Influence of CO2 and light spectra on the enhancement of microalgal growth and lipid content
- Authors
- Kumar, Muthukannan Satheesh; Hwang, Jae-Hoon; Abou-Shanab, Reda A. I.; Kabra, Akhil N.; Ji, Min-Kyu; Jeon, Byong Hun
- Issue Date
- Nov-2014
- Publisher
- AMER INST PHYSICS
- Citation
- JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY, v.6, no.6, pp.1 - 8
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
- Volume
- 6
- Number
- 6
- Start Page
- 1
- End Page
- 8
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/158737
- DOI
- 10.1063/1.4901541
- ISSN
- 1941-7012
- Abstract
- The effect of different light spectrum and CO2 concentrations on the growth and lipid content of Micractinium pusillum and Ourococcus multisporus was investigated. The highest biomass yields (2.9 and 2.6 g-dry cell weight l(-1)) were observed for M. pusillum and O. multisporus, respectively, at 5% CO2 with red light illumination. Red light spectrum with 5% CO2 supported the highest lipid contents (20% and 27%) and lipid productivity (32 and 36 mg l(-1) d(-1)) for M. pusillum and O. multisporus, respectively. The highest fatty acid methyl esters content for both microalgal species was observed under red light spectrum and 5% CO2 conditions, with the oleic acid fraction ranging between 35% and 37%. This study showed that the red light spectrum and 5% CO2 were the optimum conditions for maximum growth, lipid content and lipid productivity of both microalgae species, which could be further exploited to establish a microalga-based biodiesel production strategy.
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