Acta Phys. -Chim. Sin. ›› 2005, Vol. 21 ›› Issue (11): 1291-1294.doi: 10.3866/PKU.WHXB20051119

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Methane Coupling in Atmospheric Pressure Glow Discharge Plasma with a Rotary Helix Electrode

WANG Da-wang; MA Teng-cai; CUI Jin-hua   

  1. State Key Laboratory for Materials Modification by Laser, Ion and Electron Beams, Dalian University of Technology, Dalian 116023; Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116021
  • Received:2005-04-07 Revised:2005-05-09 Published:2005-11-15
  • Contact: MA Teng-cai E-mail:mmlab@dlut.edu.cn

Abstract: Methane coupling to produce C2 hydrocarbons was studied with a newly developed rotary helix electrode in glow discharge plasma at atmospheric pressure. Effects of peak electric voltage and feed flow rates of methane and hydrogen on CH4 conversion, C2 yield, and the selectivity were investigated using copper or stainless steel electrode. 69.85% of C2 single process yield, 70.46% of CH4 conversion, and 99.14% of C2 selectivity were obtained at optimized conditions.

Key words: Glow discharge plasma, Rotary helix electrode, Methane, C2 hydrocarbons