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Methanation for Power-to-Gas applications

Methanation for Power-to-Gas applications

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Methane can be produced via CO and CO2 methanation. However, the CO2 methanation is more relevant in the context of Power-to-Gas (PtG) applications. The two methanation reactions are accompanied by further reactions such as the reverse water gas shift reaction and the Boudouard reaction. Looking at the overall stoichiometry the CO2 methanation can be seen as the combination of the CO methanation with the reverse water-gas shift. The Boudouard reaction producing unwanted carbon deposits on methanation catalysts is a big challenge especially for the CO methanation but of minor importance for the CO2 methanation and therefore PtG applications.

Chapter Contents:

  • 3.1 Methanation for Power-to-Gas applications
  • 3.2 Current research activities
  • 3.3 Development of electrolysis and methanation technologies for PtG
  • 3.3.1 Development of electrolysis technologies
  • 3.3.1.1 Alkaline electrolysis
  • 3.3.1.2 Polymer electrolyte membrane electrolysis
  • 3.3.1.3 Solid oxide electrolysis
  • 3.3.2 Development of catalytic methanation technologies
  • 3.3.2.1 Dynamic operation
  • 3.3.2.2 Pilot and demonstration facilities
  • 3.4 Commercialisation, regulator and commercial outlook in Germany
  • 3.4.1 Commercialisation in Germany
  • 3.4.2 Regulation in Germany
  • 3.4.3 Commercial outlook in Germany
  • 3.5 Symbols and abbreviations
  • References

Inspec keywords: carbon compounds; stoichiometry; water gas shift; chemical reactions; catalysts

Other keywords: methanation catalysts; carbon deposits; carbon dioxide methanation; stoichiometry; methanation reactions; carbon monoxide methanation; power-to-gas applications; reverse water gas shift reaction; Boudouard reaction; PtG applications

Subjects: Engineering materials; Industrial processes; Fuel processing industry

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