Subject Area物理化学
Optimization of carbon dioxide fixation and starch accumulation by Tetraselmis subcordiformis in a rectangular airlift photobioreactor
Zheng Y(郑阳); Chen ZA(陈兆安); Lu HB(陆洪斌); Zhang W(张卫)
Conference NameInternationnal Conference on Biomass Energy Technologies
Conference Date2010-8-21
Conference Place中国
Alternative Title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
Funding Organization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
AbstractCulture 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.
WOS IDWOS:000290093000022
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Corresponding AuthorZhang W(张卫)
Recommended Citation
GB/T 7714
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],2010:141/2.
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