Strategies to reduce emissions from coal supply
Sources of emissions include seepage from coal seams exposed in surface or open pit mines; drainage systems used to reduce the methane content of coal deposits; ventilation systems (where methane is extracted and vented from underground coal mines as a safety measure); post‐mining activities such as processing, storage and transport when ...
Flooding of Open Pit and Underground Mines in the Chelyabinsk Coal
Abstract The authors examine the present-day hydrogeological situation and its post-mining phase forecast in the Chelyabinsk Coal Field. Geotechnical facilities in the areas of Krasnaya Gornyachka Mine and Kopeisk and Korkino Open Pit Mines are discussed. The problems to arise during flooding are identified. The hydrological …
Study on MICP dust suppression technology in open pit coal mine
With the recent increases in energy demands, the dust hazards of coal mining caused by transportation, loading and unloading and other processes are becoming increasingly serious. 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 …
OPTIMISING THE OPERATIONAL ENERGY EFFICIENCY …
A case study is conducted of an open-pit coal mine in South East Queensland, Australia. Comprehensive sensitivity analysis is presented to verify and validate that the model and solution technique provide valuable opportunities for supporting energy-e ciency improvements both at the case-study mine and for open-pit coal mines in general.
A research on dust suppression mechanism and application technology …
At present, the open-pit coal production of China ranks second in the world (Wang Citation 2014) and is developing toward a large-scale direction.It has been proven that large-scale open-pit coal fields are concentrated in Xinjiang, Inner Mongolia, and other ecologically vulnerable areas (Jiskani et al. Citation 2021).Green mining is the theme of …
Study on coordination development schemes of mining and …
According to the problems caused by the steeper anticline developed within the boundary of the open-pit coal mine, corresponding solutions are proposed in this paper. Among them, to fully release the internal dumping space, an innovative layout and development mode of the stripping and mining working line in the steeper anticline …
Coal mining
Coal mining - Underground mining: In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata. Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then …
Optimizing open-pit coal mining operations: Leveraging …
Dust pollution from Chinese open-pit coal mines (OPCMs) threatens the coexistence of resource development and environmental protection. This research …
(PDF) Open Pit Coal Mines
PDF | On Apr 23, 2019, Cai qing xiang and others published Open Pit Coal Mines | Find, read and cite all the research you need on ResearchGate
Energies | Free Full-Text | New Uses for Coal Mines as …
In the context of sustainable development, revitalising the coal sector is a key challenge. This article examines how five innovative technologies can transform abandoned or in-use coal mines into sustainable energy centres. From solar thermal to compressed air energy storage, these solutions offer a path to a more sustainable …
Tracking the Vegetation Change Trajectory over Large-Surface Coal …
The annual production of the Heidaigou open-pit coal mine reached 25 Mt/a in 2006 after capacity expansion and renovation, making it the largest open-pit coal mine in China . The secondary expansion and renovation project of Heidaigou Coal Mine began construction in June 2011, and the raw coal production capacity was increased to 34 Mt/a.
Revolutionizing Open-Pit Coal Mining in Indonesia with …
With digital twin technology, the solution provides map services, spatial data services, and 3D services based on SuperMap iServer to reproduce the real scene of open-pit coal mines. At the beginning of the mining project, the terrain data can be imported, and geographical grids of different degrees of fineness can be constructed according to ...
A Data-Driven Approach to Control Fugitive Dust in Mine
Surface mining is frequently classified into open pit and strip mining based on the type of the deposit. Strip mining is a mining method that is commonly implemented to flat and tabular deposits such as coal and is generally considered as being safer and economically efficient compared with underground mining.
Monitoring Mining Activities Using Sentinel-1A InSAR Coherence in Open
Long-term continuous monitoring of the mining activities in open-pit coal mines is conducive to planning and management of the mining operations. Additionally, this faciliatates assessment on their environmental impact and supervises illegal mining behaviors. Interferometric Synthetic Aperture Radar (InSAR) technology can be …
Research on production capacity planning method of open …
The Chenbaerhuqi coal field in Hulunbuir City, Inner Mongolia Autonomous Region of China, is where the Baorixile open-pit coal mine is situated (as shown in Fig. …
Transparency on greenhouse gas emissions from mining to …
While application of such technologies can be limited at operations such as open-pit mining, there are opportunities to implement mitigation technologies in underground mining to reduce GHG ...
OPEN PIT COAL MINING WITH INTELLIGENT MINING …
The longwall mining method was used and the whole seam thickness was mined by top coal caving method.LW130602 is mining 6# coal seam.The current …
Pressure to decarbonize: Drivers of mine-side emissions
Evident in the distribution of open-pit and underground mines, excavation type, and to a lesser extent mine depth and fugitive methane, drives variations in emissions intensity for metallurgical coal operations (Exhibit 2). When coal is mined, the surrounding methane that developed as the coal formed over time is released into the atmosphere.
Strategies to reduce emissions from coal supply
Sources of emissions include seepage from coal seams exposed in surface or open pit mines; drainage systems used to reduce the methane content of coal deposits; …
Open Pit Metals Solution
the only solution purpose built for the mining industry. There is no other solution that can match the 45+ years RPM have focused on to deliver the industry standard today. Underpinning RPM's Open Pit Metals Solution (OPMS) is a powerful scheduling engine that does all the heavy lifting without compromising sophistication and capabilities.
The next frontier in open-pit mining
Jun 20, 2024 2:14 PM CEST. Watch 01:47. The energy transition relies on materials and minerals that are frequently mined in open pits. develops equipment for surface …
Open Pit Mining
Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones …
Analyzing Characteristics of Particulate Matter Pollution in Open-Pit
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 basis for the prevention and control of particulate pollution. We took the problem of PM concentration at the bottom of the …
What are the main methods of mining? | American …
There are four main mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more expensive and are often used to reach deeper deposits. Surface mines are typically used for more shallow and less valuable deposits. Placer mining is used to sift out valuable metals from sediments in river channels, …
Open-Pit Mining | Method and Process | Epiroc US
Open-pit mining technology. Open-pit mining clearly offers a number of economic advantages over underground mining, especially now that mineral-processing technology has advanced to the stage …
Cerrejon Open-pit Coal Mine, La Guajira, Colombia
Cerrejon Coal Mine. The Cerrejon coal mine in Colombia is the biggest open-cast coal mine in Latin America and one of the largest surface coal mining operations in the world. It is a high-quality thermal coal mining operation jointly owned by Anglo American, BHP, and Glencore each holding one-third of the shares.
Study on MICP dust suppression technology in open pit coal mine
Electron microscopy images of different kinds of solutions sprayed on the coal dust after 48 h are shown in Fig. 1. Fig. 1 a shows the electron microscopy images of water acting on coal dust. As illustrated in the figure, water does not leave obvious traces after drying on coal dust, and the coal dust particles are still in an independent …
Energy efficient scheduling of open-pit coal mine trucks
The focus will be on excavation and haulage activity at an open-pit coal mine, as it is an area of high energy consumption, cost and opportunity for productivity improvements (Department Resources Energy and Tourism, 2010, Norgate et al., 2007, U.S. Department of Energy, 2007). ... To solve the model quickly enough for the case …
Landslide mechanism and stability of an open-pit slope: The …
Of these, the landslides at the Shengli open-pit coal mine (Zhang et al., 2010), Fuxin Haizhou open-pit coal mine (He et al., 2011), and the Fushun West open-pit coal mine (Nie et al., 2017) are typical examples of the instability and failure of open-pit coal mine slopes. These examples indicate that rainfall is the most important factor that ...
