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Energies, Vol. 11, Pages 1679: Development of Honeycomb Methanation Catalyst and Its Application in Power to Gas Systems

Energies, Vol. 11, Pages 1679: Development of Honeycomb Methanation Catalyst and Its Application in Power to Gas Systems

Energies doi: 10.3390/en11071679

Authors: Philipp Biegger Florian Kirchbacher Ana Roza Medved Martin Miltner Markus Lehner Michael Harasek

Fluctuating energy sources require enhanced energy storage demand, in order to ensure safe energy supply. Power to gas offers a promising pathway for energy storage in existing natural gas infrastructure, if valid regulations are met. To improve interaction between energy supply and storage, a flexible power to gas process is necessary. An innovative multibed methanation concept, based on ceramic honeycomb catalysts combined with polyimide membrane gas upgrading, is presented in this study. Cordierite monoliths are coated with γ-Al2O3 and catalytically active nickel, and used in a two-stage methanation process at different operation conditions (p = 6–14 bar, GHSV = 3000–6000 h−1). To fulfill the requirements of the Austrian natural gas network, the product gas must achieve a CH4 content of ≥96 vol %. Hence, CH4 rich gas from methanation is fed to the subsequent gas upgrading unit, to separate remaining H2 and CO2. In the present study, two different membrane modules were investigated. The results of methanation and gas separation clearly indicate the high potential of the presented process. At preferred operation conditions, target concentration of 96 vol % CH4 can be achieved.

Authors:   Biegger, Philipp ; Kirchbacher, Florian ; Medved, Ana Roza; Miltner, Martin ; Lehner, Markus ; Harasek, Michael
Journal:   Energies
Volume:   11
edition:   7
Year:   2018
Pages:   1679
DOI:   10.3390/en11071679
Publication date:   27-Jun-2018
Facts, background information, dossiers
  • gas
  • natural gas
  • energy storage
  • storage
  • Safe
  • regulations
  • nickel
  • gas separation
  • Energy
  • concentration
  • catalysts
  • ANA
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