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题名: Optimization of carbon dioxide fixation and starch accumulation by Tetraselmis subcordiformis in a rectangular airlift photobioreactor
作者: Zheng, Yang1, 2;  Chen, Zhaoan1;  Lu, Hongbin1;  Zhang, Wei1, 3
关键词: Photobioreactor ;  CO(2) fixation rate ;  starch productivity ;  response surface methodology ;  desirability function approach
刊名: AFRICAN JOURNAL OF BIOTECHNOLOGY
发表日期: 2011-03-07
卷: 10, 期:10, 页:1888-1901
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology
研究领域[WOS]: Biotechnology & Applied Microbiology
英文摘要: Culture conditions are very important to CO(2) bio-fixation and carbohydrate accumulation in microalgae. The objective of this study was 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 CO(2) fixation rate of 55.15 mg L(-1) h(-1) and the intracellular starch productivity of 10.66 mg L(-1) h(-1) occurred when the initial biomass concentration was 1120 mg L(-1) and the air supplemental CO(2) concentration was 6.9% with a gas flow rate of 0.35 V V(-1) m(-1). These results suggest the potential of applying T. subcordiform to CO(2) mitigation and starch production.
关键词[WOS]: FLAT-PLATE PHOTOBIOREACTOR ;  GREEN-ALGA ;  PHAEODACTYLUM-TRICORNUTUM ;  BIOCHEMICAL-COMPOSITION ;  CHLOROCOCCUM-LITTORALE ;  BIOMASS PRODUCTION ;  ETHANOL-PRODUCTION ;  DENSITY CULTURE ;  MASS-TRANSFER ;  GROWTH
语种: 英语
WOS记录号: WOS:000290093000022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142386
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Marine Bioprod Engn Grp, Dalian, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Flinders Univ S Australia, Sch Med, Flinders Ctr Marine Bioproc & Bioprod, Adelaide, SA 5042, Australia

Recommended Citation:
Zheng, Yang,Chen, Zhaoan,Lu, Hongbin,et al. Optimization of carbon dioxide fixation and starch accumulation by Tetraselmis subcordiformis in a rectangular airlift photobioreactor[J]. AFRICAN JOURNAL OF BIOTECHNOLOGY,2011,10(10):1888-1901.
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