Lipid accumulation and CO<sub>2</sub> utilization of two marine oil-rich microalgal strains in response to CO<sub>2</sub> aeration

WANG Shuai; ZHENG Li; HAN Xiaotian; YANG Baijuan; LI Jingxi; SUN Chengjun

doi:10.1007/s13131-018-1171-y

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Article Navigation > Acta Oceanologica Sinica > 2018 > 37(2): 119-126

WANG Shuai, ZHENG Li, HAN Xiaotian, YANG Baijuan, LI Jingxi, SUN Chengjun. Lipid accumulation and CO2 utilization of two marine oil-rich microalgal strains in response to CO2 aeration[J]. Acta Oceanologica Sinica, 2018, 37(2): 119-126. doi: 10.1007/s13131-018-1171-y

Citation:

WANG Shuai, ZHENG Li, HAN Xiaotian, YANG Baijuan, LI Jingxi, SUN Chengjun. Lipid accumulation and CO₂ utilization of two marine oil-rich microalgal strains in response to CO₂ aeration[J]. Acta Oceanologica Sinica, 2018, 37(2): 119-126. doi: 10.1007/s13131-018-1171-y

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Lipid accumulation and CO₂ utilization of two marine oil-rich microalgal strains in response to CO₂ aeration

doi: 10.1007/s13131-018-1171-y

1.
Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology, the First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
2.
Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology, the First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
3.
Key Laboratory of Marine Ecology and Environmental Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

Received Date: 2017-05-04
Rev Recd Date: 2011-06-14

Abstract

Abstract

Biological CO₂ sequestration by microalgae is a promising and environmentally friendly technology applied to sequester CO₂. The characteristics of neutral lipid accumulation by two marine oil-rich microalgal strains, namely, Isochrysis galbana and Nannochloropsis sp., through CO₂ enrichment cultivation were investigated in this study. The optimum culture conditions of the two microalgal strains are 10% CO₂ and f medium. The maximum biomass productivity, total lipid content, maximum lipid productivity, carbon content, and CO₂ fixation ability of the two microalgal strains were obtained. The corresponding parameters of the two strains were as follows: ((142.42±4.58) g/(m²·d), (149.92±1.80) g/(m²·d)), ((39.95±0.77)%, (37.91±0.58)%), ((84.47±1.56) g/(m²·d), (89.90±1.98) g/(m²·d)), ((45.98±1.75)%, (46.88±2.01)%), and ((33.74±1.65) g/(m²·d), (34.08±1.32) g/(m²·d)). Results indicated that the two marine microalgal strains with high CO₂ fixation ability are potential strains for marine biodiesel development coupled with CO₂ emission reduction.
- Isochrysis galbana,
- Nannochloropsis sp.,
- CO₂ enrichment cultivation,
- neutral lipid,
- biodiesel,
- open raceway pond

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References(41)

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