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LAPSE:2023.4040v1

In Situ Water Electrolyzer Stack for an Electrobioreactor

Georgy Givirovskiy, Vesa Ruuskanen, Leo S. Ojala, Petteri Kokkonen, Jero Ahola

February 22, 2023

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.

Record ID

LAPSE:2023.4040v1

Keywords

electrobioreactor, hydrogen-oxidizing bacteria, in situ water electrolysis, microbial protein

Subject

Biosystems

Suggested Citation

Givirovskiy G, Ruuskanen V, Ojala LS, Kokkonen P, Ahola J. In Situ Water Electrolyzer Stack for an Electrobioreactor. (2023). LAPSE:2023.4040v1

Author Affiliations

Givirovskiy G: School of Energy Systems, LUT University, P.O. Box 20, FI-53851 Lappeenranta, Finland [ORCID]
Ruuskanen V: School of Energy Systems, LUT University, P.O. Box 20, FI-53851 Lappeenranta, Finland [ORCID]
Ojala LS: VTT Technical Research Centre of Finland Ltd., P.O. Box 1000, 02044 VTT, Espoo, Finland
Kokkonen P: VTT Technical Research Centre of Finland Ltd., P.O. Box 1000, 02044 VTT, Espoo, Finland
Ahola J: School of Energy Systems, LUT University, P.O. Box 20, FI-53851 Lappeenranta, Finland [ORCID]
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Journal Name

Energies

Volume

Issue

Article Number

E1904

Year

2019

Publication Date

2019-05-18

DOI:

https://doi.org/10.3390/en12101904