Estimation of CO2 stripping/CO2 microalgae consumption ratios in a bubble column photobioreactor using the analysis of the pH profiles. Application to Nannochloropsis oculata microalgae culture

▸ Nannochloropsis oculata cultured in an outdoor bubble column photobioreactor. ▸ pH probe and equilibrium CO2-water. ▸ CO2 stripping consumption model. Nannochloropsis oculata was grown in an outdoor bubble column photobioreactor. To obtain information about the behaviour of microalgae/photobioreac...

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Veröffentlicht in:Bioresource technology 2012-09, Vol.119, p.1-6
Hauptverfasser: Valdés, F.J., Hernández, M.R., Catalá, L., Marcilla, A.
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creator Valdés, F.J.
Hernández, M.R.
Catalá, L.
Marcilla, A.
description ▸ Nannochloropsis oculata cultured in an outdoor bubble column photobioreactor. ▸ pH probe and equilibrium CO2-water. ▸ CO2 stripping consumption model. Nannochloropsis oculata was grown in an outdoor bubble column photobioreactor. To obtain information about the behaviour of microalgae/photobioreactor system related to the CO2 net balance, an analysis of the pH profiles during microalgae growth was carried out. The use of the carbonate equilibrium chemistry and the overall CO2 volumetric mass transfer in the photobioreactor has permitted to obtain information of the CO2 losses/CO2 microalgae consumption ratios. The simplicity of the technique used (a pH probe) could extend the use of this methodology for the correct selection of the photobioreactor/microalgae parameters with the aim to maximize the [CO2 uptaken/(CO2 uptaken+CO2 stripped)] ratios.
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subjects Biological Assay - instrumentation
Bubble columns
Carbon dioxide
Carbon Dioxide - analysis
Carbon Dioxide - chemistry
Carbon Dioxide - metabolism
Carbonates
Cell Culture Techniques
CO2
Culture
Culture Media - analysis
Culture Media - chemistry
Equipment Design
Equipment Failure Analysis
Hydrogen-Ion Concentration
Light
Mass transfer
Metabolic Clearance Rate
Microalgae
Microalgae - physiology
Microalgae - radiation effects
Nannochloropsis oculata
Outdoor
Photobioreactors - microbiology
Stripping
title Estimation of CO2 stripping/CO2 microalgae consumption ratios in a bubble column photobioreactor using the analysis of the pH profiles. Application to Nannochloropsis oculata microalgae culture
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