DEPENDENCE OF MOBILE SULFUR ACCUMULATION IN SOILS AND HYDROGEN SULFIDE EMISSIONS ON THE TERRITORY OF ATYRAU
Ryskalieva D. Syrlybekkyzy S. Sagyndykova S. Mustafina A. Saparova G.
2024National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2024#1218 - 237 pp.
The article analyzes the dependence of the accumulation of mobile sulfur in the soil and hydrogen sulfide in the air of the city of Atyrau. Atyrau city is located in the western part of the Republic of Kazakhstan. In the city of Atyrau, the main source of air pollution with hydrogen sulfide is the Atyrau Oil Refinery. Hydrogen sulfide is a toxic gas whose pollution contributes to the accumulation of sulfur in the soil. The analysis of the hydrogen sulfide content in the atmosphere was carried out on the basis of Kazhydromet data, according to the AirKz application at 15 observation points and on the device with GANK-4 Argus analyzers. The content of mobile sulfur in the soil was determined by photometric method in the Testing Laboratory of Analytical Laboratory for Environmental Protection LLP. The results were analyzed taking into account the correlation coefficient. The dependence of the accumulation of sulfur in the soil on hydrogen sulfide in the air is associated with observation points located near the Atyrau oil refinery, for example, at the observation point of Himposylok, Mirny, Steaming. There is no such pattern in the observation points located in settlements, for example, at the points of NCOC No. 110 (Privokzalny), NCOC No. 111 (Zhilgorodok) and NCOC No. 112 (Akimat). At points No. 1 (Samal) and No. 5 (Kursai), an increased content of sulfur is observed in the soil, while in the air the content of hydrogen sulfide is in an acceptable concentration. According to the correlation coefficient, there is a weak positive relationship only in the spring of 2022 between the sulfur content in the soil on the Earths surface and hydrogen sulfide in the air. In the same period between the sulfur content in the soil at a depth of 50 cm and in the autumn period of 2021, the correlation coefficient is negative, which indicates that there is no connection between the accumulation of sulfur in the soil from incoming hydrogen sulfide from the air.
Atyrau city , Atyrau oil refinery , correlation coefficient , hydrogen sulfide in the air , mobile sulfur in the soil , observation points
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Sh.Yessenov Caspian University of Technology and Engineering, Aktau, Kazakhstan
Kh. Dosmukhamedov Atyrau University, Atyrau, Kazakhstan
Sh.Yessenov Caspian University of Technology and Engineering
Kh. Dosmukhamedov Atyrau University
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