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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제25권 제12호
- 발행연도
- 2015.1
- 수록면
- 2,116 - 2,124 (9page)
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To understand the effects of physicochemical factors on nitrite transformation by microalgae, a lipid-rich Chlorella with high nitrite tolerance was cultured with 8 mmol/l sodium nitrite as sole nitrogen source under different conditions. The results showed that nitrite transformation was mainly dependent on the metabolic activities of algal cells rather than oxidation of nitrite by dissolved oxygen. Light intensity, temperature, pH, NaHCO3 concentrations, and initial cell densities had significant effects on the rate of nitrite transformation. Single-factor experiments revealed that the optimum conditions for nitrite transformation were light intensity: 300 μmol/m2/s; temperature: 30°C; pH: 7–8; NaHCO3 concentration: 2.0 g/l; and initial cell density: 0.15 g/l; and the highest nitrite transformation rate of 1.36 mmol/l/d was achieved. There was a positive correlation between nitrite transformation rate and the growth of Chlorella. The relationship between nitrite transformation rate (mg/l/d) and biomass productivity (g/l/d) could be described by the regression equation y = 61.3x (R2 = 0.9665), meaning that 61.3 mg N element was assimilated by 1.0 g dry biomass on average, which indicated that the nitrite transformation is a process of consuming nitrite as nitrogen source by Chlorella. The results demonstrated that the Chlorella suspension was able to assimilate nitrite efficiently, which implied the feasibility of using flue gas for mass production of Chlorella without preliminary removal of NOX.
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참고문헌 (25)
참고문헌 신청
Bernard O / 2012 / Validation of a simple model accounting for light and temperature effect on microalgal growth / Bioresour. Technol 123 : 520 ~ 527
Brown LM / 1996 / Uptake of carbon dioxide from flue gas by microalgae / Energy Conv. Manag 37 : 1363 ~ 1367
Chen WM / 2011 / Effect of nitrite on growth and microcystins production of Microcystis aeruginosa PCC7806 / J. Appl. Phycol 23 : 665 ~ 671
Chisti Y. / 2007 / Biodiesel from microalgae / Biotechnol. Adv 25 : 294 ~ 306
Dora J / 2009 / Parametric studies of the effectiveness of NO oxidation process by ozone / Chem. Process Eng 30 : 621 ~ 633
Brown LM / 1996 / Uptake of carbon dioxide from flue gas by microalgae / Energy Conv. Manag 37 : 1363 ~ 1367
Chen WM / 2011 / Effect of nitrite on growth and microcystins production of Microcystis aeruginosa PCC7806 / J. Appl. Phycol 23 : 665 ~ 671
Chisti Y. / 2007 / Biodiesel from microalgae / Biotechnol. Adv 25 : 294 ~ 306
Dora J / 2009 / Parametric studies of the effectiveness of NO oxidation process by ozone / Chem. Process Eng 30 : 621 ~ 633
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