Effect of metal nanoparticles on the growth of the microalga coelastrella sp for the production of biofuels
DOI:
https://doi.org/10.19136/jeeos.a10n3.6698Palabras clave:
Microalgae, Coelastrella sp., Metal nanoparticles, biofuelsResumen
In recent years, one of the most popular proposals for bioenergy generation is the use of microalgae. The interest in the use of microalgae is due to its biochemical composition, which allows obtaining high-value products, CO2 collectors, pigments, sustainable sources of biofuels and biofertilizers. In addition, it has a capacity for growth and biomass generation up to 50 times faster than plants. To produce biodiesel, microalgae that produce a high lipid content in short growth times are required. Recently, it has been shown that the application of nanoparticles in microalgae during the culture cycle improves growth rate, lipid production and biomass. Such is the case of this research study.
The objective of this study was to evaluate different stress conditions, due to the addition of metal oxide nanoparticles (Fe2O3) and the absence of nitrates, in the Coelastrella sp. cultured in BG-11 medium for a period of 15 days and with residual water for 14 days during this period, monitoring of the growth kinetics, physiological and molecular changes of the microalgae, and the specific growth rate was carried out. It can be highlighted that the microalga Coelastrella sp. grows satisfactorily supplemented with 20 mg L-1 of Fe2O3 nanoparticles grown in wastewater and that the addition of nanoparticles favors biomass production.
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