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Academic literature on the topic 'Oil pollution of soils'
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Journal articles on the topic "Oil pollution of soils"
1
C.M, Didiugwu, and Chukwura E.I. "Crude oil pollution effect on agricultural soil properties and germination of bean (<i>Vigna unguiculata(/i) L.) seed." Biological and Environmental Sciences Journal for the Tropics 20, no. 3 (2024): 49–58. http://dx.doi.org/10.4314/bestj.v20i3.5.
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Crude oil pollution affects not only soil properties but also seed germination. The aim of thisresearch is to checkmate the effect crude oil pollution has on soil fertility, seed germinationand microbial activity. Two different agricultural soils from Ibeno and Otuocha collected bycomposite sampling were used to conduct the study. The crude oil for carrying out the research was sterilized with a micron Chromafil CA/S % 45 syringe filters. The physicochemical analysis of the soil and its microbiological enumeration was done. This was followed by the artificial pollution of the soil with fresh crude oil. Soil’s physicochemical properties and microbiological enumeration were analyzed followed by the planting of bean seed son the polluted soil. Unpolluted soils was also planted and served as the control. The artificial pollution of the soils’ increased physicochemical properties like cation exchange capacity, selenium, mercury, arsenic, carbon and phosphorus in both soil. Some physicochemical properties like electrical conductivity, salinity, vanadium, zinc, cadmium, iron, manganese, copper, cobalt, nickel and nitrogen decreased in both soils. Water permeability was positive and became negative after pollution. Soil texture was bound and became loose after pollution. Other soil properties like pH increased in Ibeno soil but decreased in Otuocha soil. The number of microorganisms decreases after pollution. Statistically, cultivated beans germinated faster on unpolluted soil and appear healthier than polluted soil because of slow germination and a wrinkled appearance. This study shows that crude oil pollution has a significant effect on soil fertility, seed germination and microbial activity.
2
Lifshits, S. Kh, Yu S. Glyaznetsova, O. N. Chalaya, and I. N. Zueva. "Oil pollution transformation in cryogenic soils of technogenic entities in Yakutia." Forestry Bulletin 27, no. 2 (2023): 112–20. http://dx.doi.org/10.18698/2542-1468-2023-2-112-120.
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The study results on the oil pollution biodegradation at technogenic entities (oil depots) of various climatic zones in Yakutia are presented. All the studied territories are characterized by a perennially frozen rocks, however, various mechanisms of oil pollution biodegradation of the soils in these territories have been established. It is shown that the degradation mechanism of oil pollution depends on climatic conditions, and a temperature is the main factor affecting the activity of soil microflora and its diversity. It has been established the oxidative degradation of oil pollution in the temperate zone with a sharply continental climate runs mainly due to biodegradation processes, and in the Arctic zone it is carried out under the influence of physical and chemical environmental factors. In Arctic soils biodegradation of oil pollution occurs by decay. As a result, the soils begin to colonize putrefactive and pathogenic microorganisms. It is recommended to carry out research on the development of effective methods for cleaning Arctic soils from oil pollution.
3
Shram, V. G., Yu N. Bezborodov, M. A. Kovaleva, et al. "Regulatory and Legal Aspects of Environmental Supervision of Oil Facilities in the Krasnoyarsk Territory." Ecology and Industry of Russia 27, no. 8 (2023): 65–71. http://dx.doi.org/10.18412/1816-0395-2023-8-65-71.
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Review of documents on the regulation and assessment of pollution of land and water resources by oil and oil products. The immediacy of standards development for the MAC of oil in soils, including the level of pollution taken into account after reclamation work, as well as during operation, conservation, and liquidation of industrial facilities. It was concluded that, in order to fulfill the requirements for environmental protection and restoration of soils and soils contaminated with oil and oil products, it is necessary to improve the regulatory framework and develop MAC related to oil content standards.
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Buluktaev, Aleksey A. "Biological properties of soils of the "Nadedzhdinsky" and "Severo-Kamyshansky" oil fields located in the territory of the "Mekletsky" reserve." Izvestiya of Saratov University. Chemistry. Biology. Ecology 23, no. 4 (2023): 447–60. http://dx.doi.org/10.18500/1816-9775-2023-23-4-447-460.
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The most acute environmental problem in many regions of Russia and other countries is environmental pollution with oil and oil products. Soil pollution with oil products can occur in various emergencies in areas of oil production and processing, when oil pipelines break, which causes leakage and spills on the soil surface, as well as in places where oil products are distributed. The purpose of this study is to study the biological properties of soils in Kalmykia under conditions of oil and oil products pollution. The soils of the Nadezhdinskoye and Severo-Kamyshanskoye oilfields located on the territory of the Mekletinsky nature reserve were chosen as the objects of study. Laboratory and analytical studies, as well as sampling, were carried out using methods generally accepted in biology and soil science. The content of oil products in the soils of the oil field is in a wide range: from 0.4 to 12.5%. A negative correlation was established between the content of oil products in the soil and the activity of catalase and phosphatase. Oil products have a negative impact on the growth and development of radishes. The exploitation of oil fields in specially protected natural areas leads to the flow of oil and oil products into the environment. In the soils of Kalmykia on the territory of oil fields, under the influence of pollution with oil and oil products, the activity of soil enzymes is inhibited, in addition, the soils exhibit a high degree of phytotoxicity with respect to test plants.
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Gurbanov, E. M., and A. A. Akhundova. "Phytoecological indicators for biological recultivation of soils polluted with oil in the Absheron peninsula." Biosystems Diversity 17, no. 2 (2009): 3–8. http://dx.doi.org/10.15421/010937.
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Phytoecological indicators of polluted soils of Amirov Oil-and-Gas Production Department (Garadag district,Baku) were studied. Phytocenological and biomorphological analysis of flora was done with the aim of further biological rehabilitation of Absheron peninsula. Oil products (black oil, boring waters, etc.) pollution turns the plant cover into a dead mass. Decontamination of soil and rehabilitation of microbial community improve the soil’s fertility. Wild and cultured plant indicators may be used in biopurification of the soils polluted with oil products. Sowing of the fodder crops followed by the technical remediation forms the clean areas of higher productivity.
6
AKHMETZHAN, S., T. UTEEVA, and L. CHURIKOVA. "ACID HELIOMICROBIOLOGICAL METHOD FOR OIL CONTAMINATED SOILS IN WESTERN KAZAKHSTAN FIELDS." Neft i Gaz, no. 1 (February 28, 2023): 117–25. http://dx.doi.org/10.37878/2708-0080/2023-1.10.
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The article presents promising methods of cleaning oil-contaminated soils. Oil pollution causes serious damage to the environment. Under normal conditions, work on the purification of oil waste and oil-contaminated soils is not carried out due to the lack of equipment and efficient processing technology. It is emphasized the need to develop promising methods for cleaning oil-contaminated soils and the possibility of using oil-contaminated soils as an organic retaining material for fixing the soil layer in road construction, as well as building materials. According to laboratory studies, with a moisture content of 30%, oil sludge is transported in the form of brittle plates. At the same time, oil sludge does not gather dust, has thixotropic properties, passes more than 1-3% of moisture into the lower soil layer. Thus, dry oil sludge is convenient and safe for transportation and storage in warehouses. The humidity of dry oil sludge averages 15-20%. The composition of the dry sludge is mostly stable: petroleum products 15-25%; mechanical impurities 70-75%; water 5-8%. In recent years, a number of studies have been conducted to eliminate oil pollution to solve the problem of cleaning oil-contaminated soils. Various classifications of landfills and methods of waste disposal during the construction of landfills of oil production waste are described: sludge collectors. However, currently none of the methods of removing oil-contaminated soils is widely used, each of these methods has its advantages and disadvantages. The ways of the microbiological method aimed at preventing or reducing pollution by oil and petroleum products trapped in the soil layer are shown. The object of research in the article is the Zhanazholskoye field, one of the West Kazakhstan fields, and the situation of applying the new technology to the heliomicrobiological method of acidification of oil-contaminated soils is presented.
7
Koshelkov, A. M., and L. P. Mayorova. "Oil Pollution Assessment of Soils in Khabarovsk." Ecology and Industry of Russia 25, no. 12 (2021): 65–71. http://dx.doi.org/10.18412/1816-0395-2021-12-65-71.
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The TPH-in-soil of three functional zones (industrial, residential, agro-residential) of Khabarovsk have been studied. Areas of acceptable, low, moderately hazardous, moderate, high and very high pollution levels have been identified. It has been found that the TPH-in-soil of different urban functional areas differs significantly. For statistical processing of experimental data, the Boxplots method ("box-and-whiskers diagram") has been used. It has been proposed to switch to the median value of the aggregate sample of the TPH-in-soil in residential and agro-residential areas as the baseline data.
8
Jabbarov, Zafarjon, Urol Nomozov, Yunus Kenjaev, et al. "Effects of pollution of saline soils with oil and oil products on soil physical properties." E3S Web of Conferences 497 (2024): 03006. http://dx.doi.org/10.1051/e3sconf/202449703006.
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In the article, pollution of saline soils with oil and oil products, physical and water-physical properties depending on the level of salinity are studied. As a result of the research, it is scientifically based that the increase in the level of contamination of the soil is subject to the decrease in water permeability, and the decrease in the level of pollution is subject to the law of the increase in water permeability. In the article, weakly, moderately, strongly and very strongly contaminated soils with oil were studied. According to the results, it was determined that the water permeability of the soil was observed in 25, 45, 45, 37, 5, 3, 2 minutes, and it carried 75, 26, 44, 45, 540, 1050, 1200 ml of water, respectively, for 90 minutes. The amount of water transfer compared to the control soil for 90 minutes was less in 1%, 2%, 5% contaminated soils, and very high in 15%, 25% and 37.5% contaminated soils. The increase in the level of pollution is explained by the deterioration of water permeability and moisture retention. Also, due to the fact that oil is a viscous organic pollutant, the changes of 0.25, 0.5, 1, 3, 5, 7, 10 mm microaggregates, which are important for soil fertility, as a result of pollution, and changes in the amount of these microaggregates were also determined. It was found that the soils around the South Mirshodi oil field were previously contaminated and the amount of microaggregates smaller than 0.25 mm, 0.25 mm, 1 mm, 2 mm and 3 mm in the irrigated soils increased as the distance from the source of contamination increased. This is explained by the decrease in the concentration of oil in the soil. The amount of 5 mm, 7 mm and 10 mm aggregates has decreased. A similar situation was observed around the Kumkurgan oil base. The effect of petroleum hydrocarbons is more noticeable in microaggregates with a diameter of 10 mm.
9
Mingaleva, Tatiana A., Sergey V. Shakuro, and Alexey S. Egorov. "FEATURES OF THE STRUCTURE AND NATURE OF POLLUTION OF THE UPPER PART OF THE SECTION OF OIL STORAGE FACILITIES IN THE VOLGA RIVER VALLEY." Bulletin of the Tomsk Polytechnic University Geo Assets Engineering 334, no. 7 (2023): 137–47. http://dx.doi.org/10.18799/24131830/2023/7/4035.
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Link for citation: Mingaleva T.A., Shakuro S.V., Egorov A.S. Features of the structure and nature of pollution of the upper part of the section of oil storage facilities in the Volga River valley. Bulletin of the Tomsk Polytechnic University. Geo Аssets Engineering, 2023, vol. 334, no. 7, рр. 137-147. In Rus. The relevance of the study is caused by the fact that soil pollution with oil products has a complex dynamic character in the spatio-temporal region. Therefore, the physical properties of soils in solving geophysical problems of contouring and determining the thickness of pollution can change under the influence of various factors, expanding the range of search signs of pollution. Determination of physical parameters for areas of oil pollution, similar in nature of development and geological conditions, can help in the future for the effective parameterization of hydrocarbons in soils. The main aim is to build a generalized model with physical properties (electrical resistivity, сompressional and shear-wave velocities) for the soils of long-term oil depot territories. Methods: analysis of literary sources on the research topic; processing and interpretation of field geophysical material for tank farms located on the banks of the Volga River; building a generalized model with a description of the physical characteristics of soils based on the results of geophysics for the soils of tank farms. Results. The authors have studied the nature of soil pollution of two oil depots in the Volga River region using materials published in domestic and foreign literature, which made it possible to substantiate the parameters of a generalized physical-geological model of soil pollution of oil depots. In the general case, the distribution of pollution areas is subject to the features of the geological structure and hydrogeological regime of the areas under consideration and generally includes five zones (the upper area, the area of pollution above the free-flow horizon, the area of seepage in the hydrogeological window, the area of groundwater pollution, the zone of secondary accumulation). This model can be used to predict the nature of pollution in tank farms, loading and unloading points, car repair shops, washing sites and gas stations located near river and lake basins. The model of distribution of oil products in soils will be complex, which will also be expressed in geophysical sections.
10
Cherdakova, Alina S., and Svetlana V. Galchenko. "Change of phytotoxicity of soils contaminated with oil products in the process of their microbiological remediation during the application of humic preparations." RUDN Journal of Ecology and Life Safety 28, no. 4 (2020): 336–48. http://dx.doi.org/10.22363/2313-2310-2020-28-4-336-348.
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The article presents the results of experimental studies on the assessment of the phytotoxicity of soils contaminated with oil products of various fractions (gasoline, diesel fuel, fuel oil) in the process of their microbiological remediation with the introduction of humic preparations. The studies were carried out under the conditions of a vegetation experiment, in which the processes of bioremediation of soils contaminated with various oil products were simulated using microbiodestructors and humic preparations (Ekorost and Gumi). It has been established that the implementation of bioremediation measures using microbio-destructors does not allow for complete detoxification of soil contaminated with various oil products. The manifestation of detoxifying properties of humic preparations in relation to oil-hydrocarbon pollution of soils during their bioremediation was revealed. The severity of these properties varies and depends on the type of oil-polluting product, its concentration, as well as on the properties of the preparations themselves.