Effect of the supernatant liquid recirculation on H2 and CH4 production in the two-phase anaerobic fermentation

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논문

Effect of the supernatant liquid recirculation on H2 and CH4 production in the two-phase anaerobic fermentation

학술지

Applied mechanics and materials

저자명

Wang, Yuan Yuan; Ai, Ping

초록

<P>A two-phase fermentation process that combined H2 and CH4 production with supernatant liquid recirculation to adjust the pH, was suggested in this study. It was found that with the suitable recirculation, the phase separation performance was improved in the hydrogen production reactor. The highest average H2 and CH4 yield were 2.02, 7.30 L / kg TS • d, respectively, when the RRs were 45 L/2d, 30 L/3d, respectively. The main degradation pathway of organic matter was propionic acid and butyric acid mixed fermentation types. The change of RR affected the fermentation pathway and gas production rate slightly.</P>

발행연도

2013

발행기관

Trans Tech Publications, Ltd.

ISSN

1660-9336

ISSN

1662-7482

권

291

페이지

pp.610-613