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An experimental study of syn-gas production via microwave plasma reforming of methane, iso-octane and gasoline

Tae-Soo Kim, Soonho Song, Kwang-Min Chun and Sang Hun Lee

Energy, 2010, vol. 35, issue 6, 2734-2743

Abstract: A newly developed microwave plasma system for fuel reforming was tested for three different hydrocarbon fuels. The microwave plasma system was powered by a low cost commercial magnetron and power supply. The microwave power was delivered to the nozzle from the magnetron via a coaxial cable, which offers tremendous flexibility for system design and applications. A non-premixed configuration was achieved by delivering a separate stream of fuel to the plasma plume, which is composed of diluted oxygen only. The feasibility of syn-gas production capability of the microwave plasma system was demonstrated and the reforming characteristics of methane, iso-octane and gasoline were compared. The effects of input power, injected fuel amount, total flow rate and O/C ratio were evaluated. The production rates of both hydrogen and carbon monoxide were proportional to the input power and the inverse of the total flow rate. As a result, the maximum efficiency of 3.12% was obtained with iso-octane for power consumption of 28.8W, O/C ratio of 1, and 0.1g/min of fuel supply. Liquid fuels produced more syn-gas and showed better efficiency than methane for the same input powers and O/C ratios.

Keywords: Fuel reforming; Microwave plasma; Hydrogen; Syn-gas; Methane; Iso-octane; Gasoline (search for similar items in EconPapers)
Date: 2010
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Handle: RePEc:eee:energy:v:35:y:2010:i:6:p:2734-2743