NDLI: Reliable determination of the growth and hydrogen production parameters of the photosynthetic bacterium $Rhodobacter\\ capsulatus$ in fed batch culture using a combination of the Gompertz function and the Luedeking-Piret model

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Reliable determination of the growth and hydrogen production parameters of the photosynthetic bacterium $Rhodobacter\\ capsulatus$ in fed batch culture using a combination of the Gompertz function and the Luedeking-Piret model

Content Provider	Hyper Articles en Ligne (HAL)
Author	Deseure, Jonathan Obeid, Jamila Willison, John Magnin, Jean-Pierre
Copyright Year	2021
Abstract	In this study, experimental results of hydrogen producing process based on anaerobic photosynthesis using the purple non-sulfur bacterium Rhodobacter capsulatus are scrutinized. The bacterial culture was carried out in a photo-bioreactor operated in a quasi-continuous mode, using lactate as a carbon source. The method is based on the continuous stirred tank reactors (CSTR) technique to access kinetic parameters. The dynamic evolution of hydrogen production as a function of time was accurately simulated using Luedeking-Piret model and the growth of R. capsulatus was computed using Gompertz model. The combination of both models was successfully applied to determine the relevant parameters (λ, μ$_{max}$, α and β) for two R. capsulatus strains studied: the wild-type strain B10 and the H$_2$ over-producing mutant IR3. The mathematical description indicates that the photofermentation is more promising than dark fermentation for the conversion of organic substrates into biogas.
Related Links	https://hal.science/hal-03287603/file/des1.pdf
ISSN	24058440
DOI	10.1016/j.heliyon.2021.e07394
Journal	Heliyon
Issue Number	7
Volume Number	7
Language	English
Publisher	HAL CCSD Elsevier
Publisher Date	2021-01-01
Access Restriction	Open
Subject Keyword	Rhodobacter capsulatus Quasi-continuous fermentation Photofermentation modeling Hydrogen production Microbiology and Parasitology Life Sciences [q-bio] Biotechnology Life Sciences [q-bio] Bacteriology
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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