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Integration of Power-To-Methane into Glass Melting Processes

  • The glass industry is facing increased challenges regarding climate protection targets and rising energy costs. The integration of renewable energy including conversion and storage is a key for both challenges in this energy-intensive industrial sector, which has been mainly relying on fossil gas so far. The options considered to this point for reducing CO2 emissions and switching to a renewable energy supply involve far-reaching changes of the established melting processes. This entails significant risks in terms of influences on glass quality and stable production volumes. The presented approach for the integration of a Power-to-Methane (PtM) system into the glass industry is a completely new concept and has not been considered in detail before. It allows the use of established oxyfuel melting processes, the integration of fluctuating renewable energy sources and a simultaneous reduction of CO2 emissions by more than 78%. At the same time, natural gas purchases become obsolete. A techno-economic evaluation of the complete PtM process shows, that 1,76 €/m3 or 1,26 €/kg synthetic natural gas are possible with renewable energy supply. Using electricity from the energy grid would require electricity prices < 0,126 €/kWh to allow cost competitive PtM processes in the glass industry. Such electricity prices could be achieved by electricity market-based optimization and operation of the PtM system. This operation strategy would require AI-based algorithms predicting availabilities and prices on future-based markets.

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Metadaten
Author:Sebastian GärtnerORCiD, Daniel Rank, Michael HeberlORCiD, Matthias GadererORCiD, Michael SternerORCiDGND
DOI:https://doi.org/10.2991/978-94-6463-156-2_12
ISSN:2589-4943
Parent Title (English):Proceedings of the International Renewable Energy Storage Conference (IRES 2022)
Publisher:Atlantis Press
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2023
Release Date:2023/07/05
Tag:Decarbonisation; Glass Industry; Glass Melting; Methanation; Power-to-Gas
Volume:16
First Page:147
Last Page:161
Andere Schriftenreihe:Atlantis Highlights in Engineering
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Forschungsstelle für Energienetze und Energiespeicher (FENES) / Forschungsgruppe Energiespeicher
Begutachtungsstatus:peer-reviewed
OpenAccess Publikationsweg:Gold Open Access- Erstveröffentlichung in einem/als Open-Access-Medium
research focus:Energie und Mobilität
Licence (German):Creative Commons - CC BY-NC - Namensnennung - Nicht kommerziell 4.0 International