| Title | Microalgae as a single-pot system for nutrient removal and wastewater treatment: comparison of effluents and species performance |
|---|---|
| ID_Doc | 23535 |
| Authors | Gowd, SC; Mehta, K; Ganeshan, P; Murugaiyan, J; Pancha, I; Rajendran, K |
| Title | Microalgae as a single-pot system for nutrient removal and wastewater treatment: comparison of effluents and species performance |
| Year | 2024 |
| Published | |
| Abstract | Microalgae paves the way towards a negative emission technology; however, single-pot systems combining nutrient removal and wastewater treatment are scarce in the literature. In this study, three different types of wastewater (university, municipality, and dairy industries) were studied using microalgae towards treatment and nutrient removal using Scenedesmus sp. and Chlorella sp. The experiments were carried out in 20 L reactors, for 9 days, where in achieving a maximum of algal growth rate of 770 and 725 mg/L for Scenedesmus sp. and Chlorella sp., respectively. Of the three wastewaters, dairy wastewater had the highest influent COD (3488 mg/L), which was reduced by 92% after 9 days. The pigment content was highest after 6 days (0.22 +/- 0.03%), and there was no significant improvement after 9 days, suggesting a trade-off between nutrient removal, photosynthetic performance, and COD reduction. Microalgae act as a sustainable solution and negative emission technology to solve the crisis of wastewater treatment, nutrient removal and production of high-value products.Graphical abstractSingle-pot microalage-based nutrient removal and wastewater treatment system |
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