Effect of flue gas CO2 on the growth, carbohydrate and fatty acid composition of a green microalga Scenedesmus obliquus for biofuel production
- Effect of flue gas CO2 on the growth, carbohydrate and fatty acid composition of a green microalga Scenedesmus obliquus for biofuel production
- 최재영; 윤현식; 지민규; 황재훈; El-Sayed Salama; 전병훈
- Flue gas CO2; microalgae; S. obliquus; biomass; bioenergy
- Issue Date
- Environmental technology
- VOL 38, NO 16-2092
- Effect of various flue gas CO2 concentrations (5%, 10% and 14.1%) on growth rate and biochemical properties of a green microalga Scenedesmus obliquus was investigated. S. obliquus showed the highest biomass production and growth rate (0.36  g  L− 1 and μmax  =  1.00  day− 1), total inorganic carbon removal (35.8  mg  1), lipid productivity (9.9  1  day) and carbohydrate productivity (10.3  day) with 14.1% CO2 after 8 days of cultivation. Fatty acid methyl ester analysis revealed that the palmitic and oleic acid contents were increased up to 5% and 7% with 14.1% CO2, respectively. Application of flue gas CO2 enhanced the growth along with lipid and carbohydrate productivity of S. obliquus, which can be exploited for reducing the CO2 concentration.
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