Hydrogen fermentation properties of undiluted cow dung |
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| Authors: | Yokoyama Hiroshi Waki Miyoko Ogino Akifumi Ohmori Hideyuki Tanaka Yasuo |
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| Affiliation: | Waste Recycling Research Team, National Institute of Livestock and Grassland Science (NILGS), 2 Ikenodai, Tsukuba, Ibaraki, Japan. hiroshiy@affrc.go.jp |
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| Abstract: | Anaerobic treatment of undiluted cow dung (15% total solids), so-called dry fermentation, produced hydrogen (743 ml-H(2)/kg-cow dung) at an optimum temperature of 60 degrees C, with butyrate and acetate formation. The hydrogen production was inhibited by the addition of NH(4)(+) in a dose-dependent manner. A bacterium with similarity to Clostridium cellulosi was detected in the fermented dung by a 16S rDNA analysis. |
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