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Open AccessArticle

In Situ Water Electrolyzer Stack for an Electrobioreactor

1
School of Energy Systems, LUT University, P.O. Box 20, FI-53851 Lappeenranta, Finland
2
VTT Technical Research Centre of Finland Ltd., P.O. Box 1000, 02044 VTT, Espoo, Finland
*
Author to whom correspondence should be addressed.
Energies 2019, 12(10), 1904; https://doi.org/10.3390/en12101904
Received: 18 April 2019 / Revised: 13 May 2019 / Accepted: 15 May 2019 / Published: 18 May 2019
Hydrogen-oxidizing bacteria provide a sustainable solution for microbial protein production. Renewable electricity can be used for in situ water electrolysis in an electrobioreactor. The use of cultivation medium as the electrolyte enhances the hydrogen dissolution to the medium. This paper proposes a stack structure for in situ water electrolysis to improve the productivity of the electrobioreactor. The hydrogen production rate and the energy efficiency of the prototype stack are analyzed. View Full-Text
Keywords: in situ water electrolysis; microbial protein; hydrogen-oxidizing bacteria; electrobioreactor in situ water electrolysis; microbial protein; hydrogen-oxidizing bacteria; electrobioreactor
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MDPI and ACS Style

Givirovskiy, G.; Ruuskanen, V.; Ojala, L.S.; Kokkonen, P.; Ahola, J. In Situ Water Electrolyzer Stack for an Electrobioreactor. Energies 2019, 12, 1904.

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