Abstract
AbstractPure hydrogen was produced by means of chemical looping steam methane reforming with novel oxygen carriers. Ni‐ferrite, Ni‐ferrite‐ZrO2, and Ni‐ferrite‐CeO2 were synthesized as oxygen carriers and characterized by X‐ray diffraction (XRD), Brunauer‐Emmett‐Teller (BET) method, scanning electron microscopy (SEM), dynamic light scattering (DLS), and hydrogen temperature‐programmed reduction (H2‐TPR). The performances of the as‐synthesized oxygen carriers in the cyclic oxidation‐reduction were investigated in the packed‐bed microreactor at a defined temperature range and under atmospheric pressure. Ni0.39Fe2.61O4‐ZrO2 exhibited the best performance and maximum methane conversion among the other oxygen carriers. In addition, high selectivities for H2 and CO were reached.
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