Nutrient Removal from Wastewater using Microalgae: A Kinetic Evaluation and Lipid Analysis

Babua, Anjana and Katam, Keerthi and Gundupalli, Marttin Paulraj and Bhattacharyya, Debraj (2017) Nutrient Removal from Wastewater using Microalgae: A Kinetic Evaluation and Lipid Analysis. Water Environment Research. ISSN 1061-4303 (In Press)

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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.

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IITH Creators:
IITH CreatorsORCiD
Bhattacharyya, DebrajUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: biodiesel; kinetics; lipid production; microalgae; nutrient removal
Subjects: Others > Waste water management
Civil Engineering > Water resources engineering
Divisions: Department of Civil Engineering
Depositing User: Team Library
Date Deposited: 21 Sep 2017 10:28
Last Modified: 21 Sep 2017 10:28
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