Abstract

The activity and stability of polymetallic catalysts during the regeneration cycle were investigated in a fixed bed reactor on a laboratory scale, and the catalysts were characterized by various characterization methods. The results show that the activity and stability of the recycled catalyst are higher than that of the regenerated catalyst, which is related to the structural changes of the regenerated catalyst by XRD and Raman characterization. The Fe-Ni-Ca/Al2O3 catalyst shows good performance in recycling, which provides a theoretical basis for the application of the catalyst in industry.

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