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

Author

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  • Changliang Nie

    (School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
    Shandong Provincial Engineering Center on Environmental Science and Technology, Jinan 250061, China)

  • Liqun Jiang

    (School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
    Shandong Provincial Engineering Center on Environmental Science and Technology, Jinan 250061, China)

  • Qingjie Hou

    (School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
    Shandong Provincial Engineering Center on Environmental Science and Technology, Jinan 250061, China)

  • Zhigang Yang

    (School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
    Shandong Provincial Engineering Center on Environmental Science and Technology, Jinan 250061, China)

  • Ze Yu

    (School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
    Shandong Provincial Engineering Center on Environmental Science and Technology, Jinan 250061, China)

  • Haiyan Pei

    (School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
    Shandong Provincial Engineering Center on Environmental Science and Technology, Jinan 250061, China
    State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China)

Abstract

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.

Suggested Citation

  • Changliang Nie & Liqun Jiang & Qingjie Hou & Zhigang Yang & Ze Yu & Haiyan Pei, 2020. "Heuristic Optimization of Culture Conditions for Stimulating Hyper-Accumulation of Biomass and Lipid in Golenkinia SDEC-16," Energies, MDPI, vol. 13(4), pages 1-15, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:4:p:964-:d:323412
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    References listed on IDEAS

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    1. Muhammad Maqsood Alam & Abdul Samad Mumtaz & Megan Russell & Melanie Grogger & Don Veverka & Patrick C. Hallenbeck, 2019. "Isolation and Characterization of Microalgae from Diverse Pakistani Habitats: Exploring Third-Generation Biofuel Potential," Energies, MDPI, vol. 12(14), pages 1-17, July.
    2. Nie, Changliang & Pei, Haiyan & Jiang, Liqun & Cheng, Juan & Han, Fei, 2018. "Growth of large-cell and easily-sedimentation microalgae Golenkinia SDEC-16 for biofuel production and campus sewage treatment," Renewable Energy, Elsevier, vol. 122(C), pages 517-525.
    3. Ramanna, Luveshan & Rawat, Ismail & Bux, Faizal, 2017. "Light enhancement strategies improve microalgal biomass productivity," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 765-773.
    4. Chia, Shir Reen & Ong, Hwai Chyuan & Chew, Kit Wayne & Show, Pau Loke & Phang, Siew-Moi & Ling, Tau Chuan & Nagarajan, Dillirani & Lee, Duu-Jong & Chang, Jo-Shu, 2018. "Sustainable approaches for algae utilisation in bioenergy production," Renewable Energy, Elsevier, vol. 129(PB), pages 838-852.
    5. Sajjadi, Baharak & Chen, Wei-Yin & Raman, Abdul. Aziz. Abdul & Ibrahim, Shaliza, 2018. "Microalgae lipid and biomass for biofuel production: A comprehensive review on lipid enhancement strategies and their effects on fatty acid composition," Renewable and Sustainable Energy Reviews, Elsevier, vol. 97(C), pages 200-232.
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    Cited by:

    1. Ana F. Esteves & Eva M. Salgado & José C. M. Pires, 2022. "Recent Advances in Microalgal Biorefineries," Energies, MDPI, vol. 15(16), pages 1-4, August.
    2. Jiang, Liqun & Li, Yizhen & Pei, Haiyan, 2021. "Algal–bacterial consortia for bioproduct generation and wastewater treatment," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).

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