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Studying the influence of light intensity on the growth of chlorella vulgaris beijer and hydrogen generation in the production process
https://doi.org/10.15518/isjaee.2023.08.064-073
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 is by no means always will be reproduced under optimal lighting conditions.
This article examines the influence 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 compound. A mathematical model is also presented that explains the influence of the specific lighting surface on cultivation productivity and with its help it is shown that the lighting surface is more critical than the light intensity on the growth of microalgae.
Keywords
About the Authors
K. K. Klimov
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Russian Federation
Konstantin K. Klimov, laboratory assistant researcher of the department “Nuclear Power Plants and Renewable Energy Sources”
st. Mira, 19, Ekaterinburg, 620002
B. E. Lyubomudrov
Ural Federal University named after the first President of Russia B.N. Yeltsin
Russian Federation
Russian Federation
Boris E. Lyubomudrov, laboratory assistant researcher of the department “Nuclear Power Plants and Renewable Energy Sources”
st. Mira, 19, Ekaterinburg, 620002
E. F. Klimova
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”
st. Mira, 19, Ekaterinburg, 620002
M. A. Bezmaternykh
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
st. Mira, 19, Ekaterinburg, 620002
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Review
For citations:
Klimov K.K., Lyubomudrov B.E., Klimova E.F., Bezmaternykh M.A. Studying the influence of light intensity on the growth of chlorella vulgaris beijer and hydrogen generation in the production process. Alternative Energy and Ecology (ISJAEE). 2023;(8):64-73. (In Russ.) https://doi.org/10.15518/isjaee.2023.08.064-073
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