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学科主题: 物理化学
题名: Optimization of carbon dioxide fixation and starch accumulation by Tetraselmis subcordiformis in a rectangular airlift photobioreactor
作者: Zheng Y(郑阳) ;  Chen ZA(陈兆安) ;  Lu HB(陆洪斌) ;  Zhang W(张卫)
会议名称: Internationnal Conference on Biomass Energy Technologies
会议日期: 2010-8-21
出版日期: 2010-08-21
会议地点: 中国
其他题名: 亚心型扁藻在光生物反应器中对二氧化碳固定和淀粉积累的条件优化
通讯作者: 张卫
部门归属: 十八室
主办者: 中国可再生能源学会,中国化工学会,中国石油学会炼制分会,中国生物工程学会,国际生物炼制学会
摘要: Culture conditions are very important to CO2 bio-fixation and carbohydrate accumulation in microalgae. The objective of the present study is to optimize semi-continuous culture conditions of Tetraselmis subcordiformis in a rectangular airlift photobioreactor for obtaining maximized carbon dioxide fixation rate and intracellular starch productivity. The effects of the initial biomass concentration (0.13, 0.8, 1.8, 2.8 and 3.47 g L-1), the gas flow rate (0.03, 0.1, 0.2, 0.3 and 0.37 V V-1 m-1) and different carbon dioxide concentrations (1.63, 5, 10, 15 and 18.37%) were considered using a central composite design. By using response surface methodology and the desirability function approach, the optimal CO2 fixation rate (55.15 mg L-1 h-1) and intracellular starch productivity (10.66 mg L-1 h-1) occurred when the initial biomass concentration was 1120 mg L-1, and the air supplemental CO2 concentration was 6.9% with a gas flow rate of 0.346 V V-1 m-1. These results suggest the potential of applying Tetraselmis subcordiform to CO2 mitigation and starch production.
语种: 中文
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内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/114196
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Zheng Y,Chen ZA,Lu HB,et al. Optimization of carbon dioxide fixation and starch accumulation by Tetraselmis subcordiformis in a rectangular airlift photobioreactor[C]. 见:Internationnal Conference on Biomass Energy Technologies. 中国. 2010-8-21.
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