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Journal article
Plasma catalytic reforming of methane
International journal of hydrogen energy, v 24(12), pp 1131-1137
01 Dec 1999
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Thermal plasma technology can be efficiently used in the production of hydrogen and hydrogen-rich gases from methane and a variety of fuels. This article describes progress in plasma reforming experiments and calculations of high temperature conversion of methane using heterogeneous processes. The thermal plasma is a highly energetic state of matter that is characterized by extremely high temperatures (several thousand degrees Celsius), and a high degree of dissociation and a substantial degree of ionization. The high temperatures accelerate the reactions involved in the reforming process. Hydrogen-rich gas (40% H
2, 17% CO
2 and 33% N
2, for partial oxidation/water shifting) can be efficiently made in compact plasma reformers. Experiments have been carried out in a small device (2–3 kW) and without the use of efficient heat regeneration. For partial oxidation/water shifting, it was determined that the specific energy consumption in the plasma reforming processes is 16 MJ/kg H
2 with high conversion efficiencies. Larger plasmatrons, better reactor thermal insulation, efficient heat regeneration and improved plasma catalysis could also play a major role in specific energy consumption reduction and increasing the methane conversion. A system has been demonstrated for hydrogen production with low CO content (∼1.5%) with power densities of ∼30 kW (H
2 HHV)/l of reactor, or ∼10 m
3/h H
2 per liter of reactor. Power density should further increase with increased power and improved design.
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Details
- Title
- Plasma catalytic reforming of methane
- Creators
- L Bromberg - Plasma Technology (United States)D.R Cohn - Plasma Technology (United States)A Rabinovich - Plasma Technology (United States)N Alexeev - Baikov Institute of Metallurgy and Materials Science
- Publication Details
- International journal of hydrogen energy, v 24(12), pp 1131-1137
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- C. and J. Nyheim Plasma Institute
- Web of Science ID
- WOS:000083854100002
- Scopus ID
- 2-s2.0-0033344141
- Other Identifier
- 991021862391604721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Physical
- Electrochemistry
- Energy & Fuels