Abstract
The thermal decomposition of propane has been studied in an argon-hydrogen microwave plasma jet at 470W and 1atm. Propane was fed perpendicular to a plasma jet axis at 12mm from a nozzle of plasma torch gun. The local products distribution in the plasma jet was studied using a probe. Main products were acetylene, carbon, ethylene, methane and hydrogen. Besides a little amount of propylene was also formed. It has been found that estimated propane concentration reached maximum at 10mm section on central axis of the reactor, and then diffused to mix perfectly with the plasma jet at 30-40mm Section.Furthermore, in 0mm section, propane scarcely reached beyond radius of 5mm perpendicular to the axis connecting both propane inlets. On central axis of plasma jet, the conversion of propane was high at 0mm section, but decreased with the increase of axial distance. Downstream from 20mm section, the profile of the conversion showed a tendency similar to that of the other measured position.
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