期刊
BIORESOURCE TECHNOLOGY
卷 306, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2020.123153
关键词
Wastewater recycling; Thraustochytrid; Aurantiochytrium sp.; Docosahexaenoic acid; Saturated fatty acids
资金
- University Grant Commission (UGC) [F.5-62/2007]
- Institute of Chemical Technology, Mumbai
The main aim of this work was the optimization of recycled spent media wastewater (SMW) concentration for high biomass production of Aurantiochytrium sp. ICTFD5. Further, optimization for growth patterns and lipid accumulation capacity with three subsequent recycling runs was also performed. The biomass production after 96 h fermentation for recycling with 50% SMW was; 21.3 +/- 1.5, 19.1 +/- 1.3, 19 +/- 1.2, and 23 +/- 1.2 g/L for the first, second, third recycle runs, and control respectively. All the recycle runs were carried out with the same media and cultivation conditions. Subsequent recycling affected lipid accumulation, and it was decreased by similar to 4 to 9% compared to the control. The compositional shift of fatty acids was observed with sequential recycle runs, changing more towards saturated fatty acids content, suggesting it to be a new potential source for biodiesel feedstock.
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