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KMID : 0380020040190040257
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Korean Journal of Biotechnology and Bioengineering
2004 Volume.19 No. 4 p.257 ~ p.262
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A Study on the Design Criteria of Photobioreactor for the Efficiency of Light-Utilization
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Ryu Hyun-Jin
Lee Jin-Suk
Oh Kyung-Geun
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Abstract
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Recently, there is a growing interest in microalgae and the use of microalgae focused on the production of various high value metabolite used in food, pharmaceuticals and cosmetics. The key limiting factor in high density algal cultivation is the light and algal growth is defined by light intensity and light penetration depth into the culture medium. The effect of light with various light paths, S/V ratios, light intensities, and 50% duty cycle on the growth of microalgae was examined to enhance microalgal biomass productivity and photosynthetic efficiency. We confirmed that the utilization of efficient light energy was obtained from 4 cm of diameter, 57.6% of S/V ratio, 62 mol/㎡/s of light intensity.
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KEYWORD
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Microalgae, light, biomass productivity, photosynthetic efficiency
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