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Modelling of growth conditions for cyanobacterium Spirulina platensis in microcosms

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Abstract

The influence of cultivation conditions on the growth of the cyanobacterium Spirulina platensis was investigated by using two types of photobioreactors. In a rotative photobioreactor the doubling time (t d) was 3.54 days. The better value found for t d in an aerated photobioreactor by changing the initial nitrogen concentration (NaNO3) at 0.003, 0.015, 0.030 and 0.060 M was 2.5 days. A factorial experimental design was performed in order to estimate the contributions of initial nitrogen concentration, inoculum and cultivation time as well as their interactions. All three factors and their interactions proved to be significant in influencing the cellular concentration of S. platensis.

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Authors and Affiliations

  1. Department of Chemistry, Federal University Foundation of Rio Grande, P. O. Box 474, RS, 96201-900, Brazil

    Jorge Alberto Vieira Costa

  2. Food Engineering, Federal University Foundation of Rio Grande, RS, 96201-900, Brazil

    Giani Andrea Linde, Daniel Ibraim Pires Atala, Guilherme Martinez Mibielli & Roselini Trapp Krüger

Authors
  1. Jorge Alberto Vieira Costa
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  2. Giani Andrea Linde
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  3. Daniel Ibraim Pires Atala
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  4. Guilherme Martinez Mibielli
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  5. Roselini Trapp Krüger
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Costa, J.A.V., Linde, G.A., Atala, D.I.P. et al. Modelling of growth conditions for cyanobacterium Spirulina platensis in microcosms. World Journal of Microbiology and Biotechnology 16, 15–18 (2000). https://doi.org/10.1023/A:1008992826344

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