Production of Scenedesmus almeriensis Using Pilot-Scale Raceway Reactors Located inside a Greenhouse
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Morillas España, Ainoa; Villaró, Silvia; Ciardi, Martina; Acién Fernández, Francisco Gabriel; Lafarga, TomásFecha
2022-01-12Resumen
The microalga S. almeriensis was produced in spring and summer using 80 m2 raceway reactors located inside a greenhouse in Almería, Spain. This microalga was selected because it is a fast-growing and robust strain with potential applications in the production of functional foods and feeds or as a high-value agricultural biostimulant. Overall, the biomass productivity obtained in summer was 24.9 ± 0.9 g·m−2·day−1. This value was higher than that obtained in spring, with an average value of 21.4 ± 1.3 g·m−2·day−1 (p < 0.05). The Fv/Fm value of the cultures at the stationary phase was comparable and around 0.6, which is the optimum of this strain. No major differences in the macromolecular composition of the biomass were observed between seasons, with an average protein, lipid, ash, and carbohydrate content of 37.9, 4.6, 10.8, and 46.7%, respectively. The data reported herein were used to validate a previously described model. The differences between the experimental and the predicted bio...
Palabra/s clave
microalgae
photobioreactor
agricultural products
waste management
circular economy
biotechnology
wastewater
pig slurry