technology

PEM electrolysis

Polymer-electrolyte-membrane water electrolysis supplying high-purity renewable hydrogen for gas fermentation.

Where it's used

Gas fermentation of food protein
Microbial food protein grown by feeding hydrogen-oxidising bacteria a mix of hydrogen, CO2 and oxygen in gas-loop bioreactors — a land-free 'food from air' route now at commercial demonstration scale.
food-alt-protein 8 min