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

富油微藻富碳培养下油脂积累及固碳研究

doi: 10.1007/s13131-018-1171-y

1.
海洋活性物质与现代分析技术国家海洋局重点实验室国家海洋局第一海洋研究所, 山东青岛 266061
2.
海洋活性物质与现代分析技术国家海洋局重点实验室国家海洋局第一海洋研究所, 山东青岛 266061;青岛海洋科学与技术国家实验室海洋生态与环境科学功能实验室, 山东青岛 266071
3.
海洋生态与环境科学重点实验室中科院海洋所, 山东青岛 266071

基金项目: The Basic Scientific Fund for National Public Research Institutes of China under contract Nos 2017Q09 and 2016Q02; the National Natural Science Foundation of China under contract No. 41776176; the National Key Research and Development Program of China under contract No. 2017YFC1404604; the Shandong Provincial Natural Science Foundation under contract No. ZR2015PD003; the 2012 Taishan Scholar.

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- 收稿日期: 2017-05-04
- 修回日期: 2011-06-14

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

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

摘要

摘要: 微藻固碳是一种新型节能减排技术，具有长期可持续发展的潜力。本文对两株富油微藻（球等鞭金藻和微拟球藻）进行了富碳培养下生长特性及中性脂积累特性的研究。两株富油微藻的最佳培养条件为10%CO₂浓度和f培养基。本研究对两株富油微藻的最大生物量产率、总脂含量、最大油脂产率、微藻的C含量和CO₂固定率进行了测定。球等鞭金藻的各参数指标分别为：142.42±4.58g/（m²·d），39.95%±0.77%，84.47±1.56g/（m²·d），45.98%±1.75%和33.74±1.65g/（m²·d）。微拟球藻的各参数指标分别为：149.92±1.80g/（m²·d），37.91%±0.58%，89.90±1.98g/（m²·d），46.88%±2.01%和34.08±1.32g/（m²·d）。实验结果显示，两株海洋微藻均属于高固碳优良藻株，适合应用于微藻烟气减排技术开发，具备用于海洋生物质能耦合CO₂减排开发的潜力。
- 球等鞭金藻 /
- 微拟球藻 /
- CO₂富碳培养 /
- 中性脂 /
- 生物柴油 /
- 跑道池
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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参考文献(41)

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富油微藻富碳培养下油脂积累及固碳研究

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

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