期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 41, 期 48, 页码 22769-22774出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.08.187
关键词
Dielectric barrier discharge; Argon; Water vapor; Hydrogen; Free radical reactions; Gas chromatograph
资金
- Department of Atomic Energy, India
- Bhabha Atomic Research Centre, India
- [XII-N-RD-02.1]
Efficient transformation of water vapor into hydrogen in dielectric barrier discharge in argon medium is reported. Hydrogen in the product gas mixture was identified and estimated by on-line gas chromatography - thermal conductivity detection, with appropriate support of standard hydrogen samples. Experimental parameters varied included reacting gas composition (with respect to water vapor concentrations), its resident time within the plasma zone, nature of surfaces (Pyrex and stainless steel), discharge gas-gap between two surfaces, and in-discharge power consumption. The optimum conditions at applied voltage 7.3 kV @ 50 Hz were: 10,400 ppm water vapor concentration, 12 s gas residence time, in a single pyrex dielectric barrier reactor with 2 mm gas-gap and 13.5 mL gas volume capacity, yielding the maximum hydrogen concentration of 1500 ppm. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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