Biosequestration of industrial off-gas CO2 for enhanced lipid productivity in open microalgae cultivation systems

被引:60
|
作者
Hosseini, Nekoo Seyed [1 ]
Shang, Helen [1 ]
Scott, John Ashley [1 ,2 ]
机构
[1] Laurentian Univ, Bharti Sch Engn, 935 Ramsey Lake Rd, Sudbury, ON P3E 2C6, Canada
[2] Northern Ontario Sch Med, Sudbury, ON, Canada
来源
基金
加拿大自然科学与工程研究理事会;
关键词
Microalgae; CO2; Off-gas; Enhanced lipid; Biodiesel; Open system; CARBON-DIOXIDE CAPTURE; FATTY-ACID-COMPOSITION; WASTE-WATER TREATMENT; ALGAL BIOFUEL PRODUCTION; CEMENT FLUE-GAS; OXIDATIVE STRESS; RACEWAY PONDS; NANNOCHLOROPSIS-OCULATA; CHLORELLA-VULGARIS; ATMOSPHERIC CO2;
D O I
10.1016/j.rser.2018.04.086
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Utilizing industrial off-gas CO2 in open system photosynthetic microalgae cultivation is a biological means to mitigate greenhouse gas emissions. The captured CO2 can also enhance production of microalgal lipids for conversion into biodiesel. However, environmental stressors such as temperature, pH, luminosity, salinity, metal toxicity, nutrient availability, and shear stress can impact the CO2 fixation process and lipid biosynthesis. We discuss the mechanisms of carbon fixation and lipid synthesis in microalgal cells, commercial microalgae cultivation systems, and the limitations and potentials of utilizing industrial off-gases. The influences of operational and environmental factors on CO2 sequestration rates and lipid production, as well as manipulative approaches for enhanced lipid production are also reviewed.
引用
收藏
页码:458 / 469
页数:12
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