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Cultivation of microalga, Chlorella vulgaris under different auto–hetero–mixo trophic growths as a raw material during biodiesel production and cost evaluation

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  • Rattanapoltee, Panida
  • Kaewkannetra, Pakawadee

Abstract

The biomass and lipid productivities of green microalga, Chlorella vulgaris TISTR 8580 cultivated in the Bold's basal medium under three different culture conditions namely AC (autotrophic), HC (heterotrophic) and MC (mixotrophic) cultivations in a 20 L rectangular bioreactor were investigated. Maximum cell growths were obtained on day 10, 3 and 5 under AC, HC and MC, respectively. The C. vulgaris cells in heterotrophic condition contained the highest amount of lipids (32.9%) and the lowest amount of proteins (14.5%). The composition of C. vulgaris cells under MC condition was found to be between those found at AC and HC conditions. The most efficient energy production system in terms of lipid production to energy consumption was MC. The biodiesel yield was about 93.3% and fatty acid in methyl esters were found as 35.33% palmitic acid, 19.01% oleic acid, 19.21% linoleic acid, 11.68% linolenic acid and 14.77% others.

Suggested Citation

  • Rattanapoltee, Panida & Kaewkannetra, Pakawadee, 2014. "Cultivation of microalga, Chlorella vulgaris under different auto–hetero–mixo trophic growths as a raw material during biodiesel production and cost evaluation," Energy, Elsevier, vol. 78(C), pages 4-8.
    • Handle: RePEc:eee:energy:v:78:y:2014:i:c:p:4-8
    DOI: 10.1016/j.energy.2014.06.049
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    1. E, Jiaqiang & Pham, MinhHieu & Deng, Yuanwang & Nguyen, Tuannghia & Duy, VinhNguyen & Le, DucHieu & Zuo, Wei & Peng, Qingguo & Zhang, Zhiqing, 2018. "Effects of injection timing and injection pressure on performance and exhaust emissions of a common rail diesel engine fueled by various concentrations of fish-oil biodiesel blends," Energy, Elsevier, vol. 149(C), pages 979-989.
    2. Mathimani, Thangavel & Senthil Kumar, Tamilkolundu & Chandrasekar, Murugesan & Uma, Lakshmanan & Prabaharan, Dharmar, 2017. "Assessment of fuel properties, engine performance and emission characteristics of outdoor grown marine Chlorella vulgaris BDUG 91771 biodiesel," Renewable Energy, Elsevier, vol. 105(C), pages 637-646.
    3. Zhang, Xiaolei & Yan, Song & Tyagi, Rajeshwar Dayal & Drogui, Patrick & Surampalli, Rao Y., 2016. "Ultrasonication aided biodiesel production from one-step and two-step transesterification of sludge derived lipid," Energy, Elsevier, vol. 94(C), pages 401-408.
    4. Alcinda P. Lopes & Francisca M. Santos & Tânia F. C. V. Silva & Vítor J. P. Vilar & José C. M. Pires, 2020. "Outdoor Cultivation of the Microalga Chlorella vulgaris in a New Photobioreactor Configuration: The Effect of Ultraviolet and Visible Radiation," Energies, MDPI, vol. 13(8), pages 1-18, April.
    5. Abreu, Ana P. & Morais, Rui C. & Teixeira, José A. & Nunes, João, 2022. "A comparison between microalgal autotrophic growth and metabolite accumulation with heterotrophic, mixotrophic and photoheterotrophic cultivation modes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 159(C).

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