LAPSE:2023.26528v1
Published Article
LAPSE:2023.26528v1
Evaluation of Scenedesmus rubescens for Lipid Production from Swine Wastewater Blended with Municipal Wastewater
April 3, 2023
Abstract
This study examined the feasibility of using non-sterilized swine wastewater for lipid production by an isolated microalga, Scenedesmus rubescens. Different dilution ratios using municipal wastewater as a diluent were tested to determine the suitable levels of microalgal growth in the wastewaters, its nutrient removal, and its lipid production. The highest lipid productivity (8.37 mg/L/d) and NH4+ removal (76.49%) were achieved in swine wastewater that had been diluted to 30 times using municipal wastewater. Various bacteria coexisted in the wastewaters during the cultivation of S. rubescens. These results suggest the practical feasibility of a system to produce lipids from swine wastewater by using microalgae.
This study examined the feasibility of using non-sterilized swine wastewater for lipid production by an isolated microalga, Scenedesmus rubescens. Different dilution ratios using municipal wastewater as a diluent were tested to determine the suitable levels of microalgal growth in the wastewaters, its nutrient removal, and its lipid production. The highest lipid productivity (8.37 mg/L/d) and NH4+ removal (76.49%) were achieved in swine wastewater that had been diluted to 30 times using municipal wastewater. Various bacteria coexisted in the wastewaters during the cultivation of S. rubescens. These results suggest the practical feasibility of a system to produce lipids from swine wastewater by using microalgae.
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Keywords
lipids, microalgae, microbial community, swine wastewater
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Suggested Citation
Utomo JC, Kim YM, Cho HU, Park JM. Evaluation of Scenedesmus rubescens for Lipid Production from Swine Wastewater Blended with Municipal Wastewater. (2023). LAPSE:2023.26528v1
Author Affiliations
Utomo JC: Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 37673, Korea
Kim YM: Department of Civil and Environmental Engineering, Hanyang University, Seongdong-gu, Seoul 04763, Korea
Cho HU: Department of Marine Environmental Engineering, Gyeongsang National University, Gyeongnam 53064, Korea
Park JM: Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 37673, Korea; School of Environmental Science and Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 37673, Korea; Division of Adva
Kim YM: Department of Civil and Environmental Engineering, Hanyang University, Seongdong-gu, Seoul 04763, Korea
Cho HU: Department of Marine Environmental Engineering, Gyeongsang National University, Gyeongnam 53064, Korea
Park JM: Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 37673, Korea; School of Environmental Science and Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 37673, Korea; Division of Adva
Journal Name
Energies
Volume
13
Issue
18
Article Number
E4895
Year
2020
Publication Date
2020-09-18
ISSN
1996-1073
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PII: en13184895, Publication Type: Journal Article
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LAPSE:2023.26528v1
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https://doi.org/10.3390/en13184895
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Apr 3, 2023
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