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Citation: PAN Xiqiang, YANG Xiangguang. Effect of Different Zirconia Phase on Methane Combustion Activity and Stability over Pd/ZrO₂[J]. Chinese Journal of Applied Chemistry, ;2014, 31(2): 177-181. doi: 10.3724/SP.J.1095.2014.30150 shu

Effect of Different Zirconia Phase on Methane Combustion Activity and Stability over Pd/ZrO₂

PAN Xiqiang ^a,b ,
YANG Xiangguang ^a,,

1.
a Laboratory of Green Chemistry and Process, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2.
b University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: YANG Xiangguang,
Received Date: 25 March 2013
Available Online: 28 April 2013
Fund Project: 国家自然科学基金(21273221) (21273221)国家高技术研究发展计划(863计划,2011AA03A406) (863计划,2011AA03A406)

Pd/ZrO₂ attracts more attention for methane combustion at low temperature.ZrO₂ support plays an important role in stabilization of PdO.In this article,pure M-ZrO₂ and T-ZrO₂ were synthesized by solvothermal method,and then Pd/M-ZrO₂ and Pd/T-ZrO₂ were prepared by incipient wetness method in order to investigate the support structure effect on the methane combustion at low temperature.It has been demonstrated that the methane combustion activity and stability of Pd/M-ZrO₂ is much better than that of Pd/T-ZrO₂.Combined XRD,TEM,TPO with catalytic performance,it shows that the better activity and stability of Pd/M-ZrO₂ is related to the greater dispersion of PdO and the type of interaction between PdO and ZrO₂,respectively.
- Pd/ZrO₂,
- monoclinic ZrO₂,
- tetragonal ZrO₂,
- methane,
- methane combustion
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Effect of Different Zirconia Phase on Methane Combustion Activity and Stability over Pd/ZrO2

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Effect of Different Zirconia Phase on Methane Combustion Activity and Stability over Pd/ZrO₂