Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hydrogen Production by Anaerobic Microbial Communities Exposed to Repeated Heat Treatments
Biological hydrogen production by anaerobic mixed communities was studied in laboratory‐scale bioreactors using sucrose as the substrate. A bioreactor in which a fraction of the return sludge was exposed to repeated heat treatments performed better than a control bioreactor without repeated heat treatment of return sludge and produced a yield of 2.15 moles of hydrogen per mole of sucrose, with 50% hydrogen in the biogas. Terminal restriction fragment length polymorphism analysis showed that two different Clostridium groups (comprised of one or more species) were dominant during hydrogen production. The relative abundance of two other non‐Clostridium groups increased during periods of decreased hydrogen production. The first group consisted of Bifidobacterium thermophilum, and the second group included one or more of Bacillus, Melissococcus, Spirochaeta, and Spiroplasma spp.
Hydrogen Production by Anaerobic Microbial Communities Exposed to Repeated Heat Treatments
Biological hydrogen production by anaerobic mixed communities was studied in laboratory‐scale bioreactors using sucrose as the substrate. A bioreactor in which a fraction of the return sludge was exposed to repeated heat treatments performed better than a control bioreactor without repeated heat treatment of return sludge and produced a yield of 2.15 moles of hydrogen per mole of sucrose, with 50% hydrogen in the biogas. Terminal restriction fragment length polymorphism analysis showed that two different Clostridium groups (comprised of one or more species) were dominant during hydrogen production. The relative abundance of two other non‐Clostridium groups increased during periods of decreased hydrogen production. The first group consisted of Bifidobacterium thermophilum, and the second group included one or more of Bacillus, Melissococcus, Spirochaeta, and Spiroplasma spp.
Hydrogen Production by Anaerobic Microbial Communities Exposed to Repeated Heat Treatments
Duangmanee, T. (Autor:in) / Padmasiri, S. I. (Autor:in) / Simmons, J. J. (Autor:in) / Raskin, L. (Autor:in) / Sung, S. (Autor:in)
Water Environment Research ; 79 ; 975-983
01.09.2007
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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