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题名: Photoautotrophic outdoor two-stage cultivation for oleaginous microalgae Scenedesmus obtusus XJ-15
作者: Xia, Ling1, 2; Ge, Hongmei1, 2; Zhou, Xuping1, 2; Zhang, Delu3; Hu, Chunxiang1
通讯作者: Hu, CX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
关键词: Scenedesmus obtusus XJ-15 ; Biodiesel ; Outdoors ; Photoautotrophic two-stage cultivation ; Lipid induction
刊名: BIORESOURCE TECHNOLOGY
发表日期: 2013-09-01
DOI: 10.1016/j.biortech.2013.06.112
卷: 144, 页:261-267
收录类别: SCI
文章类型: Article
部门归属: [Xia, Ling ; Ge, Hongmei ; Zhou, Xuping ; Hu, Chunxiang] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China ; [Xia, Ling ; Ge, Hongmei ; Zhou, Xuping] Univ Chinese Acad Sci, Beijing 100039, Peoples R China ; [Zhang, Delu] Wuhan Univ Technol, Dept Biol Sci & Biotechnol, Wuhan 430070, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
资助者: National 863 program [2013AA065804]; Program of Sinopec Group; international partner program of innovation team (Chinese Academy of Sciences); Platform construction of oleaginous microalgae (Institute of Hydrobiology, CAS of China)
类目[WOS]: Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
研究领域[WOS]: Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
摘要: In this study, Scenedesmus obtusus XJ-15 was firstly selected from seven strains microalgae (Chlorophyta, Scenedesmaceae) and then cultivated using a two-stage strategy, which composed of fast cell growth in stage I and followed by lipid induction in stage II in 5-L flasks outdoors. In stage I, the biomass productivity was increased from 139.4 to 212.1 mg L-1 d(-1). In stage II, lipid content was increased from 26.1% to 47.7% by adding NaCl into the culture. This two-stage process was also realized in an 140-L photobioreactor outdoors, with a biomass productivity of 86.5 mg L-1 d(-1) and CO2 fixation rate of 170.0 mg L-1 d(-1) in the first stage, and high lipid content of 42.1% in the second stage. With such a culture strategy, the overall lipid productivity was improved and better biodiesel quality was obtained. These results suggested the photoautotrophic two-stage system was not only feasible but also effective. (C) 2013 Elsevier Ltd. All rights reserved.
英文摘要: In this study, Scenedesmus obtusus XJ-15 was firstly selected from seven strains microalgae (Chlorophyta, Scenedesmaceae) and then cultivated using a two-stage strategy, which composed of fast cell growth in stage I and followed by lipid induction in stage II in 5-L flasks outdoors. In stage I, the biomass productivity was increased from 139.4 to 212.1 mg L-1 d(-1). In stage II, lipid content was increased from 26.1% to 47.7% by adding NaCl into the culture. This two-stage process was also realized in an 140-L photobioreactor outdoors, with a biomass productivity of 86.5 mg L-1 d(-1) and CO2 fixation rate of 170.0 mg L-1 d(-1) in the first stage, and high lipid content of 42.1% in the second stage. With such a culture strategy, the overall lipid productivity was improved and better biodiesel quality was obtained. These results suggested the photoautotrophic two-stage system was not only feasible but also effective. (C) 2013 Elsevier Ltd. All rights reserved.
关键词[WOS]: CARBON-DIOXIDE FIXATION ; OBLIQUUS CNW-N ; BIODIESEL PRODUCTION ; LIPID-ACCUMULATION ; NITROGEN STARVATION ; GROWTH ; DUNALIELLA ; BIOMASS ; CO2 ; SALINITY
语种: 英语
WOS记录号: WOS:000324280100037
ISSN号: 0960-8524
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19626
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Wuhan Univ Technol, Dept Biol Sci & Biotechnol, Wuhan 430070, Peoples R China

Recommended Citation:
Xia, Ling; Ge, Hongmei; Zhou, Xuping; Zhang, Delu; Hu, Chunxiang.Photoautotrophic outdoor two-stage cultivation for oleaginous microalgae Scenedesmus obtusus XJ-15,BIORESOURCE TECHNOLOGY,2013,144():261-267
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