Academic literature on the topic 'Atmospheric unorganized emissions'

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Journal articles on the topic "Atmospheric unorganized emissions"

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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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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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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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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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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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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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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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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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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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Conference papers on the topic "Atmospheric unorganized emissions"

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Shugaeva, N. S., and E. S. Len. "ANALYSIS OF THE INFLUENCE OF ENTERPRISES OF THE CONFECTIONERY INDUSTRY OF THE FOOD INDUSTRY ON ATMOSPHERIC AIR ON THE EXAMPLE OF THE COMPANY PC «KRASNY PISHCHEVIK»." In SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2021. http://dx.doi.org/10.46646/sakh-2021-2-230-233.

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The full cycle of marshmallow production is considered including the preparation of production batches, processing and processing of raw materials, as well as the production of confectionery directly. These and other processes taking place at the plant are sources of air pollution. The plant has 58 sources of pollutant emissions of which 52 organized and 6 unorganized, 3 stationary sources of emissions are equipped with gas-fired gas. The main pollutants are: nitrogen dioxide, sulphur dioxide, carbon monoxide, sugar dust. More than 90% of the dust emitted by sugar, which has explosive properti
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