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Biomethane: The energy storage, platform chemical and greenhouse gas mitigation target
- Bagi, Zoltán, Ács, Norbert, Böjti, Tamás, Kakuk, Balázs, Rákhely, Gábor, Strang, Orsolya, Szuhaj, Márk, Wirth, Roland, Kovács, Kornél L.
- Anaerobe 2017 v.46 pp. 13-22
- biogas, carbon dioxide, energy, greenhouse gases, methane, methane production, methanotrophs, polyhydroxyalkanoates, polysaccharides, proteins, ruminants
- Results in three areas of anaerobic microbiology in which methane formation and utilization plays central part are reviewed. a.) Bio-methane formation by reduction of carbon dioxide in the power-to-gas process and the various possibilities of improvement of the process is a very intensively studied topic recently. From the numerous potential methods of exploiting methane of biological origin two aspects are discussed in detail. b.) Methane can serve as a platform chemical in various chemical and biochemical synthetic processes. Particular emphasis is put on the biochemical conversion pathways involving methanotrophs and their methane monooxygenase-catalyzed reactions leading to various small molecules and polymeric materials such as extracellular polysaccharides, polyhydroxyalkanoates and proteins. c.) The third area covered concerns methane-consuming reactions and methane emission mitigation. These investigations comprise the anaerobic microbiology of ruminants and approaches to diminishing methane emissions from ruminant animals.