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Isolation of Novel Microalgae from Acid Mine Drainage and Its Potential Application for Biodiesel Production |
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| Authors: | Hyun-Shik Yun Hongkyun Lee Young-Tae Park Min-Kyu Ji Akhil N. Kabra Chung Jeon Byong-Hun Jeon Jaeyoung Choi |
| Affiliation: | 1. Department of Environmental Engineering, Yonsei University, Wonju, 220-710, South Korea 2. Korea Institute of Science and Technology, Gangneung Institute, 679 Saimdang-ro, Gangneung, 210-340, South Korea 3. Department of Chemical Engineering, Hanyang University, Seoul, 133-791, South Korea 4. Department of Biochemical Engineering, Gangneung-Wonju National University, Gangneung, 210-702, South Korea |
| Abstract: | Microalgae were selected and isolated from acid mine drainage in order to find microalgae species which could be cultivated in low pH condition. In the present investigation, 30 microalgae were isolated from ten locations of acid mine drainage in South Korea. Four microalgae were selected based on their growth rate, morphology, and identified as strains of KGE1, KGE3, KGE4, and KGE7. The dry biomass of microalgae species ranged between 1 and 2 g L?1 after 21 days of cultivation. The growth kinetics of microalgae was well described by logistic growth model. Among these, KGE7 has the highest biomass production (2.05?±?0.35 g L?1), lipid productivity (0.82?±?0.14 g L?1), and C16–C18 fatty acid contents (97.6 %). These results suggest that Scenedesmus sp. KGE 7 can be utilized for biodiesel production based on its high biomass and lipid productivity. |
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