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Citation: Jiang Xiaoyuan, Zhou Renxian, Mao Jianxin, Zheng Xiaoming. Cocatalytic Role of CeO₂ in Combination with Pd/γ-Al₂O₃ Catalyst[J]. Chinese Journal of Applied Chemistry, ;1999, 16(1): 26-29. shu

Cocatalytic Role of CeO₂ in Combination with Pd/γ-Al₂O₃ Catalyst

1.
Institute of Catalysis, Hangzhou University, Hangzhou 310028

Received Date: 23 April 1998
Available Online: 14 July 1998
Fund Project:

The TPR, SEM, TPD-MS techniques and CO oxidation activity measurement have been used to study CeO₂-Pd/γ-Al₂O₃ catalyst under oxygen-enriched and oxygen-deficient conditions. Results showed that interaction between CeO₂ and Pd caused the peak of the CeO₂-Pd/γ-Al₂O₃ catalyst in TPR curve to shift to lower temperature, promoted surface oxygen desorption of Pd/γ-Al₂O₃, favored the Pd distribution, improving the oxidation activity of the catalyst.
- CeO₂,
- catalytic activity,
- Pd/γ-Al₂O₃,
- CO oxidation
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Cocatalytic Role of CeO₂ in Combination with Pd/γ-Al₂O₃ Catalyst