Catalysis Communications p. 74 - 77 (2018)
Update date:2022-08-30
Topics:
Zhao, Lili
Wang, Yi
An, Hualiang
Zhao, Xinqiang
Wang, Yanji
The effect of reaction conditions on the catalytic performance of Ni/γ-Al2O3 was investigated and the result showed that Ni/γ-Al2O3 showed excellent catalytic activity. However, the catalytic performance of the recovered Ni/γ-Al2O3 catalyst declined dramatically. The fresh and the recovered catalysts were comparatively analyzed by means of XRD, XPS and FT-IR techniques. The result demonstrated that the main reason for the activity decline of the recovered Ni/γ-Al2O3 catalyst is that the surface Ni has been reoxidized to NiO. After calcination and reduction, the recovered Ni/γ-Al2O3 catalyst could be reused four times without a significant decrease in its catalytic performance.
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