CATALYTIC OXIDATION OF CH4 AND CO OVER LaMn1-yFeyO3 CATALYSTS

Chinese Journal of Applied Chemistry ›› 1991, Vol. 0 ›› Issue (2): 65-68.

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CATALYTIC OXIDATION OF CH₄ AND CO OVER LaMn_1-yFe_yO₃ CATALYSTS

Cui Haoxing¹, Jin Meishan¹, Li Jingming¹, Peng Meichun², Zhang Hua²

1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022;
2. Automobile Institute, Jilin University of Technology, Changchun

Received:1989-11-21 Revised:1990-07-16 Published:1991-04-10 Online:1991-04-10

Abstract

Abstract: The effects of B-site elements in LaMn_1-yFe_yO₃ catalysts on the oxidation of CO and CH₄ have been studied using temperature programmed desorption spectra measurements.Theactivity of the catalyst was related with both position and areas of oxygen desorption peakson the TPD curves.The active sites for CO and CH₄ oxidation are not identical for thesame catalyst.CO was oxidized completely at 130℃ and CH₄ at 300～500℃ over a ABO₃-type catalyst of γ-Al₂O₃-supperted manganese system containing some additive oxides

Key words: lanthanide, manganese, multi oxide, catalytic activity, oxidation, carbon monoxide, methane

Cui Haoxing, Jin Meishan, Li Jingming, Peng Meichun, Zhang Hua. CATALYTIC OXIDATION OF CH₄ AND CO OVER LaMn_1-yFe_yO₃ CATALYSTS[J]. Chinese Journal of Applied Chemistry, 1991, 0(2): 65-68.

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CATALYTIC OXIDATION OF CH₄ AND CO OVER LaMn_1-yFe_yO₃ CATALYSTS

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