Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Catalytic Oxidative Coupling of Methane Assisted by Electric Power over a Semiconductor Catalyst
Keisuke TanakaYasushi SekineKazumasa OshimaYoshitaka TanakaMasahiko MatsukataEiichi Kikuchi
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2012 Volume 41 Issue 4 Pages 351-353

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Abstract

Oxidative coupling of methane (OCM) on La2O3 semiconductor catalysts at 423 K external temperature was investigated. DC power supplied from two electrodes in a catalyst bed enabled stable and selective production of C2H6 and C2H4 over Sr–La2O3 (Sr/La = 1/200 and 1/20), but plasma reactions proceeded over other catalysts. The electrical conductivity of the semiconductor catalyst was important for controlling this reaction. A high yield of C2 (49% selectivity, 51.3% O2 conversion) was obtained using 2.7 W of electricity at a lower external temperature (423 K).

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© 2012 The Chemical Society of Japan
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