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Photoautotrophic outdoor two-stage cultivation for oleaginous microalgae Scenedesmus obtusus XJ-15
Xia, Ling1,2; Ge, Hongmei1,2; Zhou, Xuping1,2; Zhang, Delu3; Hu, Chunxiang1; Hu, CX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
2013-09-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume144Pages:261-267
AbstractIn 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.; 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.
SubtypeArticle
KeywordScenedesmus Obtusus Xj-15 Biodiesel Outdoors Photoautotrophic Two-stage Cultivation Lipid Induction
Department[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
DOI10.1016/j.biortech.2013.06.112
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Funding OrganizationNational 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) ; 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) ; 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) ; 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)
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000324280100037
WOS KeywordCARBON-DIOXIDE FIXATION ; OBLIQUUS CNW-N ; BIODIESEL PRODUCTION ; LIPID-ACCUMULATION ; NITROGEN STARVATION ; GROWTH ; DUNALIELLA ; BIOMASS ; CO2 ; SALINITY
Funding OrganizationNational 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) ; 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) ; 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) ; 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)
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19626
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorHu, CX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China.
Affiliation1.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
GB/T 7714
Xia, Ling,Ge, Hongmei,Zhou, Xuping,et al. Photoautotrophic outdoor two-stage cultivation for oleaginous microalgae Scenedesmus obtusus XJ-15[J]. BIORESOURCE TECHNOLOGY,2013,144:261-267.
APA Xia, Ling,Ge, Hongmei,Zhou, Xuping,Zhang, Delu,Hu, Chunxiang,&Hu, CX .(2013).Photoautotrophic outdoor two-stage cultivation for oleaginous microalgae Scenedesmus obtusus XJ-15.BIORESOURCE TECHNOLOGY,144,261-267.
MLA Xia, Ling,et al."Photoautotrophic outdoor two-stage cultivation for oleaginous microalgae Scenedesmus obtusus XJ-15".BIORESOURCE TECHNOLOGY 144(2013):261-267.
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