Isolation of hydrogen-producing bacteria suitable for immobilization from anaerobic sludge

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논문

Isolation of hydrogen-producing bacteria suitable for immobilization from anaerobic sludge

학술지

Advanced materials research : AMR

저자명

Nomura, Toshiyuki; Asano, Hideaki; Takayama, Toshiyuki; Naimen, Azusa; Tokumoto, Hayato; Konishi, Yasuhiro

초록

<P>Highly efficient hydrogen-producing anaerobic microflora was enriched from anaerobic sludge obtained from a methane fermentation plant, with soluble starch as substrate. The effect of culture medium pH on hydrogen production capacity and microbial community was investigated using a batch reactor equipped with a pH controller. The optimal pH was 5.0, the hydrogen yield was 2.59 mol/mol-glucose, and the maximum hydrogen production rate was 123 mL/L-culture/h. Partial 16S rDNA sequencing placed the isolated strain within the<I>Clostridiaceae</I>family. When the isolated strain adhered to polymer resin, the change in free energy of interaction was negative, indicating that the bacteria-resin interaction is thermodynamically favorable, and that the strain will readily immobilize on the resin.</P>

발행연도

2013

발행기관

Trans Tech Publications, Ltd.

ISSN

1022-6680

ISSN

1662-8985

권

772

페이지

pp.849-854