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Int. J. Mol. Sci. 2015, 16(6), 12578-12600; doi:10.3390/ijms160612578

Hydrogen Production by the Thermophilic Bacterium Thermotoga neapolitana

1
Department of Civil and Mechanical Engineering, University of Cassino and Southern Lazio, Via Di Biasio, 43, 03043 Cassino, FR, Italy
2
Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche, Via Campi Flegrei 34, 80078 Pozzuoli, Napoli, Italy
3
Telematic University Pegaso, piazza Trieste e Trento, 48, 80132 Naples, Italy
4
UNESCO-IHE Institute for Water Education, Westvest 7, 2611-AX Delft, The Netherlands
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Patrick Hallenbeck
Received: 1 April 2015 / Revised: 20 May 2015 / Accepted: 22 May 2015 / Published: 4 June 2015
(This article belongs to the Special Issue Photosynthesis and Biological Hydrogen Production)
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Abstract

As the only fuel that is not chemically bound to carbon, hydrogen has gained interest as an energy carrier to face the current environmental issues of greenhouse gas emissions and to substitute the depleting non-renewable reserves. In the last years, there has been a significant increase in the number of publications about the bacterium Thermotoga neapolitana that is responsible for production yields of H2 that are among the highest achievements reported in the literature. Here we present an extensive overview of the most recent studies on this hyperthermophilic bacterium together with a critical discussion of the potential of fermentative production by this bacterium. The review article is organized into sections focused on biochemical, microbiological and technical issues, including the effect of substrate, reactor type, gas sparging, temperature, pH, hydraulic retention time and organic loading parameters on rate and yield of gas production. View Full-Text
Keywords: thermophilic bacteria; fermentation; hydrogen; lactic acid; carbon dioxide; biomass; renewable energy; process kinetics; energy carrier; green-house gas thermophilic bacteria; fermentation; hydrogen; lactic acid; carbon dioxide; biomass; renewable energy; process kinetics; energy carrier; green-house gas
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Pradhan, N.; Dipasquale, L.; d'Ippolito, G.; Panico, A.; Lens, P.N.L.; Esposito, G.; Fontana, A. Hydrogen Production by the Thermophilic Bacterium Thermotoga neapolitana. Int. J. Mol. Sci. 2015, 16, 12578-12600.

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