Abstract
Shading of the tubular photobioreactor (PBR) surfaces that diminished solar irradiance to 70 % led to higher biomass productivity and greater accumulation of total chlorophyll and carotenoids compared to the values obtained when the PBR was completely exposed to full sunlight.
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Abbreviations
- Chl:
-
chlorophyll
- DCM:
-
dry cell mass
- PBR:
-
photobioreactor
References
Carlozzi, P.: Dilution of solar radiation through culture lamination in photobioreactor rows facing south-north: a way to improve the efficiency of light utilization by cyanobacteria (Arthrospira platensis).-Biotechnol. Bioeng. 81: 305–315, 2003.
Grobbelaar, J.U., Nedbal, L., Tichy, V.: Influence of high frequency light/dark fluctuations on photosynthetic characteristics of microalgae photoacclimated to different light intensities and implications for mass algal cultivation.-J. appl. Phycol. 8: 335–343, 1996.
Janssen, M., Slenders, P., Tramper, J., Mur, L.R., Wijffels, R.H.: Photosynthetic efficiency of Dunaliella tertiolecta under short light/dark cycles.-Enzyme microb. Technol. 29: 298–305, 2001.
Lee, Y.-K., Pirt, S.J.: Energetics of photosynthetic algal growth: influence of intermittent illumination in short (40 s) cycles.-J. gen. Microbiol. 124: 43–52, 1981.
Molina Grima, E., Acién Fernández, F.G., García Camacho, F., Chisti, Y.: Photobioreactors: light regime, mass transfer, and scaleup.-J. Biotechnol. 70: 231–247, 1999.
Ogbonna, J.C., Yada, H., Tanaka, H.: Effect of cell movement by random mixing between the surface and bottom of photobioreactors on algal productivity.-J. Ferment. Bioeng. 79: 152–157, 1995.
Parker, R.E.: Introductory Statistics for Biology. 2nd Ed.-Pp. 12–16, 60–73. Cambridge University Press, Cambridge 1980.
Richmond, A.: Biological principles of mass cultivation.-In: Richmond, A. (ed.): Handbook of Microalgal Culture. Pp. 125–127. Blackwell Publ., Oxford 2004.
Richmond, A., Qiang, H.: Principles for efficient utilization of light for mass production of photoautotrophic microorganisms.-Appl. Biochem. Biotechnol. 63/65: 649–658, 1997.
Ugwu, C.U., Aoyagi, H., Uchiyama, H.: Influence of irradiance, dissolved oxygen concentration, and temperature on the growth of Chlorella sorokiniana.-Photosynthetica 45: 309–311, 2007.
Ugwu, C.U., Ogbonna, J.C., Tanaka, H.: Improvement of mass transfer characteristics and productivities of inclined tubular photobioreactors by installation of internal static mixers.-Appl. Microbiol. Biotechnol. 58: 600–607, 2002.
Ugwu, C.U., Ogbonna, J.C., Tanaka, H.: Characterization of light utilization and biomass yields of Chlorella sorokiniana in inclined outdoor tubular photobioreactors equipped with static mixers.-Proc. Biochem. 40: 3406–3411, 2005.
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Ugwu, C.U., Aoyagi, H. Influence of shading inclined tubular photobioreactor surfaces on biomass productivity of C. sorokiniana . Photosynthetica 46, 283–285 (2008). https://doi.org/10.1007/s11099-008-0049-1
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DOI: https://doi.org/10.1007/s11099-008-0049-1