Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 405273
Title Horizontal or vertical photobioreactors? How to improve microalgae photosynthetic efficiency
Author(s) Cuaresma, M.; Janssen, M.G.J.; Vilchez, C.; Wijffels, R.H.
Source Bioresource Technology 102 (2011)8. - ISSN 0960-8524 - p. 5129 - 5137.
DOI http://dx.doi.org/10.1016/j.biortech.2011.01.078
Department(s) Bioprocess Engineering
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) outdoor mass cultivation - chlorophyll fluorescence - tubular photobioreactor - muriellopsis sp - chlorella - light - temperature - culture - productivity - irradiance
Abstract The productivity of a vertical outdoor photobioreactor was quantitatively assessed and compared to a horizontal reactor. Daily light cycles in southern Spain were simulated and applied to grow the microalgae Chlorella sorokiniana in a flat panel photobioreactor. The maximal irradiance around noon differs from 400µmolphotonsm(-2)s(-1) in the vertical position to 1800µmolphotonsm(-2)s(-1) in the horizontal position. The highest volumetric productivity was achieved in the simulated horizontal position, 4gkg culture(-1)d(-1). The highest photosynthetic efficiency was found for the vertical simulation, 1.3g of biomass produced per mol of PAR photons supplied, which compares favorably to the horizontal position (0.85gmol(-1)) and to the theoretical maximal yield (1.8gmol(-1)). These results prove that productivity per unit of ground area could be greatly enhanced by placing the photobioreactors vertically
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