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KMID : 0380020120270040263
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Korean Journal of Biotechnology and Bioengineering
2012 Volume.27 No. 4 p.263 ~ p.267
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Cultivation of Chlorella sp. under Different Aeration Conditions Illuminated by Light Emitting Diode
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Choi Bo-Ram
Lee Tae-Yoon
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Abstract
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The purpose of this study was to determine optimum value of aeration rate for the cultivation of Chlorella sp. under illumination of red light emitting diode. The aeration rates varied from 0 to 2.4 vvm under the illumination of 4,400 lux of red light emitting diode. The highest specific growth rate of 1.51 day-1 was obtained at the aeration of 0.7 vvm and lower specific growth rates were obtained for other aeration tests. Furthermore, the highest biomass concentration (1.02 g/L) was also obtained at the aeration of 0.7 vvm. Therefore, aeration of 0.7 vvm was determined to be the optimum aeration rate for the cultivation of Chlorella sp. under red light emitting diode.
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KEYWORD
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Red light emitting diode, Photo-bioreactor, Chlorella sp., Aeration, Biomass
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