The Performance of a Self-Flocculating Microalga Chlorococcum sp. GD in Wastewater with Different Ammonia Concentrations
Abstract
:1. Introduction
2. Materials and Methods
2.1. Microalgal Strain
2.2. Synthetic Wastewater
2.3. Experimental Set-Up
2.4. Analytical Methods
2.4.1. Flocculating Ability Test
2.4.2. Extraction and Analysis of Extracellular Polymeric Substances (EPS)
2.4.3. Determination of Microalgal Growth
2.4.4. Determination of Water Quality
2.4.5. Determination of Microalgal Lipid
2.4.6. Statistical Analysis
3. Results
3.1. The Flocculating Property of Chlorococcum sp. GD in Wastewater with Different Ammonia Nitrogen Concentrations
3.2. The Growth and Biomass Production of Chlorococcum sp. GD in Wastewater with Different Ammonia Nitrogen Concentrations
3.3. Pollutants Removal of Chlorococcum sp. GD in Wastewater with Different Ammonia Nitrogen Concentrations
3.4. Lipid Accumulation of Chlorococcum sp. GD in Wastewater with Different Ammonia Nitrogen Concentrations
4. Discussion
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Ammonia Concentration (mg·L−1) | N/P Ratio | Specific Growth Rate (μ, d−1) | Mean Biomass Productivity (mg DW·L−1·d−1) | Double Time (d−1) |
---|---|---|---|---|
10 | 2 | 0.19 ± 0.02 a | 10.64 ± 1.35 a | 2.37 ± 0.08 a |
20 | 4 | 0.24 ± 0.01 b | 15.70 ± 0.48 b | 2.12 ± 0.06 b |
30 | 6 | 0.21 ± 0.01 a | 14.26 ± 0.06 b,c | 2.27 ± 0.03 a,b |
50 | 10 | 0.19 ± 0.03 a | 12.74 ± 1.61 c | 2.34 ± 0.1 a |
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Lv, J.; Wang, X.; Liu, W.; Feng, J.; Liu, Q.; Nan, F.; Jiao, X.; Xie, S. The Performance of a Self-Flocculating Microalga Chlorococcum sp. GD in Wastewater with Different Ammonia Concentrations. Int. J. Environ. Res. Public Health 2018, 15, 434. https://doi.org/10.3390/ijerph15030434
Lv J, Wang X, Liu W, Feng J, Liu Q, Nan F, Jiao X, Xie S. The Performance of a Self-Flocculating Microalga Chlorococcum sp. GD in Wastewater with Different Ammonia Concentrations. International Journal of Environmental Research and Public Health. 2018; 15(3):434. https://doi.org/10.3390/ijerph15030434
Chicago/Turabian StyleLv, Junping, Xuechun Wang, Wei Liu, Jia Feng, Qi Liu, Fangru Nan, Xiaoyan Jiao, and Shulian Xie. 2018. "The Performance of a Self-Flocculating Microalga Chlorococcum sp. GD in Wastewater with Different Ammonia Concentrations" International Journal of Environmental Research and Public Health 15, no. 3: 434. https://doi.org/10.3390/ijerph15030434