Abstract
Bi-reforming of methane (BRM) has emerged as a promising advancement in hydrogen production via direct carbon utilization. To promote BRM, metal-organic framework (MOF)-derived Ni–ZnO–Al2O3 hybrid catalyst was developed via aerosol-assisted approach. The results demonstrated that the incorporation of Al2O3 nanoparticle cluster and ZnO with Ni alloy enhanced the catalytic activity. Superior conversions of reactants and operation stability of the MOF-derived Ni–ZnO–Al2O3 hybrid catalyst was observed, and a high turnover frequency (TOFCH4) of 2.86 s−1 at a moderate operating temperature (650 °C) was achieved. Further, the H2/CO ratio of 1.4–6.5 was attained through the proper adjustment of feed ratios (H2O/CH4, CO2/CH4) and reaction temperature (600–700 °C). Overall, the newly fabricated MOF-derived Ni–ZnO–Al2O3 hybrid catalyst via aerosol-assisted method, demonstrated significant improvements in reducing the required operating temperature of BRM, which is beneficial for simultaneous reduction of the CO2 generated from the methane reforming plus energy consumption, and advancing the development of low-carbon H2 production.
Published Version
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