Catalytic Oxidative Coupling of Methane Assisted by Electric Power over a Semiconductor Catalyst

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Abstract

Oxidative coupling of methane (OCM) on La<sub>2</sub>O<sub>3</sub> 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 C<sub>2</sub>H<sub>6</sub> and C<sub>2</sub>H<sub>4</sub> over Sr–La<sub>2</sub>O<sub>3</sub> (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% O<sub>2</sub> conversion) was obtained using 2.7 W of electricity at a lower external temperature (423 K).

Journal

  • Chemistry Letters

    Chemistry Letters 41(4), 351-353, 2012-04-05

    The Chemical Society of Japan

References:  23

Codes

  • NII Article ID (NAID)
    10030544281
  • NII NACSIS-CAT ID (NCID)
    AA00603318
  • Text Lang
    ENG
  • Article Type
    SHO
  • ISSN
    03667022
  • Data Source
    CJP  J-STAGE 
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