Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Fermentative hydrogen production by newly isolated Clostridium perfringens ATCC 13124
A new and efficient hydrogen-producing strain, Clostridium perfringens ATCC 13124, was isolated from activated sewage sludge, and this enriched strain was employed to produce hydrogen by fermentation from glucose-based medium. Bio-hydrogen (bio-H2) production by Clostridium perfringens ATCC 13124 was examined using the batch cultivation mode in culture medium containing glucose or agricultural waste. Various carbon and inorganic nitrogen sources could be utilized to produce hydrogen, which indicates that it has the potential of converting renewable wastes into hydrogen. A series of experiments were designed to discuss the effects of different initial pH, operational pH, and inorganic nitrogen and carbon sources on bio-H2 production by the isolated strain. Furthermore, culture processes were investigated by controlling pH with 1 mol·L−1 of sodium hydroxide or aqua ammonia in the fermentative process of the initial pH 7.0. It was obvious that controlling process of the pH 4.7–5.0 was the most suitable for H2 production from glucose fermentation. The maximum cumulative hydrogen yield of 1094.3 ml·L−1-solution and 490.6 ml·g−1-Glu were observed at 5 and 1.0 g-Glu·L−1, respectively (with controlling pH by aqua ammonia).
Fermentative hydrogen production by newly isolated Clostridium perfringens ATCC 13124
A new and efficient hydrogen-producing strain, Clostridium perfringens ATCC 13124, was isolated from activated sewage sludge, and this enriched strain was employed to produce hydrogen by fermentation from glucose-based medium. Bio-hydrogen (bio-H2) production by Clostridium perfringens ATCC 13124 was examined using the batch cultivation mode in culture medium containing glucose or agricultural waste. Various carbon and inorganic nitrogen sources could be utilized to produce hydrogen, which indicates that it has the potential of converting renewable wastes into hydrogen. A series of experiments were designed to discuss the effects of different initial pH, operational pH, and inorganic nitrogen and carbon sources on bio-H2 production by the isolated strain. Furthermore, culture processes were investigated by controlling pH with 1 mol·L−1 of sodium hydroxide or aqua ammonia in the fermentative process of the initial pH 7.0. It was obvious that controlling process of the pH 4.7–5.0 was the most suitable for H2 production from glucose fermentation. The maximum cumulative hydrogen yield of 1094.3 ml·L−1-solution and 490.6 ml·g−1-Glu were observed at 5 and 1.0 g-Glu·L−1, respectively (with controlling pH by aqua ammonia).
Fermentative hydrogen production by newly isolated Clostridium perfringens ATCC 13124
Wang, Hui (Autor:in) / Ma, Shenghua (Autor:in) / Bu, Huaiyu (Autor:in)
01.01.2014
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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