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Journal Articles Journal of Process Control Year : 2011

Hurdles and challenges for modelling and control of microalgae for CO2 mitigation and biofuel production

Abstract

Oleaginous microalgae are considered to be a potential major biofuel producer in the future since, under conditions of nitrogen deprivation, they are capable of containing high amounts of lipids, while consuming industrial CO2. These photosynthetic microorganisms are, however, rather different from the microorganisms usually used in biotechnology. In particular, predicting the behaviour of microalgal based processes is delicate because of the strong interaction between biology (microalgal development and respiration), and physics (light attenuation and hydrodynamics). This paper reviews existing models, and in particular the Droop model which has been widely used to predict microalgal behaviour under nutrient limitation. It details a model for raceways or planar photobioreactors, when both light and nutrients are limiting. The challenges and hurdles to improve microalgal culture process modelling and control in order to optimise biomass or biofuel production are then discussed.

Dates and versions

hal-00848385 , version 1 (26-07-2013)

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Olivier Bernard. Hurdles and challenges for modelling and control of microalgae for CO2 mitigation and biofuel production. Journal of Process Control, 2011, 21 (10), pp.1378--1389. ⟨10.1016/j.jprocont.2011.07.012⟩. ⟨hal-00848385⟩
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