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J. Braz. Chem. Soc. vol.25 número12

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Academic year: 2018

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Figure 1. Support and catalyst pore size distribution.
Figure 2. XPS spectra of the oxide catalyst in the Co2p region.
Table 2. Average cobalt particle size estimated by XPS intensities, Co 3 O 4  crystallite average size calculated by XRD
Figure 3 shows the XRD patterns of the support and oxide  catalysts. The diffraction peak at 40.0 and 66.7 o  are those  of γ-Al 2 O 3  and they can be observed in all samples
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