期刊
BIORESOURCE TECHNOLOGY
卷 197, 期 -, 页码 48-55出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.08.041
关键词
Microalgae; Desalination wastewater; Reuse of water; Mixotrophic cultivation; Biomass
资金
- CAPES-Brazil
In this study the feasibility of growing marine Nannochloropsis gaditana in desalination concentrate (DC) was explored and the influence of the DC concentration on the biomass growth, lipid productivities and fatty acids composition was assessed. The reuse of the medium with the optimum DC concentration in successive algal cultivation cycles and the additional of a carbon source to the optimized medium were also evaluated. On varying the DC concentration, the maximum biomass concentration (0.96 g L (1)) and lipid content (12.6%) were obtained for N. gaditana in the medium with the optimum DC concentration (75%). Over the course of the reuse of the optimum DC medium, three cultivation cycles were performed, observing that the biomass productivity is directly correlated to lipid productivity. Palmitic acid was the major fatty acid found in N. gaditana cells. The saturated fatty acids content of the algae enhanced significantly on increasing the DC concentration. (C) 2015 Elsevier Ltd. All rights reserved.
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