High Catalytic Activity and Stability of Hexaaluminate Catalysts for N2O Decomposition

Chao Zhang; Yong Ji Song; Feng Hua Shi; Cui Qing Li; Hong Wang

doi:10.4028/www.scientific.net/AMM.320.665

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 320High Catalytic Activity and Stability of...

High Catalytic Activity and Stability of Hexaaluminate Catalysts for N₂O Decomposition

Abstract:

In this paper, hexaaluminate oxides LaMAl₁₂O_19-σ were prepared by using M=Cu ,Ce and Zn as active components to substitute Al in the hexaaluminate lattice by co-precipitation method. The structure and properties of LaMAl₁₁O_19-σ catalyst was characterized with XRD and BET. The results showed LaCuAl₁₁O_19-σexhibited significant high catalytic activity for the decomposition reaction of N₂O. Under the simulated in situ condition, LaCuAl₁₁O_19-σ also indicated significant catalytic activity and stability, with N₂O conversion of 90% at 635°C.

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Applied Mechanics and Materials (Volume 320)

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665-669

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.320.665

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Online since:

May 2013

Authors:

Chao Zhang, Yong Ji Song, Feng Hua Shi, Cui Qing Li, Hong Wang

Keywords:

Catalyst, Catalytic Decomposition, Hexaaluminate Oxides, Nitrous Oxide

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