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A Study on the Design Criteria of Photobioreactor for the Efficiency of Light-Utilization  

류현진 (단국대학교 공업화학과)
이진석 (한국에너지기술연구원 바이오매스연구센터)
오경근 (단국대학교 공업화학과)
Publication Information
KSBB Journal / v.19, no.4, 2004 , pp. 257-262 More about this Journal
Abstract
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 ${\mu}$mol/㎡/s of light intensity.
Keywords
Microalgae; light; biomass productivity; photosynthetic efficiency;
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