Studies on Coupling of Methane under Pulse Corona Plasma(Ⅲ)——Heterogeneous Catalysis of Metal Oxides

Chem. J. Chinese Universities ›› 2000, Vol. 21 ›› Issue (1): 120.

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Studies on Coupling of Methane under Pulse Corona Plasma(Ⅲ)——Heterogeneous Catalysis of Metal Oxides

ZHU Ai-Min¹, ZHANG Xiu-Ling², GONG Wei-Min², ZHANG Bao-An²

1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China;
2. Laboratory of Comprehensive Utilizationf or Carbonaceous Resources, Dalian Universityof Technology, Dalian 116012, China

Received:1999-03-16 Online:2000-01-24 Published:2000-01-24

Abstract

Abstract: Under pulse corona plasma, heterogeneous catalysis of metal oxides upon the dehydrogenative coupling of methane was examined. In the presence of pulse corona plasma, the tested materials show various catalytic activities and adjust distribution of C₂ products to a certain extent. Comparing the results with a blank γ-Al₂O₃ carrier, the C₂ yield of a loaded γ-Mn₂O₃/γ-Al₂O₃ catalyst under plasma is nearly three times as large as the former and the C₂ selectivity increases over 30 percent. Combined pulse corona plasma with it, the energy efficiency increases by a factor of 3 at least. Finally, a tentative model for the dehydrogenative coupling of methane under plasma over the catalyst is proposed.

Key words: Dehydrogenative coupling of methane, Pulse corona plasma, Catalysis, Metal oxides

CLC Number:

O643.1

TrendMD:

ZHU Ai-Min, ZHANG Xiu-Ling, GONG Wei-Min, ZHANG Bao-An. Studies on Coupling of Methane under Pulse Corona Plasma(Ⅲ)——Heterogeneous Catalysis of Metal Oxides[J]. Chem. J. Chinese Universities, 2000, 21(1): 120.

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Studies on Coupling of Methane under Pulse Corona Plasma(Ⅲ)——Heterogeneous Catalysis of Metal Oxides

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