Introducing capnophilic lactic fermentation in a combined dark-photo fermentation process: a route to unparalleled H2 yields (Articolo in rivista)

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  • Introducing capnophilic lactic fermentation in a combined dark-photo fermentation process: a route to unparalleled H2 yields (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s00253-014-6231-4 (literal)
Alternative label
  • Dipasquale L.; Adessi A.; D'Ippolito G.; Rossi F.; Fontana A.; De Philippis R. (2014)
    Introducing capnophilic lactic fermentation in a combined dark-photo fermentation process: a route to unparalleled H2 yields
    in Applied microbiology and biotechnology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Dipasquale L.; Adessi A.; D'Ippolito G.; Rossi F.; Fontana A.; De Philippis R. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84914159937&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 3 Dec (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Institute of Biomolecular Chemistry (ICB), CNR, Via Campi Flegrei 34, Pozzuoli, Napoli, 80078, Italy; Department of Agrifood Production and Environmental Sciences, University of Florence, Piazzale delle Cascine 24, Florence, 50144, Italy; Institute of Chemistry of Organometallic Compounds (ICCOM), CNR, via Madonna del Piano 10, Sesto Fiorentino, Florence, 50019, Italy (literal)
Titolo
  • Introducing capnophilic lactic fermentation in a combined dark-photo fermentation process: a route to unparalleled H2 yields (literal)
Abstract
  • Two-stage process based on photofermentation of dark fermentation effluents is widely recognized as the most effective method for biological production of hydrogen from organic substrates. Recently, it was described an alternative mechanism, named capnophilic lactic fermentation, for sugar fermentation by the hyperthermophilic bacteriumThermotoga neapolitana in CO2-rich atmosphere. Here, we report the first application of this novel process to two-stage biological production of hydrogen. The microbial system based on T. neapolitana DSM4359T and Rhodopseudomonas palustris 42OL gave 9.4 mol of hydrogen per mole of glucose consumed during the anaerobic process, which is the best production yield so far reported for conventional two-stage batch cultivations. The improvement of hydrogen yield correlates with the increase in lactic production during capnophilic lactic fermentation and takes also advantage of the introduction of original conditions for culturing both microorganisms in minimal media based on diluted sea water. The use of CO2 during the first step of the combined process establishes a novel strategy for biohydrogen technology. Moreover, this studyopens the way to cost reduction and use of salt-rich waste as feedstock (literal)
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