期刊
CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY
卷 22, 期 8, 页码 1735-1743出版社
SPRINGER
DOI: 10.1007/s10098-020-01912-0
关键词
Cyanobacteria; Synechococcus elongatus; CO(2)biofixation; Greenhouse gases
Carbon dioxide emission, which acts as one of the major agents of greenhouse gases (GHG), has significant effects on global warming. Nowadays, there is a considerable global tendency toward decreasing the amount of GHG emissions to the atmosphere. In the present study, a simulated power plant flue gas (Be'sat, Power Plant, Tehran) with a constant injection rate of 21.41 cm(3) s(-1), including 10% CO2, 7% O-2 and 83% N-2, was injected to theSynechococcus elongatusculture under two different light-dark (L/D) cycles: 24-0 and 16-8. Additionally, the biomass productivity and the CO2 biofixation rate by microorganisms were investigated. The highest biomass productivities were recorded as 0.68 and 0.52 g L(-1)d(-1) for 24-0 and 16-8 L/D cycles, respectively. Furthermore, the maximum rate of the CO2 biofixation was 1.26 g L-1 d(-1) for the 24-0 L/D cycle and 0.98 g L-1 d(-1) for the 16-8 L/D cycle during the cultivation. [GRAPHICS] .
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