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- Title
Biomethanation of Carbon Monoxide by Hyperthermophilic Artificial Archaeal Co-Cultures.
- Authors
Zipperle, Aaron; Reischl, Barbara; Schmider, Tilman; Stadlbauer, Michael; Kushkevych, Ivan; Pruckner, Christian; Vítězová, Monika; Rittmann, Simon K.-M. R.
- Abstract
Climate neutral and sustainable energy sources will play a key role in future energy production. Biomethanation by gas to gas conversion of flue gases is one option with regard to renewable energy production. Here, we performed the conversion of synthetic carbon monoxide (CO)-containing flue gases to methane (CH4) by artificial hyperthermophilic archaeal co-cultures, consisting of Thermococcus onnurineus and Methanocaldococcus jannaschii, Methanocaldococcus vulcanius, or Methanocaldococcus villosus. Experiments using both chemically defined and complex media were performed in closed batch setups. Up to 10 mol% CH4 was produced by converting pure CO or synthetic CO-containing industrial waste gases at a high rate using a co-culture of T. onnurineus and M. villosus. These findings are a proof of principle and advance the fields of Archaea Biotechnology, artificial microbial ecosystem design and engineering, industrial waste-gas recycling, and biomethanation.
- Subjects
CARBON monoxide; METHANATION; RENEWABLE energy sources; INDUSTRIAL gases; INDUSTRIAL wastes; WASTE gases; FLUE gases
- Publication
Fermentation (Basel), 2021, Vol 7, Issue 4, p1
- ISSN
2311-5637
- Publication type
Article
- DOI
10.3390/fermentation7040276