碩士 / 大葉大學 / 環境工程學系碩士班 / 101 / Sodium bicarbonate was used as the carbon source for batch cultures of Nannochloropsis sp. in this study. Factors investigated for growth and lipid accumulation of Nannochloropsis sp. were culture pH, concentrations of sodium bicarbonate and sodium nitrate.
Higher biomass concentrations, biomass productivity and lipid content were obtained from cultures without the pH control. The highest biomass concentration was 0.8 g/L obtained in culture with the controlled condition of 12 g NaHCO3/L and 0.3 g NaNO3/L. The highest biomass productivity was 0.14 g/L/day at the forth day in culture with the initial condition of 9 g NaHCO3/L and 0.5 g NaNO3/L. The highest lipid content obtained in culture was 35% with the condition of 12 g NaHCO3/L and 0.1 g NaNO3/L. The biomass concentrations, productivities and lipid contents of cultures with pH control were lower than those without pH control, This was caused by pH fluctuation in the culture media, during algal growth.
| Identifer | oai:union.ndltd.org:TW/101DYU00515015 |
| Date | January 2013 |
| Creators | LO,CHANG-YU, 羅章鈺 |
| Contributors | YU,SHIH-TSUNG, 余世宗 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 75 |
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