Abstract
AbstractPlasma‐catalytic methane conversion was studied under gliding‐discharge conditions using a mobile (spouted) catalytic bed of fine particles. A new model of the GD reactor was tested for the non‐oxidative methane coupling using alumina‐supported catalysts containing Cu, Ni, Ag or Pt resistant against the plasma action. C2 hydrocarbons, besides hydrogen, were the main products, with some amounts of non‐volatile substances (mainly soot). With Cu/Al2O3, Ni/Al2O3, Ag/Al2O3, and alumina beds, acetylene was mainly produced from the CH4 + H2 mixture with none or a minor share of other C2 hydrocarbons. Using Pt/Al2O3, an increased ethylene and ethane content was found with lower acetylene content. magnified image
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