Cultivation of microalgae species in tertiary municipal wastewater supplemented with CO2 for nutrient removal and biomass production
- Authors
- Ji, Min-Kyu; Abou-Shanab, Reda A. I.; Kim, Seong-Heon; Salama, El-Sayed; Lee, Sang-Hun; Kabra, Akhil N.; Lee, Youn-Suk; Hong, Sungwoo; Jeon, Byong Hun
- Issue Date
- Sep-2013
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- BiodieselChlorella vulgarisDomestic wastewaterCO2Biomass yieldNutrient uptake
- Citation
- ECOLOGICAL ENGINEERING, v.58, pp.142 - 148
- Indexed
- SCIE
SCOPUS
- Journal Title
- ECOLOGICAL ENGINEERING
- Volume
- 58
- Start Page
- 142
- End Page
- 148
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/161910
- DOI
- 10.1016/j.ecoleng.2013.06.020
- ISSN
- 0925-8574
- Abstract
- This study demonstrates the potential for algae-based biofuel production by coupling advanced wastewater treatment with microalgae cultivation for low-cost lipid production. Three species (Chlorella vulgaris, Scenedesmus obliquus and Ourococcus multisporus) with higher biomass yield were selected and cultured in wastewater amended with 15% CO2. C. vulgaris, S. obliquus and O. multisporus showed optimal specific growth rates (mu(opt)) of 1.37, 1.14 and 1.00 day(-1), respectively, and almost complete removal (˃99%) of nitrogen and phosphorus within 4 days. The highest specific lipid productivity was 0.164 g-lipids g-cell(-1) day(-1) and oleic acid was increased to 44% in C. vulgaris after 7 days of cultivation in the presence of CO2. It was concluded that C. vulgaris is a good potential source for the production of biodiesel coupled with nutrient removal from wastewater.
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