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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | Kim, Garam Choi, Wookjin Lee, Kisay |
Description | Author Affiliation: Choi W ( Department of Environmental Engineering and Energy, Myongji University, Yongin 449-728, Republic of Korea.) |
Abstract | The influence of monoethanolamine (MEA) as a CO(2) absorbent on photoautotrophic culture of CO(2)-fixing microalgae was investigated. When 300 ppm MEA (4.92 mM) was added to blank culture medium, the dissolved inorganic carbon and the molar absorption ratio increased to 51.0mg/L and 0.34 mol CO2 = mol MEA, respectively, which was an almost 6-fold increase in CO(2) solubility. When free MEA up to 300 mg/L was added to a green alga Scenedesmus sp. culture that was supplied 5% (v/v) CO(2) at 0.1 vvm, both cell growth rate and final cell density were enhanced compared to when no MEA was added. The cell growth rate reached 288.6 mg/L/d, which was equivalent to 539.6 mg-CO(2)/L/d as a CO(2)-fixation rate and enhancement of about 63.0% compared to not adding MEA. Chlorophyll-a content and nitrate consumption rate increased correspondingly. MEA doses higher than 400mg/L inhibited cell growth, probably due to toxicity of the carbamate intermediate. |
ISSN | 09608524 |
Volume Number | 120 |
e-ISSN | 18732976 |
Journal | Bioresource Technology |
Language | English |
Publisher | Elsevier |
Publisher Date | 2012-09-01 |
Publisher Place | Great Britain (UK) |
Access Restriction | Subscribed |
Subject Keyword | Carbon Cycle Drug Effects Carbon Dioxide Chemistry Ethanolamine Pharmacology Scenedesmus Growth & Development Metabolism Absorption Carbon Analysis Culture Media Cytology Solubility Journal Article Research Support, Non-u.s. Gov't Discipline Bioresource |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Eukaryota Inorganic Chemicals Organic Chemicals Chemical Actions and Uses Physical Phenomena Chemical Phenomena |
Subject | Bioengineering Renewable Energy, Sustainability and the Environment Waste Management and Disposal Environmental Engineering Medicine |
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