RT Journal Article
T1 Luminostat operation: A tool to maximize microalgae photosynthetic efficiency in photobioreactors during the daily light cycle?
A1 Cuaresma Franco, María
A1 Janssen, Marcel
A1 van den End, Evert Jan
A1 Vílchez Lobato, Carlos
A1 Wijffels, René H.
AB The luminostat regime has been proposed as a way to maximize light absorption and thus to increase the microalgae photosynthetic efficiency within photobioreactors. In this study, simulated outdoor light conditions were applied to a lab-scale photobioreactor in order to evaluate the luminostat control under varying light conditions. The photon flux density leaving the reactor (PFDout) was varied from 4 to 20 micromol photons m-2 s-1and the productivity and photosynthetic efficiency of Chlorella sorokiniana were assessed.Maximal volumetric productivity (1.22 g kg-1 d-1) and biomass yield on PAR photons (400–700 nm)absorbed (1.27 g mol-1) were found when PFDout was maintained between 4 and 6 micromol photons m-2 s-1. The resultant photosynthetic efficiency was comparable to that already reported in a chemostat- controlled reactor. A strict luminostat regime could not be maintained under varying light conditions. Further modifications to the luminostat control are required before application under outdoor conditions.
SN 1873-2976 (electrónico)
YR 2011
FD 2011-05-30
LK https://hdl.handle.net/10272/24959
UL https://hdl.handle.net/10272/24959
LA eng
NO Cuaresma, M., Janssen. M., van den End, E.J., Vílchez, C., Wijffels, R.H. (2011) Luminostat operation: a tool to maximize microalgae photosynthetic efficiency in photobioreactors during the daily light cycle?. Bioresource Technology 102: 7871–7878
NO This work was financially supported by the University of Huelva and Junta de Andalucía (Proyectos de Excelencia, AGR-4337) in Spain.
DS Repositorio Institucional de la Universidad de Huelva
RD 1 jun 2026