Citation: Dong Sen MAO, Guan Zhong LU. The Effect of Platinum on Stability of the B₂O₃/TiO₂-ZrO₂ Catalyst for Beckmann Rearrangement of Cyclohexanone Oxime[J]. Chinese Chemical Letters, ;2006, 17(8): 1025-1028. shu

The Effect of Platinum on Stability of the B₂O₃/TiO₂-ZrO₂ Catalyst for Beckmann Rearrangement of Cyclohexanone Oxime

Research Institute Applied Catalysis, Department of Chemical Engineering, Shanghai Institute of Technology, Shanghai 200235

Received Date: 22 February 2006

Fund Project: This work was supported by Shanghai Leading Academic Discipline Project (P1501).

The addition of platinum over the B₂O₃/TiO₂-ZrO₂ remarkably enhanced its catalytic stability in the vapor phase Beckmann rearrangement of cyclohexanone oxime under the carrier gas of H₂. The content of coke deposited on catalyst surface was decreased from 1.92% over the B₂O₃/TiO₂-ZrO₂ to 1.14% over the platinum promoted B₂O₃/TiO₂-ZrO₂ after reaction of six hours. This result indicates that the platinum added on the B₂O₃/TiO₂-ZrO₂ catalyst plays an important role in reducing the coke formation on the catalyst surface.
- yclohexanone oxime,
- vapor-phase Beckmann rearrangement,
- ε-caprolactam,
- B₂O₃/TiO₂-ZrO₂ catalyst,
- platinum
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