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Citation: Yan Qian-Gu, Luo Chun-Rong, Weng Wei-Zheng, Yang Le-Fu, Wan Hui-Lin, Wu Ting-Hua. Activation of Methane over Ni/TiO₂ Catalyst[J]. Acta Physico-Chimica Sinica, ;2001, 17(08): 733-738. doi: 10.3866/PKU.WHXB20010813 shu

Activation of Methane over Ni/TiO₂ Catalyst

1.
State Key Laboratory for Physical Chemistry of Solid Surfaces,Department of Chemistry and Institute of Physical Chemistry,Xiamen University,Xiamen　361005;Institute of Physical Chemistry,Zhejiang Normal University,Jinhua　321004

Received Date: 16 October 2000
Available Online: 15 August 2001

The reactions of methane partial oxidation (POM) and methane reforming with CO2 to produce synthetic gas over Ni/TiO2 catalyst were studied.The catalyst shows od catalytic performance with high H2 selectivity for the POM reaction and od low temperature activity for the reaction of methane reforming with CO2.The activation of methane over Ni/TiO2 catalysts was investigated using MS-pulse technique in the absence of gaseous oxygen.It was found that methane activation and its oxidation products were determined by the concentration of surface oxygen species of the catalyst.Both oxygen and hydrogen spillover phenomena were observed during the interaction of methane with Ni/TiO2.The spillover oxygen and hydrogen species over the catalyst may be responsible for the od activity and carbon resistance ability of the Ni/TiO2 catalyst.
- Methane;Ni/TiO₂ catalyst;Activation;Surface oxygen concentration;Spillover
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Activation of Methane over Ni/TiO2 Catalyst

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Activation of Methane over Ni/TiO₂ Catalyst