Process for hydrogen synthesis Universiteit Antwerpen
Provided herein are processes for the synthesis of hydrogen gas (H2) in a reactor under mild hydrothermal conditions, at a temperature between 120° C and 240° C and a pressure below 70 bar. The processes comprise contacting metallic iron (Fe0) or a Fe(ll) containing compound with an aqueous composition comprising carbonate ions; and letting the metallic iron or Fe(ll) containing compound react with water, thereby obtaining magnetite and hydrogen gas.