Hydrogen Production by Using Manganese Ferrite: Evidences and Benefits of a Multi-Step Reaction Mechanism

ENNAS, GUIDO;
2006-01-01

Abstract

Hydrogen production by water splitting with MnFe2O4/Na2CO3 system was studied at 973 K. An intermediate phase, resulting from decarbonatation of MnFe2O4/Na2CO3 mixture in inert atmosphere, proved to be effective in hydrogen reduction from water with stoichiometric yield. The presence of a highly reactive intermediate phase suggests the feasibility of a high efficiency, three-step, thermochemical cycle for hydrogen production. In fact, the possibility of obtaining CO2 separately from the gases mixture dramatically enhances process efficiency.
2006
thermochemical water splitting; manganese ferrite; hydrogen
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