Buffering action of acetate on hydrogen production by ethanoligenens harbinense b49 Report as inadecuate




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Yuan-Ting Mi ; Nan-Qi Ren ;Electronic Journal of Biotechnology 2016, 23

Author: Ji-Fei Xu

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Electronic Journal of Biotechnology E-ISSN: 0717-3458 edbiotec@ucv.cl Pontificia Universidad Católica de Valparaíso Chile Xu, Ji-Fei; Mi, Yuan-Ting; Ren, Nan-Qi Buffering action of acetate on hydrogen production by Ethanoligenens harbinense B49 Electronic Journal of Biotechnology, vol.
23, septiembre, 2016, pp.
7-11 Pontificia Universidad Católica de Valparaíso Valparaíso, Chile Available in: http:--www.redalyc.org-articulo.oa?id=173347082002 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Electronic Journal of Biotechnology 23 (2016) 7–11 Contents lists available at ScienceDirect Electronic Journal of Biotechnology Research article Buffering action of acetate on hydrogen production by Ethanoligenens harbinense B49 Ji-Fei Xu a,⁎, Yuan-Ting Mi a, Nan-Qi Ren b,⁎ a b School of Environmental and Resources, Inner Mongolia University, Peoples Republic of China State Key Laboratory of Urban Water Resources and Environment, Harbin Institute of Technology, Peoples Republic of China a r t i c l e i n f o Article history: Received 15 January 2016 Accepted 13 July 2016 Available online 3 August 2016 Keywords: Acetate Biohydrogen Buffering action Ethanoligenens harbinense phosphate a b s t r a c t The buffering effect of acetate on hydrogen production during glucose fermentation by Ethanoligenens harbinense B49 was investigated compared to phosphate, a widely used fermentative hydrogen production buffer.
Specific concentrations of sodium acetate or phosphate were added to batch cultures, and the effects on hydrogen production were comparatively analyzed using a modified Gompertz model.
Adding 50 mM acetate or phosphate suppressed the hydrogen production peak and slightly extended the lag phase.
However, the overall hy...





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