In Situ Water Electrolyzer Stack for an Electrobioreactor

Georgy Givirovskiy, Vesa Ruuskanen, Leo S. Ojala, Petteri Kokkonen and Jero Ahola
Additional contact information
Georgy Givirovskiy: School of Energy Systems, LUT University, P.O. Box 20, FI-53851 Lappeenranta, Finland
Vesa Ruuskanen: School of Energy Systems, LUT University, P.O. Box 20, FI-53851 Lappeenranta, Finland
Leo S. Ojala: VTT Technical Research Centre of Finland Ltd., P.O. Box 1000, 02044 VTT, Espoo, Finland
Petteri Kokkonen: VTT Technical Research Centre of Finland Ltd., P.O. Box 1000, 02044 VTT, Espoo, Finland
Jero Ahola: School of Energy Systems, LUT University, P.O. Box 20, FI-53851 Lappeenranta, Finland

Energies, 2019, vol. 12, issue 10, 1-13

Abstract: 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.

Keywords: in situ water electrolysis; microbial protein; hydrogen-oxidizing bacteria; electrobioreactor (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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