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Citation: Chen Tong, Li Wen-Zhao, Yu Chun-Ying. Investigation of the Interaction between NiO and Support,γ-Al₂O₃,for Oxidative Dehydrogenation of Ethane[J]. Acta Physico-Chimica Sinica, ;1999, 15(07): 613-618. doi: 10.3866/PKU.WHXB19990707 shu

Investigation of the Interaction between NiO and Support,γ-Al₂O₃,for Oxidative Dehydrogenation of Ethane

1.
Dalian Institute of Chemical Physics,Chinese Academy of Sciences,Dalian 116023

Received Date: 30 September 1998
Available Online: 15 July 1999

The catalytic behavior of alumina-supported NiO catalysts for oxidative dehydrogenation of ethane (ODHE) has been investigated in the temperature range of 400 500℃ A much better improvement of selectivity towards ethylene can be observed, i e. the selectivity of 82%~92% for ethylene can be maintained. The optimum yield of ethylene of 25.3% is obtained over 17% NiO/γ-Al2O3 at 500℃. It is suggested that the NiO of non MSSI(Metal-support strong interaction)is the active phase and the nonstoichiometric oxygen in NiO lattice is the active oxygen species for ODHE. Comparing the O2-TPD spectra of NiO with NiO/γ-Al2O3, the high selectivity for ethylene over the alumina-supported NiO catalysts can be explained.
- NiO/γ-Al2O3,
- Ethane,
- Oxidative dehydrogenation,
- Metal-support interaction
  ,
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沈阳化工大学材料科学与工程学院沈阳 110142

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Investigation of the Interaction between NiO and Support,γ-Al2O3,for Oxidative Dehydrogenation of Ethane

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通讯作者: 陈斌, bchen63@163.com

Investigation of the Interaction between NiO and Support,γ-Al₂O₃,for Oxidative Dehydrogenation of Ethane