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- Title
Variation in the Distribution of Hydrogen Producers from the Clostridiales Order in Biogas Reactors Depending on Different Input Substrates.
- Authors
Černý, Martin; Vítězová, Monika; Vítěz, Tomáš; Bartoš, Milan; Kushkevych, Ivan
- Abstract
With growing demand for clean and cheap energy resources, biogas production is emerging as an ideal solution, as it provides relatively cheap and clean energy, while also tackling the problematic production of excessive organic waste from crops and animal agriculture. Behind this process stands a variety of anaerobic microorganisms, which turn organic substrates into valuable biogas. The biogas itself is a mixture of gases, produced mostly as metabolic byproducts of the microorganisms, such as methane, hydrogen, or carbon dioxide. Hydrogen itself figures as a potent bio-fuel, however in many bioreactors it serves as the main substrate of methanogenesis, thus potentially limiting biogas yield. With help of modern sequencing techniques, we tried to evaluate the composition in eight bioreactors using different input materials, showing shifts in the microbial consortia depending on the substrate itself. In this paper, we provide insight on the occurrence of potentially harmful microorganisms such as Clostridium novyi and Clostridium septicum, as well as key genera in hydrogen production, such as Clostridiumstercorarium, Mobilitalea sp., Herbinix sp., Herbivorax sp., and Acetivibrio sp.
- Subjects
BIOGAS; BIOGAS production; FERMENTATION; BIOREACTORS; BIOMASS chemicals
- Publication
Energies (19961073), 2018, Vol 11, Issue 12, p3270
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en11123270