A photobioreactor with pH control: demonstration by growth of the marine diatom Skeletonema costatum

A photobioreactor with pH control for cultivation of algae is described. The magnetically stirred culture flask is connected to separate reservoirs for medium and for acid and base (diluted HCl and NaOH, respectively). A pH electrode is inserted into the culture flask and coupled to a pH controller,...

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Veröffentlicht in:Journal of plankton research 2002-06, Vol.24 (6), p.557-563
Hauptverfasser: Granum, Espen, Myklestad, Sverre M.
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creator Granum, Espen
Myklestad, Sverre M.
description A photobioreactor with pH control for cultivation of algae is described. The magnetically stirred culture flask is connected to separate reservoirs for medium and for acid and base (diluted HCl and NaOH, respectively). A pH electrode is inserted into the culture flask and coupled to a pH controller, which activates acid and base titration at set points of pH 8.1 and 7.8, respectively. Illumination is provided by light tubes with a diel light : dark cycle. The use of the photobioreactor in batch mode is illustrated by showing pH curves in different growth phases of the marine diatom Skeletonema costatum. The photobioreactor can also be run as a semicontinuous or continuous reactor with slight modifications.
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The magnetically stirred culture flask is connected to separate reservoirs for medium and for acid and base (diluted HCl and NaOH, respectively). A pH electrode is inserted into the culture flask and coupled to a pH controller, which activates acid and base titration at set points of pH 8.1 and 7.8, respectively. Illumination is provided by light tubes with a diel light : dark cycle. The use of the photobioreactor in batch mode is illustrated by showing pH curves in different growth phases of the marine diatom Skeletonema costatum. The photobioreactor can also be run as a semicontinuous or continuous reactor with slight modifications.</description><identifier>ISSN: 0142-7873</identifier><identifier>ISSN: 1464-3774</identifier><identifier>EISSN: 1464-3774</identifier><identifier>DOI: 10.1093/plankt/24.6.557</identifier><identifier>CODEN: JPLRD9</identifier><language>eng</language><publisher>Oxford: Oxford University Press</publisher><subject>Agronomy. 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source Oxford University Press Journals All Titles (1996-Current); EZB-FREE-00999 freely available EZB journals
subjects Agronomy. Soil science and plant productions
Algae
Biological and medical sciences
Diatoms
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
Marine
pH effects
Plant aquaculture, algal production (macroalgae)
Skeletonema costatum
Sodium hydroxide
Titration
title A photobioreactor with pH control: demonstration by growth of the marine diatom Skeletonema costatum
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