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Optimization of Nannochloropsis oculata growth using the Response Surface Method

Spolaore, Pauline and Joannis-Cassan, Claire and Duran, Elie and Isambert, Arsène Optimization of Nannochloropsis oculata growth using the Response Surface Method. (2006) Journal of Chemical Technology & Biotechnology, vol. 81 (n° 6). pp. 1049-1056. ISSN 0268-2575

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Official URL: http://dx.doi.org/10.1002/jctb.1529

Abstract

Optimization of Nannochloropsis oculata growth was undertaken using the Response Surface Method. A central composite design was defined to study the effects of temperature, pH, incident light intensity and aeration rate on the maximum growth rate of the microalga. Using statistical analysis, the first model calculated to fit results was twice improved. The final model obtained was used to clarify the effects of each factor and their interactions on the growth of Nannochloropsis oculata. The optimum growth conditions of this microorganism were also estimated as 21°C, 52 µmol photons.m-2.s-1, pH 8.4 and 14.7 VVH of aeration rate. These conditions were tested and validated experimentally since the maximum growth rate achieved with these parameters, 0.0359h-1, is the best reported in this study.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > EVAFLOR (FRANCE)
Other partners > Ecole Centrale de Paris (FRANCE)
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Deposited By: Claire JOANNIS CASSAN

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