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Citation: Wang Lianchi, Yuan Song ue, Bian Hong, Wu Yue. OXIDATIVE COUPLING OF METHANE OVER RARE EARTH MIXED OXIDE CATALYSTS[J]. Chinese Journal of Applied Chemistry, ;1990, 7(4): 75-77. shu

OXIDATIVE COUPLING OF METHANE OVER RARE EARTH MIXED OXIDE CATALYSTS

1.
Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 13 September 1989
Available Online: 10 November 1989
Fund Project:

Rare earth oxides have been used as catalysts for the oxidative coupling of methane,La₂O₃ and Sm₂O₃ showed higher C₂ selectivity. The mixture of La₂O₃ and alkaline earth oxide was found to be effective for oxidative coupling, among them binary oxide of La-Ba(1:1) gave the highest C₂ yield, up to 20%. It is suggested that there could be a combina-tion effect of this binary system due to the structural influences, such as the specific sur-face area. Based on the temperature dependence of the products distribution, a mechanism ofthe reaction was proposed.
- methane,
- oxidative coupling,
- catalyst,
- rare earth oxide
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