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Effect of mine wastewater on nutrient removal and lipid production by a green microalga Micratinium reisseri from concentrated municipal wastewater

Title
Effect of mine wastewater on nutrient removal and lipid production by a green microalga Micratinium reisseri from concentrated municipal wastewater
Author
El Sayed Adel Farid Salama
Keywords
Micratinium reisseri; Mine wastewater; Municipal wastewater; Nutrient removal; Lipid productivity
Issue Date
2014-04
Publisher
Elsevier SCI Ltd.
Citation
Bioresource Technology, 2014, 157, P.84-90
Abstract
Effect of mine wastewater on the nutrient removal efficiency of a green microalga Micratinium reisseri from concentrated municipal wastewater (CMW) with simultaneous lipid production was investigated. Different dilution ratios (1-10%) of CMW either with mine wastewater (MWF) or mine wastewater without Fe (MWOF) were used. M. reisseri showed the highest growth (0.8 g L (1)) and nutrient uptake (35.9 mg TN L (1) and 5.4 mg TP L (1)) at 3% MWF ([Fe](tot) = 6.7 mg L (1)), and the highest lipid productivity (10.4 mg L (1) day (1)) at 5% MWF ([Fe](tot) = 11.2 mg L (1)) after 15 days. CMW supported the algal autoflocculation due to formation of phosphate, calcium and magnesium precipitates at a high suspension pH. Fatty acid methyl ester analysis revealed that the microalgal lipids possessed 79-82% of C16/C18 fatty acids. Application of mine wastewater improved the nutrient removal efficiency, growth and lipid productivity of M. reisseri cultivated in CMW. (C) 2014 Elsevier Ltd. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0960852414001126?via%3Dihub
ISSN
0960-8524
DOI
10.1016/j.biortech.2014.01.087
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INDUSTRY-UNIVERSITY COOPERATION FOUNDATION[S](산학협력단) > ETC
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