CARBON DIOXIDE FIXATION AND α-LINOLENIC ACID PRODUCTION BY THE HOT-SPRING ALGA CYANIDIUM CALDARIUM
スポンサーリンク
概要
- 論文の詳細を見る
Focusing on CO2 fixation and α-linolenic acid (ALA) production, photoautotrophic cultivation of the hot-spring alga Cyanidium caldarium was investigated using Allen’s medium under a 5% CO2-enriched atmosphere. Although the growth rate was maximum at ca. 40°C, the optimum cultivation conditions (temperature, H+ concentration in the medium and light intensity) for ALA production were found to be 30°C, pH 2.0–4.0 and ca. 10,000 lux respectively. Simulation of a chemostat cultivation at these optimum conditions showed that the rates of CO2 fixation and of ALA production could reach 0.75 kg- CO2/(kg-cells·d) and 5.44 g-ALA/(kg-cells·d), respectively, in the exponential phase. This rate of CO2 fixation corresponded to 0.030 kg-CO2/(m3·h) at a cell concentration of 0.96 kg/m3. This activity of C. caldarium for CO2 fixation was comparable to that of blue-green algae and was 10 to 100 times greater than that of green plants. Thus, C. caldarium was shown to be useful for the fixation of CO2.
- 社団法人 化学工学会の論文
- 1994-06-20
著者
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Akimoto M
Hokkaido Forestry Research Inst. Hokkaido Jpn
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AKIMOTO Masamichi
Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Niigata Institute of Tech
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OHTAGUCHI Kazuhisa
Department of Chemical Engineering, Tokyo Institute of Technology
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Koide Kozo
Department Fo Chemical Engineering Tokyo Institute Of Technology
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Ohara Tetsuya
Department Of Chemical Engineering Tokyo Institute Of Technology
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Akimoto Masamichi
Department Of Applied Chemistry And Biotechnology Faculty Of Engineering Niigata Institute Of Techno
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Ohtaguchi K
Tokyo Inst. Technol. Tokyo Jpn
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Ohtaguchi Kazuhisa
Department Fo Chemical Engineering Tokyo Institute Of Technology
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