Features of the Microalgae and Cyanobacteria Growth in the Flue Gas Atmosphere with Different CO 2 Concentrations

Elizaveta A. Chunzhuk (), Anatoly V. Grigorenko, Sophia V. Kiseleva, Nadezhda I. Chernova, Dmitry A. Volkov, Renat G. Nurgaliev, Lijian Leng, Vinod Kumar and Mikhail S. Vlaskin ()
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Elizaveta A. Chunzhuk: Joint Institute for High Temperatures of the Russian Academy of Sciences, 125412 Moscow, Russia
Anatoly V. Grigorenko: Joint Institute for High Temperatures of the Russian Academy of Sciences, 125412 Moscow, Russia
Sophia V. Kiseleva: Joint Institute for High Temperatures of the Russian Academy of Sciences, 125412 Moscow, Russia
Nadezhda I. Chernova: Joint Institute for High Temperatures of the Russian Academy of Sciences, 125412 Moscow, Russia
Dmitry A. Volkov: Lukoil-Engineering LLC, 109028 Moscow, Russia
Renat G. Nurgaliev: RITEK LLC, 400048 Volgograd, Russia
Lijian Leng: School of Energy Science and Engineering, Central South University, Changsha 410083, China
Vinod Kumar: Algal Research and Bioenergy Lab, Department of Food Science and Technology, Graphic Era (Deemed to Be University), Dehradun 248002, Uttarakhand, India
Mikhail S. Vlaskin: Joint Institute for High Temperatures of the Russian Academy of Sciences, 125412 Moscow, Russia

Sustainability, 2024, vol. 16, issue 16, 1-18

Abstract: Nowadays, it is important to create the optimal technology for the absorption of flue gases with high CO 2 content. In this regard, the aim of the investigation is to study the five different microalgae strains ( Chlorella vulgaris , Chlorella ellipsoidea , Elliptochoris subsphaerica , Gloeotila pulchra , and Arthrospira platensis ) under the influence of flue gases. The cultivation of microalgae was carried out in the atmosphere of flue gases with a gas flow rate of approximately 1 L·min −1 at high CO 2 concentrations (3, 6, or 8%—from lower to higher concentrations), under continuous (24 h·d −1 ) illumination intensity of 200 µmol quanta·m −2 ·s −1 and a constant temperature of 27 ± 1 °C. The duration of the experiments was 12 days. Chlorella vulgaris and Chlorella ellipsoidea demonstrated the highest biomass growth rate at CO 2 = 6% (0.79 and 0.74 g·L −1 ·d −1 , respectively). The lowest growth rate (0.21 g·L −1 ·d −1 ) was achieved for Arthrospira platensis at CO 2 = 3 and 6%. There was no significant drop in pH in the entire series of experiments. The results of microscopy showed a lack or a minimal number of dead cells in the strains under selected conditions. The obtained results can be used for further development of CO 2 capture and storage technologies.

Keywords: CO 2 capture; flue gases; microalgae; adaptive laboratory evolution; cultivation methodology (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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