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Study of the effect of light intensity on the growth of chlorella vulgaris beijer and hydrogen generation in the production process
https://doi.org/10.15518/isjaee.2023.12.019-028
Abstract
In addition to the enormous nutritional value, the plasticity of metabolism and the high efficiency of photosynthesis induce active study and optimization of chlorella cultivation conditions. Due to the phototrophic type of nutrition, it would be most appropriate to study the influence of other factors under conditions of optimal energy supply to the cell, otherwise the data obtained when optimizing the growth of Chlorella will contribute to faster growth under conditions of energy limitation, which will not always be reproduced under optimal conditions. lighting conditions.
This article examines the effect of light intensity on the growth of chlorella and shows that chlorella exhibits the maximum growth rate when cultivated in the region of 19.0 kLx, while an increase in light intensity above this range does not lead to an increase in the growth rate of chlorella and significantly changes its pigment composition.
A mathematical model is also presented that explains the influence of the specific surface area of illumination on the productivity of cultivation and with its help it is shown that the surface area of illumination is more critical than the intensity of light on the growth of microalgae.
About the Authors
B. E. Lyubomudrov
Federal State Autonomous Educational Institution of Higher Education «Ural Federal University named after the first President of Russia B.N.Yeltsin
Russian Federation
Russian Federation
Boris E. Lyubomudrov, research engineer; engineer of the department «Nuclear Power Plants and Renewable Energy Sources»
Yekaterinburg, Mira st., 19
K. K. Klimov
Federal State Autonomous Educational Institution of Higher Education «Ural Federal University named after the first President of Russia B.N.Yeltsin
Russian Federation
Russian Federation
Konstantin K. Klimov, PHD student; laboratory assistant researcher of the department «Nuclear Power Plants and Renewable Energy Sources»
Yekaterinburg, Mira st., 19
E. F. Klimova
Federal State Autonomous Educational Institution of Higher Education «Ural Federal University named after the first President of Russia B.N.Yeltsin
Russian Federation
Russian Federation
Ekaterina F. Klimova, engineer of the department «Nuclear Power Plants and Renewable Energy Sources»
Yekaterinburg, Mira st., 19
M. A. Bezmaternykh
Federal State Autonomous Educational Institution of Higher Education «Ural Federal University named after the first President of Russia B.N.Yeltsin
Russian Federation
Russian Federation
Maksim A. Bezmaternykh, Associate Professor of the Department of «Organic Synthesis Technologies»
Yekaterinburg, Mira st., 19
I. V. Ivanova
Institute of Solid State Chemistry, Ural Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
Irina V. Ivanova, researcher
Yekaterinburg, Pervomayskaya St., 91
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Review
For citations:
Lyubomudrov B.E., Klimov K.K., Klimova E.F., Bezmaternykh M.A., Ivanova I.V. Study of the effect of light intensity on the growth of chlorella vulgaris beijer and hydrogen generation in the production process. Alternative Energy and Ecology (ISJAEE). 2023;(12):19-28. (In Russ.) https://doi.org/10.15518/isjaee.2023.12.019-028
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