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Treatment of Natural Waters Subjected to Perennial Petroleum Hydrocarbon Pollution Using Green Microalgae
https://doi.org/10.18412/1816-0395-2025-4-46-51
Abstract
The method of water treatment of natural objects subjected to long-term oil pollution with the use of green microalgae Chlorella vulgaris Beijer is proposed. It is shown that introduction of Chlorella in concentration of 2.9×106 cl/mL leads to reduction of oil hydrocarbons concentration by 86.6–100 %, and increase of Chlorella concentration up to 6.3×106 cl/mL allows to reduce oil content by 94.5–100 % at initial concentration of 15.4–148 MAC. It was found that the introduction of Chlorella reduces the level of water toxicity by 1.1–35.9 times. It is concluded that the introduction of green microalgae Chlorella vulgaris Beijer provides purification of chronically polluted water with petroleum hydrocarbons to the values approaching to the normative ones (1.06–4.2 MAC) and also reduces the toxicity level to slightly toxic/non-toxic.
About the Authors
D.O. Egorova
Perm State National Research University
Russian Federation
Russian Federation
Dr. Sci. (Biol.), Associate Professor
S.A. Buzmakov
Perm State National Research University
Russian Federation
Russian Federation
Dr. Sci. (Geography), Professor
Yu.V. Khotyanovskaya
Perm State National Research University
Russian Federation
Russian Federation
Cand. Sci. (Geography), Аssociate Рrofessor
A.S. Buzmakov
Perm State National Research University
Russian Federation
Russian Federation
Laboratory Assistant
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Review
For citations:
Egorova D., Buzmakov S., Khotyanovskaya Yu., Buzmakov A. Treatment of Natural Waters Subjected to Perennial Petroleum Hydrocarbon Pollution Using Green Microalgae. Ecology and Industry of Russia. 2025;29(4):46-51. (In Russ.) https://doi.org/10.18412/1816-0395-2025-4-46-51
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