PRODUCTION OF HYDROGEN FROM METHANE AND METHANE/TEAM IN A MICROWAVE IRRADIATED CHAR-LOADED REACTOR

PRODUCTION OF HYDROGEN FROM METHANE AND METHANE/TEAM IN A MICROWAVE IRRADIATED CHAR-LOADED REACTOR

The production of hydrogen by the decomposition of pure methane and methane/steam mixtures in a microwave -irradiated fixed bed reactor packed with devolatilized coal char was studied. Input power levels from 600-3500 W were used. Low conversions were obtained for pure methane as the feed, but 1:1 m...

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Veröffentlicht in:Fuel science & technology international 1996-09, Vol.14 (8), p.1111-1141
Hauptverfasser: Cooney, David O., Xi, Zhenpeng
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Xi, Zhenpeng
description The production of hydrogen by the decomposition of pure methane and methane/steam mixtures in a microwave -irradiated fixed bed reactor packed with devolatilized coal char was studied. Input power levels from 600-3500 W were used. Low conversions were obtained for pure methane as the feed, but 1:1 molar ratio mixtures of methane and steam gave high conversions. The effects of power level and feed flow rate were determined for the methane/steam case. Additionally, microwave heating and conventional heating were compared for the methane/steam case. Microwave heating was found to require temperatures 3050 °C lower to give the same methane conversions obtained with conventional heating, over a conversion range of 18-53%. Thus, it may be concluded that microwave heating promotes the methane/steam reaction in some type of unique manner.
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title PRODUCTION OF HYDROGEN FROM METHANE AND METHANE/TEAM IN A MICROWAVE IRRADIATED CHAR-LOADED REACTOR
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