. So, our solution captured more carbon in solid form than it emitted. Because we are demanding, we include the life cycle emissions of our solution in this calculation. We thus account for emissions related to biomass transportation or equipment construction, for example.

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