期刊
BIORESOURCE TECHNOLOGY
卷 184, 期 -, 页码 53-62出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.09.054
关键词
Algae; Biofuels; Chlorella; Lipid; Outdoor photobioreactor
资金
- Shanghai Early Career Faculty Program [ZZHY13005]
- Shanghai Pujiang Program [13PJ1403500]
- Special Project of Marine Renewable Energy from the State Oceanic Administration [SHME2011SW02]
- Shanghai Universities First-class Discipline Project of Marine Sciences
- Doctoral Fund of Ministry of Education of China [20133104120004]
The growth and oil production of nine Chlorella strains were comparatively assessed and Chlorella protothecoides CS-41 demonstrated the greatest lipid production potential. The effects of different nitrogen forms and concentrations, phosphorus concentrations and light intensities on growth and oil production were studied in laboratory columns. C. protothecoides CS-41 accumulated lipids up to 55% of dry weight, with triacylglycerol and oleic acid being 71% of total lipids and 59% of total fatty acids, respectively. High biomass and lipid productivities were achieved in outdoor panel PBRs, up to 1.25 and 0.59 g L-1 day(-1), or 44. 1 and 16.1 g m(-2) day(-1), respectively. A two-stage cultivation strategy was proposed to enhance the algal biomass and lipid production. This is the first comprehensive investigation of both indoor and outdoor photoautotrophic C. protothecoides cultures for oil production, and C. protothecoides CS-41 represents a promising biofuel feedstock worthy of further exploration. (C) 2014 Elsevier Ltd. All rights reserved.
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