Growth of large-cell and easily-sedimentation microalgae Golenkinia SDEC-16 for biofuel production and campus sewage treatment

Nie, Changliang; Pei, Haiyan; Jiang, Liqun; Cheng, Juan; Han, Fang

doi:10.1016/j.renene.2018.02.005

Cited by 32 publications

(14 citation statements)

References 40 publications

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“…Lipid content is enhanced by increasing light intensity through activating critical enzymes in the synthesis process of fatty acid [36]. Previous work showed lipid content for Golenkinia SDEC-16 was 37.8% in BG11 under the 5,000 lux on day eight [5]. In the present work, the lipid content was promoted under the 10,000 lux and 15,000 lux but sharply dropped under the 20,000 lux and 25,000 lux, respectively, stating that there is a peak of light intensity that can benefit lipid synthesis.…”

Section: Discussionmentioning

confidence: 99%

“…Recently, we discovered Golenkinia SDEC-16 with a large and spiny cell and easy self-sediment for harvest [5], exhibiting great potential in both biomass yield and lipid accumulation. However, the biomass concentration (2.09 g/L) and lipid content (30.43%) of Golenkinia SDEC-16 [5] are still lower than the reported values (e.g., 4.72 g/L of biomass concentration and 71.45% of lipid content in Eustigmatos cf. polyphem) [6].…”

Section: Introductionmentioning

confidence: 99%

“…under different culture conditions are rare in comparison to the widely used strains. To our knowledge, the topics are concentrated on synthesis of chlorophyll [8], nutrition utilization under heterotrophic or autotrophic [9][10][11], physiology and ultrastructure [12,13], phylogenetic analysis [14][15][16], feedstock for target organic matters synthesis [17], hydrolysis of cells for carbohydrate extraction [18,19], biomass for bioenergy and wastewater treatment [5,20], etc. So, it is necessary to test the effects of culture conditions on Golenkinia SDEC- 16.…”

Section: Introductionmentioning

confidence: 99%

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Heuristic Optimization of Culture Conditions for Stimulating Hyper-Accumulation of Biomass and Lipid in Golenkinia SDEC-16

et al. 2020

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Overproduction of biomass and hyper-accumulation of lipids endow microalgae with promising characteristics to realize the cost-effective potential of advanced bioenergy. This study sought to heuristically optimize the culture conditions on a rarely reported Golenkinia sp. The results indicate that Golenkinia SDEC-16 can withstand the strong light intensity and grow in a modified BG11 medium. The optimal culture conditions for the favorable tradeoff between biomass and lipid accumulation were suggested as follows, 25,000 lux of light intensity, 9 mM of initial nitrogen concentration, and 20 mM of initial sodium chloride concentration. Under these conditions, the biomass concentration and productivity reached 6.65 g/L and 545 mg/L/d, and the synchronous lipid content and productivity reached 54.38% and 296.39 mg/L/d. Hypersalinity significantly promoted lipid contents at the cost of biomass and resulted in an increase of cell size but loss of spines of Golenkinia SDEC-16. The results shed new light on optimizing biomass and lipid productivity.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Heuristic Optimization of Culture Conditions for Stimulating Hyper-Accumulation of Biomass and Lipid in Golenkinia SDEC-16

et al. 2020

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“…Production. Golenkinia SDEC-16 manifested the promising characteristics as an oleaginous candidate for bioenergy production in previous work [14]. To achieve the goal of economic production, the application into wastewater treatment coupling with biofuel production is a favorable choice.…”

Section: Effects Of the Different Monochromatic Lights On Biomass Andmentioning

confidence: 99%

“…Previously, we discovered that the Golenkinia SDEC-16, under the general culture conditions, exhibited highly effective nutrient removal, favorable biomass output, and easily harvesting [14]. What is more, there are few relevant studies concerning varying culture conditions in the field of wastewater treatment in comparison with the widely used strains.…”

Section: Introductionmentioning

confidence: 99%

Campus Sewage Treatment by Golenkinia SDEC-16 and Biofuel Production under Monochromic Light

Nie

Jiang

et al. 2020

Journal of Chemistry

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The integration of microalgal cultivation in wastewater can fulfill the dual roles of pollutant degradation and biomass output. Meanwhile, the LED lights with different wavelengths have a great effect on the growth and metabolism of microalgae. In this study, Golenkinia SDEC-16, a strain isolated for biofuel production, was evaluated to verify its potentials for campus sewage treatment and lipid accumulation under the red, green, and blue lights. The results indicated that the treated campus sewage met the first grade level in the Chinese pollutant discharge standards for municipal wastewater treatment plants within seven days under both red and blue light. The green light failed to exhibit excellent performance in nutrient removal, but facilitated the lipid synthesis as high as 42.99 ± 3.48%. The increased lipid content was achieved along with low biomass accumulation owing to low effective light utilization, indicating that the green light could be merely used as a stimulus strategy. The red light benefited the photosynthesis of Golenkinia SDEC-16, with the maximal biomass concentration of 0.80 ± 0.03 g/L and lipid content of 36.90 ± 3.62%, which can attain the optimal balance between biomass production and lipid synthesis.

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A Review of Biomass Impact and Energy Conversion

Subashri

Mahalingam

2022

Renewable Energy for Sustainable Growth Assessment

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Growth of large-cell and easily-sedimentation microalgae Golenkinia SDEC-16 for biofuel production and campus sewage treatment

Cited by 32 publications

References 40 publications

Heuristic Optimization of Culture Conditions for Stimulating Hyper-Accumulation of Biomass and Lipid in Golenkinia SDEC-16

Heuristic Optimization of Culture Conditions for Stimulating Hyper-Accumulation of Biomass and Lipid in Golenkinia SDEC-16

Campus Sewage Treatment by Golenkinia SDEC-16 and Biofuel Production under Monochromic Light

A Review of Biomass Impact and Energy Conversion

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