Research on catalytic performance of supported perovskite catalyst for NO oxidation and resistance to SO<sub>2</sub> poisoning

SUN Ying; HUANG Yan; ZHAO Wei; SU qian; ZHANG Jun-feng; YANG Liu-chun

Volume 42 Issue 10

Oct. 2014

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Article Navigation > Journal of Fuel Chemistry and Technology > 2014 > 42(10): 1246-1252

SUN Ying, HUANG Yan, ZHAO Wei, SU qian, ZHANG Jun-feng, YANG Liu-chun. Research on catalytic performance of supported perovskite catalyst for NO oxidation and resistance to SO2 poisoning[J]. Journal of Fuel Chemistry and Technology, 2014, 42(10): 1246-1252.

Citation:

SUN Ying, HUANG Yan, ZHAO Wei, SU qian, ZHANG Jun-feng, YANG Liu-chun. Research on catalytic performance of supported perovskite catalyst for NO oxidation and resistance to SO₂ poisoning[J]. Journal of Fuel Chemistry and Technology, 2014, 42(10): 1246-1252.

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Research on catalytic performance of supported perovskite catalyst for NO oxidation and resistance to SO₂ poisoning

Department of Environmental Science and Engineering, Xiangtan University, Xiangtan 411105, China

Received Date: 2014-04-08
Rev Recd Date: 2014-07-15
Publish Date: 2014-10-30

Abstract

Abstract

Supported perovskite-type catalysts La_1-xCe_xCoO₃/CeO₂ (x = 0~0.3) were synthesized through complexing impregnation with citric acid and characterized by X-ray diffraction (XRD), Fourier transformed infrared (FT-IR), nitrogen adsorption, H₂ temperature-programmed reduction (H₂-TPR), and O₂ temperature-programmed desorption (O₂-TPD). The performance of NO catalytic oxidation and SO₂ resistance were investigated in the article. The results showed that the catalytic activity of La_1-xCe_xCoO₃/CeO₂ was closely related to the surface area and redox properties. Especially La_0.8Ce_0.2CoO₃/CeO₂ achieved 78% NO conversion at 300 ℃.The introduction of CeO₂ as support simultaneously enhanced the low temperature activity and SO₂ resistance.
- supported perovskite-type,
- NO oxidation,
- La_1-xCe_xCoO₃/CeO₂,
- SO₂ resistance

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References(17)

References

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