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Direct Study of CO 2 Capture Efficiency during Microalgae Arthrospira platensis Cultivation at High CO 2 Concentrations

Author

Listed:
  • Elizaveta A. Chunzhuk

    (Joint Institute for High Temperatures, Russian Academy of Sciences, 125412 Moscow, Russia)

  • Anatoly V. Grigorenko

    (Joint Institute for High Temperatures, Russian Academy of Sciences, 125412 Moscow, Russia)

  • Nadezhda I. Chernova

    (Joint Institute for High Temperatures, Russian Academy of Sciences, 125412 Moscow, Russia
    Faculty of Geography, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Sofya V. Kiseleva

    (Joint Institute for High Temperatures, Russian Academy of Sciences, 125412 Moscow, Russia
    Faculty of Geography, Lomonosov Moscow State University, 119991 Moscow, Russia)

  • Kirill G. Ryndin

    (Joint Institute for High Temperatures, Russian Academy of Sciences, 125412 Moscow, Russia)

  • Oleg S. Popel

    (Joint Institute for High Temperatures, Russian Academy of Sciences, 125412 Moscow, Russia)

  • Sergey Ya Malaniy

    (Lukoil-Engineering LLC, 109028 Moscow, Russia)

  • Olga V. Slavkina

    (Lukoil-Engineering LLC, 109028 Moscow, Russia)

  • Fabio de Farias Neves

    (Department of Fisheries Engineering, Santa Catarina State University (UDESC), Florianópolis 88790-000, SC, Brazil)

  • Lijian Leng

    (School of Energy Science and Engineering, Central South University, Changsha 410083, China)

  • Vinod Kumar

    (Department of Life Science, Graphic Era (Deemed to Be University), Dehradun 248002, Uttarakhand, India
    Department of Environmental Safety and Product Quality Management, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia)

  • Mikhail S. Vlaskin

    (Joint Institute for High Temperatures, Russian Academy of Sciences, 125412 Moscow, Russia
    Department of Life Science, Graphic Era (Deemed to Be University), Dehradun 248002, Uttarakhand, India
    Department of Environmental Safety and Product Quality Management, Peoples’ Friendship University of Russia (RUDN University), 117198 Moscow, Russia)

Abstract

Direct study of CO 2 capture efficiency during microalgae Arthrospira platensis cultivation at high CO 2 concentrations was carried out. Microalgae were grown in a 90 L photobioreactor on Zarrouk’s medium prepared with distilled water. Three 15-day experiments were carried out with different initial CO 2 concentrations: 1, 5, and 9 vol.%. During the experiments, both the change in the optical density of the microalgae suspension and the direct change in the CO 2 concentration in the chamber were measured. The maximum decrease in CO 2 concentration due to the growth of microalgae was 0.10 vol.% (CO 2 )/day in the experiment with an initial CO 2 concentration of 5 vol.%. Growth rate of biomass density was 79.4, 76.3, and 48.4 (mg/L)/day at 1, 5, and 9 vol.% CO 2 concentrations, respectively. During the experiment with initial CO 2 concentrations of 1 and 5 vol.%., pH of the culture medium was increased, but pH was decreased from 9.2 to 8.8 at 9 vol.%. In general, good viability (high quality of biomass and high rate of its growth) of Arthrospira platensis was established at 1 and 5 vol. (CO 2 )%, while massive death of Arthrospira platensis cells was observed in the experiment with 9 vol. (CO 2 )%. Biochemical analysis of the resulting biomass revealed a decrease in the content of lipids and proteins with an increase in CO 2 concentration.

Suggested Citation

  • Elizaveta A. Chunzhuk & Anatoly V. Grigorenko & Nadezhda I. Chernova & Sofya V. Kiseleva & Kirill G. Ryndin & Oleg S. Popel & Sergey Ya Malaniy & Olga V. Slavkina & Fabio de Farias Neves & Lijian Leng, 2023. "Direct Study of CO 2 Capture Efficiency during Microalgae Arthrospira platensis Cultivation at High CO 2 Concentrations," Energies, MDPI, vol. 16(2), pages 1-14, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:2:p:822-:d:1031808
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