Optimization of carbon dioxide supply in raceway reactors: Influence of carbon dioxide molar fraction and gas flow rate

•Gases containing different CO2 molar fraction can be used to control pH in raceway.•CO2 efficiency is maximal when minimizing the gas flow rate and molar fraction.•In raceways major CO2 losses take place in sump, next in channels and paddlewheel.•Optimal system allows achieving 85% conversion of su...

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Veröffentlicht in:	Bioresource technology 2016-07, Vol.212, p.72-81
Hauptverfasser:	Duarte-Santos, T., Mendoza-Martín, J.L., Acién Fernández, F.G., Molina, E., Vieira-Costa, J.A., Heaven, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biomass Bioreactors - microbiology Carbon Dioxide - analysis CO2 concentration CO2 efficiency Gas flow Hydrogen-Ion Concentration Microalgae Microalgae - metabolism Raceway Rheology Scenedesmus Scenedesmus - metabolism
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