Qairos Energies: Mass producing green hydrogen from industrial hemp

Digital rendition of the planned green hydrogen production site © Qairos Energies

The French startup is seeking a €19m Series B round to produce industrial quantities of green hydrogen and is planning a “circular economy” partnership with local farmers

French startup Qairos Energies has developed a pyro-gasification technique that converts biomass such as industrial hemp into green hydrogen and methane. It involves shredding the hemp and burning it at high temperatures, releasing gas from which liquid carbon dioxide, biogas and hydrogen can be extracted.  
The system requires 40% less water and electricity than electrolysis of water — currently, the most common technique used to produce green hydrogen — while producing 12 times more hydrogen. The process also produces natural fertilizer and can be adapted to other biomasses such as a...
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