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Title: SELECTION OF CONDITIONS FOR CULTIVATION OF MICROALGAE- CARBON SEQESTRATORS
SELECTION OF CONDITIONS FOR CULTIVATION OF MICROALGAE- CARBON SEQESTRATORS

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Darina Glazunova; Ilsina Gilmutdinova; Polina Kuryntseva; Polina Galitskaya; Svetlana Selivanovskaya
10.5593/sgem2023/5.1/s20.28
10.5593/sgem2023/5.1
1314-2704
978-619-7603-60-6
English
23
5.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Ecology and Environmental Protection
The use of microalgae as carbon sequestrators requires optimization of the cultivation process. Growth curves for three types of microalgae were plotted. The growth was carried out at different temperatures 30 and 35 ? and with initially different concentrations of inoculum 30 and 3% in order to assess the possibility of growing crops at the lowest cost and with a high yield of a useful product. We used 3 strains of microalgae - potential sequestrators. The introduction of the inoculum at a dose of 30% led to an acceleration of the growth curve reaching a plateau on day 5 at an incubation temperature of 30 ?. At a dose of 3% inoculum, growth is uniform for all species at 30 degree Celsius, while at 30% inoculation, Strain 2 shows a decrease in optical density and growth retardation. It is likely that the reasons for growth restriction are either due to a lack of nutrients for a given species, which leads to intraspecific competition. It was found that the temperature of 35 ? for Strain 3 was optimal, the growth curve quickly reached a plateau and reached a higher optical density. Increasing the dose of inoculum at 35 ? did not lead to a significant increase in optical density. Thus, from an economic point of view, it is optimal to grow microalgae at 35 ? and an inoculum dose of 3%.
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The work is carried out in accordance with the Strategic Academic Leadership Program "Priority 2030" of the Kazan Federal University of the Government of the Russian Federation.
conference
https://doi.org/10.5593/sgem2023/5.1/s20.28
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 03 - 09 July, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
223-230
03 - 09 July, 2023
website
9296
microalgae, sequestration, optimal process, carbon dioxide, microalgae biomass

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