Cited by 136Algal biology and biofuel productionAquatic Ecosystems and Phytoplankton DynamicsFluid Dynamics and Mixing

A structured model for simulation of cultures of the cyanobacterium Spirulina platensis in photobioreactors: II. Identification of kinetic parameters under light and mineral limitations

Cornet, J. F., Dussap, C. G., Cluzel, P., Dubertret, G.·1992·Biotechnology and Bioengineering

Abstract

A structured model for the culture of cyanobacteria in photobioreactors is developed on the basis of Schuster's approximations for radiative light transfer. This model is therefore limited to monodimensional geometries and kinetic aspects.Light-harvesting pigments play a crucial role in defining the profile of radiative transfer inside the culture medium and in controlling the metabolism, particularly the metabolic deviations induced by mineral limitations. Modeling therefore requires the biomass to be divided into several compartments, among which the light-harvesting compartment allows a working illuminated volume to be defined within the photobioreactor. This volume may change during batch cultures, largely decreasing as pigment concentration increases during growth but increasing as pigments are consumed during mineral limitation. This approach enables, in photobioreactors of simple parallelepipedic, geometries, kinetic parameters to be determined with high accuracy; this may then be extended to vessels of more complex geometries, such as cylindrical photobioreactors.The model is applied to controlled batch cultures of the cyanobacterium Spirulina platensis in parallelepipedic photobioreactors to assess its ability to predict the behavior of these microorganisms in conditions of light and mineral limitations. Results allowed the study of optimal operating condition for continuous cultures to be approached.

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Crossref · 10.1002/bit.260400710

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14 of 14 references verified0 citation errors · 0 not checkable

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  • Analytical approximations of the one-dimensional RTE exist, which allow a more accurate consideration of the absorption and scattering characteristics of microalgae cells.

    “Although not being listed in Table 1, it should be stated that analytical approximations of the one-dimensional RTE exist, which allow a more accurate consideration of the absorption and scattering characteristics of microalgae cells [129-132].”
  • Cornet et al. applied the 2-flux approximation to light transfer in photobioreactors and derived an analytical solution of the RTE in one dimension under the assumption of isotropic scattering and one-sided light emission.

    “Cornet et al. [129,131] applied this approximation to light transfer in photobioreactors and derived an analytical solution of the RTE in one dimension under the assumption of isotropic scattering and one-sided light emission.”

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Authors
Cornet, J. F., Dussap, C. G., Cluzel, P., & Dubertret, G.
Affiliations
  • Université Blaise Pascal (FR)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
Dussap, C. G.
Venue
Biotechnology and Bioengineering
Publisher
Wiley
Published
1992-10-05
Volume
40
Issue
7
Pages
826-834
ISSN
  • 0006-3592 (ISSN-L)
  • 1097-0290
OpenAlex
W1978567181
Cited by
136
References
14
Citations by year
2024: 7 · 2023: 4 · 2022: 7 · 2021: 6 · 2020: 1 · 2019: 8 · 2018: 3 · 2017: 4 · 2016: 7 · 2015: 15 · 2014: 5 · 2013: 5 · 2012: 6
FWCI
2.72
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology and Bioengineering (publishedVersion)
  • PubMed (publishedVersion)
Funders
European Space Agency
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
  • Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
Keywords
Spirulina platensis, cyanobacteria, photobioreactors, light-harvesting pigments, light limitation, batch culture, kinetic parameter estimation

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