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http://dx.doi.org/10.4491/KSEE.2014.36.9.609

Effect of N/P Ratio on the Biomass Productivity and Nutrient Removal in the Wastewater using Botryococcus braunii  

Choi, Hee-Jeong (Department of Health and Environment, Catholic Kwandong University)
Lee, Seung-Mok (Department of Health and Environment, Catholic Kwandong University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.36, no.9, 2014 , pp. 609-613 More about this Journal
Abstract
The aim of this study was effect of N/P ratio on the nutrient removal in the wastewater using microalgae. For this experiment, 1 to 70 various N/P ratio was prepared and used microalgae as Botryococcus braunii in the wastewater. The results of this study were that 1 to 30 of N/P ratio was need for biomass productivity in the wastewater. TN removal was measured 82% for 1 to 30 N/P ratio and 73-78% for 31 to 70 N/P ratio. TP removal in 1 to 20 N/P ratio was determined up to 80%, but over 21 N/P ratio was decreased significantly and was not changed around 22% of TP removal in the 50 to 70 N/P ratio. Therefore, the optimum N/P ratio in the wastewater was 1 to 30 for biomass productivity, TN and TP removal. The correlation ($R^2$) of TP removal and biomass productivity was 0.9126. However, the relationship between TN removal and biomass productivity was not found. The P content in the wastewater was influenced more than that of TN content.
Keywords
Microalgae; Biomass Productivity; N/P Ratio; Nutrient Removal; Wastewater Treatment;
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Times Cited By KSCI : 1  (Citation Analysis)
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