Fig. 3

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(a) Comparison between the temperature profiles of CSR and DRM with fired-furnace using Ni–K/CeO2–Al2O3 and Ni/La2O3 catalysts. (b) Comparison between the syngas flow rate profiles of CSR and DRM with fired-furnace using Ni–K/CeO2–Al2O3 and Ni/La2O3 catalyst. (c) Comparison between the Hydrogen yield profiles of CSR and DRM with fired-furnace using Ni–K/CeO2–Al2O3 and Ni/La2O3 catalyst.