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Nutrient Removal from Wastewater Using Microalgae: A Kinetic Evaluation and Lipid Analysis
ABSTRACT: The objective of this study was to examine the performance of mixed microalgal bioreactors in treating three different types of wastewaters—kitchen wastewater (KWW), palm oil mill effluent (POME), and pharmaceutical wastewater (PWW) in semi‐continuous mode and to analyze the lipid content in the harvested algal biomass. The reactors were monitored for total nitrogen and phosphate removal at eight solid retention times (SRTs): 2, 4, 6, 8, 10, 12, 14, and 16 days. The nutrient uptake kinetic parameters were quantified using linearized Michaelis‐Menten and Monod models at steady‐state conditions. The nutrient removal efficiency and lipid production were found to be higher in KWW when compared with the other wastewaters. Saturated fatty acids (C16:0, C18:0, and C18:1) accounted for more than 60% of the algal fatty acids for all the wastewaters. The lipid is, therefore, considered suitable for synthesizing biodiesel.
Nutrient Removal from Wastewater Using Microalgae: A Kinetic Evaluation and Lipid Analysis
ABSTRACT: The objective of this study was to examine the performance of mixed microalgal bioreactors in treating three different types of wastewaters—kitchen wastewater (KWW), palm oil mill effluent (POME), and pharmaceutical wastewater (PWW) in semi‐continuous mode and to analyze the lipid content in the harvested algal biomass. The reactors were monitored for total nitrogen and phosphate removal at eight solid retention times (SRTs): 2, 4, 6, 8, 10, 12, 14, and 16 days. The nutrient uptake kinetic parameters were quantified using linearized Michaelis‐Menten and Monod models at steady‐state conditions. The nutrient removal efficiency and lipid production were found to be higher in KWW when compared with the other wastewaters. Saturated fatty acids (C16:0, C18:0, and C18:1) accounted for more than 60% of the algal fatty acids for all the wastewaters. The lipid is, therefore, considered suitable for synthesizing biodiesel.
Nutrient Removal from Wastewater Using Microalgae: A Kinetic Evaluation and Lipid Analysis
Water Environment Research
Babu, Anjana (author) / Katam, Keerthi (author) / Gundupalli, Marttin Paulraj (author) / Bhattacharyya, Debraj (author)
Water Environment Research ; 90 ; 520-529
2018-06-01
Article (Journal)
Electronic Resource
English
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