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- W2081903586 abstract "The reaction behavior and carbon deposition during the CO2/CH4 reforming reaction have been investigated over the γ-Al2O3-supported Co catalysts as a function of Co loading (between 2 and 20 wt%) and calcination temperature (Tc=500 or 1000°C). It was found that the stability of Co/γ-Al2O3 catalysts was strongly dependent on the Co loading and calcination temperature. For some loadings (6 wt% for Tc=500°C and 9 wt% for Tc=1000°C), stable activities have been achieved. However, over the catalysts with high Co loadings (>12 wt%), notable amounts of carbon were accumulated during reforming, and deactivation was observed. Moreover, severe deactivation was also noted over the 2 wt% catalysts, both when carbon deposition occurred (Tc=500°C) or was absent (Tc=1000°C). In the latter case, the oxidation of the metallic sites was responsible for the deactivation. Hence, there are two different deactivation mechanisms, namely, carbon deposition and oxidation of metallic sites. The activities were stable when a balance between carbon formation and its oxidation could be achieved." @default.
- W2081903586 created "2016-06-24" @default.
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- W2081903586 date "2002-01-01" @default.
- W2081903586 modified "2023-10-10" @default.
- W2081903586 title "Carbon Deposition and Catalytic Deactivation during CO2 Reforming of CH4 over Co/γ-Al2O3 Catalysts" @default.
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- W2081903586 doi "https://doi.org/10.1006/jcat.2001.3458" @default.
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