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Artykuły w czasopismach na temat „Atmospheric unorganized emissions”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

HongLi, Cui. "Research Methods and Progress in Estimating the Source Strength of Atmospheric Unorganized Emissions." Engineering and Technology Journal 10, no. 05 (2025): 5133–40. https://doi.org/10.5281/zenodo.15480772.

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With the rapid development of industrialization and urbanization, the situation of air pollution has become increasingly severe. Unorganized emissions of volatile organic compounds (VOCs) have become a key challenge in air pollution control. Accurate estimation of their emission source strength is crucial for formulating scientific and effective pollution control strategies and improving air quality. This paper systematically reviews the current mainstream methods for estimating the source strength of unorganized emissions in the atmosphere, analyzes the principles, advantages, disadvantages,

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2

Wang, Xiu-Teng, Jing Liu, Shuo Yang, et al. "Feasibility study on the formulation of air non-point source emission standard in China." IOP Conference Series: Earth and Environmental Science 1011, no. 1 (2022): 012021. http://dx.doi.org/10.1088/1755-1315/1011/1/012021.

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Abstract Emission standards of air pollutants are the legal basis for environmental management. Compared with the point source emission, the non-point source pollution of the air is mostly unorganized, which has the characteristics of large scope, random, hidden and difficult to control. It is difficult to take effective measures to control pollution, and the emission standard of atmospheric non-point source pollution is basically blank. In order to design a scientific and reasonable standard system, we have summarized the characteristics of atmospheric non-point source pollution, summarized t

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3

Liu, Fengwei, Lei Tong, Qingyue Luo, et al. "Emission Characteristics and Health Risk Assessment of Volatile Organic Compounds in Key Industries: A Case Study in the Central Plains of China." Atmosphere 16, no. 1 (2025): 74. https://doi.org/10.3390/atmos16010074.

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Volatile organic compounds (VOCs), the precursors of ozone and fine particulate matter, are one of the atmospheric pollutants harmful to human health. The emission characteristics of VOCs in Anyang, a typical industrial city in the Central Plains of China, are unclear. To determine the emission level and composition of local VOCs, this study conducted on-site sampling of 20 factories in eight key industries. A total of 105 VOC species in seven categories were observed. The concentration of total VOCs emitted from the eight industries in order from large to small was as follows: packaging and p

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4

Wang, Lin, Dong Lin, Rui Liu, Jing Li, and Xiuyan Xu. "Emissions and Control Assessment of Volatile Organic Compounds from a Typical Chemical Enterprise." Atmosphere 14, no. 2 (2023): 206. http://dx.doi.org/10.3390/atmos14020206.

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Emissions from the chemical industry are among the important sources of atmospheric volatile organic compounds (VOCs), which face control challenges such as multiple emission sources, high emission intensity and complex pollutant types. In this study, a typical chemical enterprise is selected as the research object, and VOCs characteristics such as emission amount, concentration and composition are analyzed; end-pipe treatment of VOCs is evaluated and control suggestions are proposed. Results show that the annual emission amount of VOCs from organized stacks was 64.08 tons, accounting for 72%

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5

Wu, Yanpeng, Shanshan Luan, and Xiaoyu Li. "Fugitive Emission Characteristics of Fume and Dust from Short-Process Electric Furnace Tap Hole and Optimization of Dust Hood." Atmosphere 14, no. 12 (2023): 1829. http://dx.doi.org/10.3390/atmos14121829.

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Due to the advantages of a short cycle, low investment and low energy consumption per ton of steel, short-process electric furnace steelmaking is about to welcome a golden period of rapid development in China. During the operation of the electric furnace, a large amount of smoke and dust is generated. Most studies focus on organized emissions, and the impact of unorganized emissions in workshops on the environment cannot be ignored. This paper evaluates the thermal environment in the electric furnace steelmaking workshop based on the analytic hierarchy process and obtains the influence weight

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6

Fang, Li, Run Hao, Xiaoqi Xie, Guoao Li, and Hailin Wang. "Characteristics of VOCs Emissions from Circulating Water of Typical Petrochemical Enterprises and Their Impact on Surroundings." Atmosphere 13, no. 12 (2022): 1985. http://dx.doi.org/10.3390/atmos13121985.

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The petrochemical industry is regarded as the main source of anthropogenic VOCs emissions in China. As one of the main sources of unorganized emissions, circulating water is scarcely studied and reported. In this research, six circulating water systems (LC2X, HGLY, YJ, XJ, LC4X and LC5X) of a typical petrochemical enterprise were selected as targets to characterize VOCs emitted from such unorganized emissions. The results showed that there was a great difference in the VOCs disorganized emissions from the six circulating water systems, among which the main VOCs of HG2X, HGLY and YJ were oxygen

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7

Palieieva, Kateryna. "ANALYSIS OF THE PROSPECTS OF APPLICATION OF NATURAL GAS LEAK DETECTION METHODS TO INCREASE THE EFFICIENCY OF ATMOSPHERIC AIR MONITORING AT HTS FACILITIES." Bulletin of the National Technical University "KhPI". Series: Chemistry, Chemical Technology and Ecology, no. 1(11) (May 22, 2024): 25–31. http://dx.doi.org/10.20998/2079-0821.2024.01.04.

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The activities of the oil and gas industry enterprises, in particular the objects of gas transportation systems (GTS), are accompanied by a significant anthropogenic impact on the environment. The atmospheric air itself is significantly affected, since many technological processes are accompanied by emissions of natural gas (organized, unorganized and emergency) and, as a result, a significant amount of volatile substances, many of which are dangerous and harmful, enter the atmosphere. There is a wide range of methods for detecting gas leaks from elements of gas transportation systems. Ways of

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Zvyagintseva, A. V., A. S. Samofalova, S. A. Sazonova, V. V. Kulneva, and N. S. Popova. "Models of technogenic pollution by dust and gas components at protection facilities." IOP Conference Series: Earth and Environmental Science 981, no. 4 (2022): 042025. http://dx.doi.org/10.1088/1755-1315/981/4/042025.

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Abstract The negative impact of the open method development of mining and processing enterprises of the Kursk magnetic anomaly on the environment is considered. The volume of unorganized emissions of dust and harmful gases into the atmosphere during blasting operations at the Lebedinsky GOK quarry is calculated. When processing the results of the experiment, the article used the “STATISTIKA” software package. Calculations of concentrations of harmful substances at the time of blasting showed that the concentration of carbon monoxide, nitrogen oxides and dust in the atmosphere of the quarry exc

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9

Dimitrova, Reneta, and Margret Velizarova. "Assessment of the Contribution of Different Particulate Matter Sources on Pollution in Sofia City." Atmosphere 12, no. 4 (2021): 423. http://dx.doi.org/10.3390/atmos12040423.

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The habitants of Sofia, the capital city of Bulgaria, are unfortunately exposed to high levels of particulate matter (PM), despite a lot of efforts made by the government and the municipality in recent decades. A high resolution model using the Atmospheric Dispersion Modeling System (ADMS)-Urban was carried out for one year (2014) with elevated levels of PM concentration for the Sofia region measured during the winter. Four main emission sources (point industrial, domestic heating, roads, and unorganized transport) were taken into account for this study. This works intends to evaluate the impa

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10

Korchagina, Tatiana, Anatoly Bykov, and Evgeny Schastlivcev. "Air pollution by coal dust as a factor of ecological compatibility for coal mining enterprises." E3S Web of Conferences 134 (2019): 02001. http://dx.doi.org/10.1051/e3sconf/201913402001.

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Coal mining enterprises (there are more than 130 in the Kemerovo region), are powerful sources of pollutant emissions (P) into the atmosphere. They account for almost a third of the total mass of the cumulative annual emissions in the region. A significant number of coal mining enterprises are located in the vicinity of the boundaries of residential settlements of Kuzbass. At the same time, emissions of coal mining enterprises are mainly carried out from unorganized sources of air pollution (SAI), which do not have treatment facilities. All this leads to pollution of the surface air layer by t

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11

Lagunenko, O. S., V. Ye Khan, O. K. Kalynovskyi, et al. "Radioactive Aerosols under Conditions of New Safe Confinement in 2018." Nuclear Power and the Environment 18 (2020): 79–85. http://dx.doi.org/10.31717/2311-8253.20.3.9.

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The results of monitoring of radioactive aerosols emissions from the Shelter object in 2018 are given. The maximum value of «unorganized» release rate was observed in November and was 4.6 kBq/(m2 ∙ day). The completion of construction and sealing of the enclosing contours of the New safe confinement (NSC) in 2018 completely limited the influence of meteorological environmental conditions: precipitation, temperature and wind on the Shelter object. As a result of changes in the temperature and humidity conditions inside the facility, water accumulations of radioactively contaminated water in roo

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12

Cai, Wen-da, Cui-Mei Bo, Jun Li, and Qi-Fang Li. "AIR pollution traceability based on OK-IGSO integration algorithm." E3S Web of Conferences 393 (2023): 03010. http://dx.doi.org/10.1051/e3sconf/202339303010.

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Aiming at the tracing problem of ambient air quality exceeding the standard caused by the unorganized emission of multiple pollution sources in the chemical industry park, an air pollution tracing method based on OK-IGSO integrated algorithm is proposed. First of all, the ordinary Kriging algorithm (OK) of geostatistics is applied to the prediction and interpolation of atmospheric pollutants in the chemical industry park, so that the distribution of pollutants is closer to reality; Then, based on the improved glowworm algorithm (IGSO), a dynamic backtracking method for multiple pollution sourc

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13

Atamanyuk, O. A. "ANALYSIS AND PROSPECTS OF SEPARATE ENVIRONMENTAL PROTECTION SYSTEMS AT COAL MINING AND COAL PROCESSING ENTERPRISES OF UKRAINE." Journal of Coal Chemistry 5 (2021): 15–25. http://dx.doi.org/10.31081/1681-309x-2021-0-5-15-25.

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The article describes the organizational regional structure of industrial waste management in modern Ukraine, which will improve the efficiency of industrial waste management systems and industrial energy facilities in Ukraine. The structure of industrial waste management at different system levels, from the national to the level of an industrial enterprise, is described. The data on the recommendations of the World Health Organization on the emissions of toxicants into the air and the data of the State Statistics Service of Ukraine on the content of the main pollutant gases in air emissions f

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14

Dubey, Parag. "Role of Indian Forest Products Industry in Climate Change Mitigation: A Managerial Perspective." Vikalpa: The Journal for Decision Makers 34, no. 1 (2009): 1–12. http://dx.doi.org/10.1177/0256090920090101.

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Climate change is a global environmental problem that has been associated with increasing concentrations of greenhouse gases (GHGs). Forest products definitely play a significant role in mitigating the adverse effects of climate change, by increasing the level of carbon removals from the atmosphere. Different corporate governance systems impact the ability of industries to adopt and transform their activities to meet issues associated with climate change. Until recently, relatively little has been done, to measure the contribution made by forest-based industries to mitigate climate change. Thi

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15

Cui, HongLi. "Research Methods and Progress in Estimating the Source Strength of Atmospheric Unorganized Emissions." Engineering and Technology Journal 10, no. 05 (2025). https://doi.org/10.47191/etj/v10i05.42.

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With the rapid development of industrialization and urbanization, the situation of air pollution has become increasingly severe. Unorganized emissions of volatile organic compounds (VOCs) have become a key challenge in air pollution control. Accurate estimation of their emission source strength is crucial for formulating scientific and effective pollution control strategies and improving air quality. This paper systematically reviews the current mainstream methods for estimating the source strength of unorganized emissions in the atmosphere, analyzes the principles, advantages, disadvantages,

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16

Berlov, Oleksandr, Sofiia Myhur, and Olena Biliaieva. "NUMERICAL MODELING OF THE DISTRIBUTION OF POLLUTANTS IN THE AIR." International scientific and technical conference Information technologies in metallurgy and machine building, June 2, 2025, 185–88. https://doi.org/10.34185/1991-7848.itmm.2025.01.031.

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Numerical models of the distribution of chemically hazardous substances in the air during their emission at industrial enterprises are considered. Scenarios of unorganized emissions at industrial sites or inside industrial premises and organized emissions from low-level sources at an industrial site are modeled. It is known that the consequence of unorganized emissions of toxic substances is air pollution in working areas at industrial sites, atmospheric air pollution in residential areas, and contamination of the underlying surface. With organized emissions at industrial sites, areas with an

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17

Makarova, Vera, and Irina Isaeva. "Assessment of the impact on atmospheric air on the example of the Passenger Carriage Depot Vladivostok enterprise of the Far Eastern branch of the Federal Passenger Company, Vladivostok city." Russian journal of resources, conservation and recycling 11, no. 2 (2024). http://dx.doi.org/10.15862/07nzor224.

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The relevance of the topic of the work is to assess the degree of negative impact of the Passenger Carriage Depot Vladivostok enterprise of the Far Eastern branch of the Federal Passenger Company, Vladivostok on atmospheric air. 35 pollutants are released into the atmosphere from the enterprise. The work takes into account 39 sources of atmospheric pollution at the enterprise, operating at the time of the inventory, including 25 organized and 14 unorganized. In order to analyze the amount of pollutants entering the atmospheric air, calculations were performed using a unified program — UPRZA Ec

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18

Makarova, Vera, Irina Isaeva, and Yuriy Zalozniy. "Monitoring the waste management system in preschool educational institutions." Russian journal of resources, conservation and recycling 9, no. 2 (2022). http://dx.doi.org/10.15862/02nzor222.

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The article presents the results of assessing the degree of negative impact of the enterprise LLC Collective fishery "Tihiy okean" on the atmospheric air. The enterprise releases 33 pollutants into the atmosphere. Substances of the first hazard class include: dimethylamine, benzo/a/pyrene. Substances of the second hazard class include: manganese and its compounds, sulfuric acid, hydrogen sulfide, gaseous fluorides, poorly soluble fluorides, phenol, formaldehyde. All other substances belong to 3–4 hazard classes, or are not assigned to any. The work takes into account 23 sources of air pollutio

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19

"Мodern aspects of organization of hygienic monitoring of atmospheric air as a factor of providing sanitary-epidemic mechanical disease". Actual problems of modern medicine, № 4 (2019). http://dx.doi.org/10.26565/2617-409x-2019-4-08.

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The harmful effects of man-made air pollution cause impaired functioning of many systems of the human body, posing the greatest danger to the health of children. Both Ukrainian and foreign scientific researches have proved that not only increase in the number of diseases of the respiratory system takes place, but also the prevalence of allergic diseases and a decrease in cognitive function of schoolchildren. The relationship between atmospheric air pollution in school districts and the presence of diseases among schoolchildren has been established. Some chemicals, such as lead and manganese, c

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20

Muntian, L. Y., V. S. Cherno, and H. V. Niepieina. "Modeling of spatial and temporal assessment of territorial risk in case of accidents during transportation of chemically dangerous goods by rail." Naukovì dopovìdì Nacìonalʹnogo unìversitetu bìoresursiv ì prirodokoristuvannâ Ukraïni, no. 2(90) (May 6, 2021). http://dx.doi.org/10.31548/dopovidi2021.02.004.

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During the operation of railway transport, various pollutants are emitted into the atmosphere. Sources of pollutants on rail transport are divided into two main classes. The first class is moving sources. The second is stationary sources. From the standpoint of assessing the level of environmental safety and environmental protection, it is necessary to identify two main types of emissions of pollutants. The first type is an organized issue. For example, the emission of fuel combustion products during the operation of a locomotive. The second type is unorganized emission in case of emergencies

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