Dust pollution is one of the most severe environmental issues in open pit mines, hindering green mining development. Open pit mine dust has characteristics of multiple dust-generating points, is ...
2. Materials and Methods. The research framework of this paper is shown in Figure 1.Firstly, the dust characteristics of the open-pit coal mine operation link were analyzed, the open-pit mine was divided into disturbance areas and non-disturbance areas according to the dust characteristics, and the dust particle size distribution in different areas was given …
To further promote dust control efforts in Chinese open-pit coal mines, this study focuses on the research of coal dust and rock dust produced by different explosions in the Haerwusu open-pit coal mine in China. By investigating the relationship between the physical and chemical characteristics of dust particles from explosions in …
To control the dust pollution caused by open-pit coal mining and reduce or avoid the secondary hazards of existing dust suppressants to the environment, a biological dust suppressant was prepared ...
Qingxiang [40] analyzed dust distribution in a Chinese open-pit coal mine and found that PM concentration is nearly the same throughout the mine, but its concentration is very high around the equipment working area, i.e., 426 g/m3. Quite recently, Li, et al. [36] monitored dust in the Pingshuo mining area, China, to reveal concentration change ...
Open-pit coal mining, a commonly employed method for extracting coal resources, not only plays a crucial role in the development of the coal industry but also leads to significant dust pollution challenges (Wang et al., 2022a, 2022b). The mine dust pollution poses a threat to human health, contaminates the surrounding environment, …
Dust pollution in open-pit coal mines severely restricts the green development of mines. Therefore, dust control has become an important requirement for the sustainable development of the mining …
Based on the dust concentration data and meteorological environment data monitored at the open-pit mine site, the characteristics of dust concentration and the influence of temperature, humidity ...
A large amount of coal dust is generated during the production of open-pit mines. Coal dust, which is called an "invisible killer", has become a major factor …
To control dust in open pit coal mines more environmentally friendly and efficiently, and to promote the use and development of non-in situ high-yield urease …
In addition to the coal dust generated during the coal mining operations, the chemical reaction of calcite (CaCO 3) present in the atmosphere and harmful sulfur dioxide, generated from the ...
The purpose is to provide scientific and effective dust control measures, control the dust source from the root, and formulate practical control measures. Based on the effect of water and sediment reduction, the dust arising mechanism and dust reduction technology of open-pit coal mine are studied. Based on the dust arising mechanism, the QS spray …
Sustainability | Free Full-Text | Research on the Physical and Chemical Characteristics of Dust in Open Pit Coal Mine Crushing Stations and Closed Dust …
PTA B, TM A, PC A et al. (2021) Comprehensive evaluation of potential coal mine dust emissions in an open-pit coal mine in Northwest China. International Journal of Coal Geology 1:1. Download ...
In order to control dust pollution in the entire open-pit coal mine, it should start with the transportation road of the open-pit coal mine. The main influencing factors …
According to the investigation, the average dust concentration in the open-pit coal mines of township enterprises in 10 counties in 7 provinces of China is 5 ~ 43 times of the standard, of which 13% reached the standard value 1. Most of new open-pit coal mines located in the west of China, with Mongolia and Xinjiang leading the way.
According to the investigation, the average dust concentration in the open-pit coal mines of township enterprises in 10 counties in 7 provinces of China is 5 ~ 43 times of the standard, of...
Mine dust pollution poses a hindrance to achieving green and climate-smart mining. This paper uses weather forecast data and mine production intensity data as model inputs to develop a novel model for forecasting daily dust concentration values in open pit mines by employing and integrating multiple machine learning techniques. The …
In an effort to control dust pollution in open-air environments such as pit coal mines and coal transportation systems, a new dust suppressant with a cross-linked network structure was prepared. Graft copolymerization of soy protein isolate (SPI) and methacrylic acid (MAA), using potassium persulfate (KPS) as the initiator and ...
simple method for the effective control of dust pollution in open-pit coal mining [6]. Dust in the atmosphere gener-ally contains sulfur dioxide, and it is extremely harmful to human health. Because of the long-term inhalation of dust containing harmful substances in coal mine workers, the possibility of lung related diseases increases, which even
Dust is a severe environmental issue in open-pit mines, and accurate estimation of its concentration allows for viable solutions for its control and management. This research proposes a machine learning-based solution for accurately estimating dust concentrations. The proposed approach, tested using real data from the Haerwusu open …
In this study, a solar-powered multipoint network monitoring method was used to record dust-particle concentrations and meteorological indicators in the Anjialing open-pit coal mine in the Pingshuo mining area. The factors influencing the concentrations of particulate matter of different maximum diameters (PM2.5, PM10, and …
In an effort to control dust pollution in open-air environments such as pit coal mines and coal transportation systems, a new dust suppressant with a cross-linked network structure was prepared. Graft copolymerization of soy protein isolate (SPI) and methacrylic acid (MAA), using potassium persulfate (KPS) as the initiator and …
other factors (Lee, 1990). In open-pit coal mining, dust produced during coal extraction is a ubiquitous health concern, but other related pro-cesses can also produce dust. So, in open-pit coal ...
] analyzed dust distribution in a Chinese open-pit coal mine and found that PM concentration is nearly the same throughout the mine, but its concentration is very high around the equipment working ...
It was found that dust formation at open-pit coal mines mainly depends on the degree of coal metamorphism. It was also found that coals with a higher degree of metamorphism produce more fine dust.
Dust pollution in open-pit coal mines severely restricts the green development of mines. Therefore, dust control has become an important requirement for the sustainable development of the mining ...
This model can be applied to the prediction of dust concentrations in open-pit mines and provide guidance on when to carry out dust-suppression work. It has …
The particulate pollution in the open-pit coal mines of China is particularly severe in winter. The aim of this study is to understand the pollution characteristics of particulate matter (PM) in winter and provide a …
Spraying water is commonly used for dust suppression in open-pit mines (Peng et al. 2019).A more economical approach is to spray a mixture of a suitable dust suppressant and water (Wang et al. 2019).But some open-pit mines in environmentally vulnerable areas of Northwest China are extremely short of water (Zhou et al. 2016; Hu …
Published: 20 October 2023. Volume 30, pages 114591–114609, ( 2023 ) Cite this article. Download PDF. Zhiming Wang, Wei Zhou, Izhar Mithal Jiskani, Yukun Yang, Junlong …
Traditional dust monitoring techniques for open-pit mines are labor-intensive and resource-demanding, and the dust concentration in these environments is …
During the open pit coal mining process, coal-bearing debris and the fragmented coal from the un-recovered TCS are poured into the waste-dump inside or outside the mining pits. ... Ting C (2009) Research on coal dust starting and dust control in open-air coal storage yard. Shanxi University, pp 27–28. Wang Q (2009) Study on the …
The monitoring instruments were installed at one of the largest open-pit coal mines in China, i.e., Haerwusu Open-pit Coal Mine (HOCM), located in the cold northwest region (111° 13′ 18″ ~ 111° 15′ 20″ E, 39° 43′ 34″ ~ 39° 45′ 02″ N). Fig. 1 shows the specific location and measuring point layout of the mining area.
Operation of mobile equipment on unpaved roads is a major source of fugitive dust in open-pit iron mines . On the other hand, the particle travels from workplaces at an open-pit iron mine and it was concluded that even in the shallow pits during non-operational hours, workers are exposed to higher concentrations of PM . …
The control of coal dust in open-pit coal mines is urgent, and the research and development of new dust suppression materials is imperative. Download : Download high-res image (351KB) Download : Download full-size image; Fig. 1. Statistics of new cases of occupational diseases in the past decade.
In an effort to control dust pollution in open-air environments such as pit coal mines and coal transportation systems, a new dust suppressant with a cross-linkednetwork structure was prepared. Graft copolymerization of soy protein isolate (SPI) and methacrylic acid (MAA), using potassium persulfate (KPS) as the initiator and hexametaphosphoric ...
Dust pollution is one of the most severe environmental issues in open pit mines, hindering green mining development. Open pit mine dust has characteristics of multiple...
Present situation and development direction of coal mine dust control in China [J]. Metal mine, 2009 (S1), pp. 747-752. [6] Xian-kun Yu, Hong Yang. Investigation and discussion on the present situation of occupational hazards [J]. Modern mining, 2016 (5), pp. 173-175. [7] Zhen-yu ZHANG. Dust pollution in open pit mining and its control …