WEBNov 17, 2015 · PART 1. BACKGROUND. 1. The Scottish Opencast Coal Taskforce was set up in 2013 in response to two coal company liquidations which had repercussions for employment, continued coaling and restoration at a number of sites across the Scottish coalfields. The Taskforce is represented by the affected councils, the Coal Authority, the .
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WEBJul 26, 2023 · In order to improve dust pollution control in opencast coal mines, this study combines prospect theory with evolutionary game theory, analyzing the evolutionary game process of coordinated governance activities of coal mining enterprises, local regulators, and social camps in the management of dust pollution against the backdrop of national ...
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WEBNov 29, 2022 · Coal mining in the opencast mines of ShanxiShaanxiInner Mongolia energy circle in China produced large amounts of refuse dumps which heavily damaged the landscape, covered large areas of land, and generated many environmental problems, such as the high risk of soil erosion caused by winds or precipitations, making land .
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WEBMar 1, 2022 · Such work provides a theoretical foundation and technical support for systematic research on the process of land reclamation in large opencast coal mines (Song et al., 2020). In general, the important roles of monitoring and evaluating the land reclamation effects at different stages in guiding the ecological restoration of degraded .
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WEBSep 16, 2022 · Planning and managing equipment systems of surface mining are critical for achieving higher production and productivity. Poor performance of equipment systems can endanger the economic viability of mining operations []–[].OB removal is a major process in the surface mining of coal, accounting for over 60% of the mining cost [4, .
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WEBJun 1, 2018 · In coal mining process in Pingshuo opencast mine, the overburden, covered on the coal seams, is stripped, transported and piled to form largescale dumps. Thus, the dump is predominately soils and rocks with large diameter and the slope phase distribution of a dump is of ladder terrain with relative height about 100–150 m and step .
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WEBThe pillars are extracted using a surface mining method referred to as opencast pillar mining, with an aim of maximizing coal recovery from the pillars. The selection and design process of the opencast pillar mining method was also influenced by the coal production rates and demand from the power station.
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WEBMay 9, 2019 · The study area is laid in the reclaimed area of an opencast coalmining, and the surface covering soil contains phosphorus and kalium during the process of soil reconstruction. With vegetation restoration, the organic acids produced by the decomposition of vegetation litter can release the phosphorus and kalium elements from .
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WEBOct 1, 2023 · Coal is the major source of power in India and world over. Coal mining is an essential industry which has a major role in the economic development of the country. Most major mining activities contribute directly or indirectly to air pollution. Coal dust is a major air pollutant which affects the personal working in the mines and also people residing in .
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WEBMay 20, 2020 · The reclamation of surface (opencast) coal mines is not always successful; there remains a legacy of degraded land that burdens local communities. This article evaluates a communityoriented, lowcost means of geoecological regeneration, the "Cradle for Nature" strategy, which uses mosaic tree planting to foster positive natural ecological .
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WEBJul 18, 2022 · opencast coal mines is an essential appliion in previous studies. Caro explored the relationship between surface deformation and subsurface water levels to provide rough
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WEBMar 10, 2019 · Opencast coal mining causes serious damage to the natural landscape, resulting in the depletion of the carbon sequestration capacity in the mining activity. There are few studies on the variation of carbon sequestration capabilities caused by land use changes in opencast mining areas. This paper uses six images were used to quantify .
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WEBMar 1, 2018 · Opencast coal mining can lead to a large number of environmental problems, including air pollution, water pollution, and solid waste occupation. ... Moreover, mined land reclamation was an ...
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WEBApr 1, 2020 · The specific determination process followed that used by an earlier study (Wu et al., 2018). Briefly, approximately g of a soil sample was digested with 10 mL of HCl at ∼190 °C until the solution was reduced to 3 mL. ... The boundary of each opencast coal mining pit was delineated based on the remotesensing images of Landsat 7 ETM (http ...
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WEBThe diversity, composition and ecological guilds of soil fungal communities in relation to revegetation were assessed during an opencast mining dump reclamation chronosequence of the soil <1, 5, 10, 15 and 20 years after the start of reclamation. Soil pH and electrical conductivity, total nitrog .
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WEBNov 6, 2023 · Opencast mining has the advantages of high resource recovery rate, good safety conditions, high labour efficiency and large production scale. When producing the same capacity of coal, the cost of ...
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WEBApr 3, 2017 · Coal mining methods Download as a PDF or view online for free ... Open pit mining is the process of mining a near surface deposit by means of a surface pit excavated using one or more horizontal benches. ... It is one of the open cast mining methods with a high degree of mechanization employing either power shovel or a .
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WEBRock benches at the top of the blastcasting area are divided horizontally. The coal seam in the second mining districts inclines from North to South with the dip angle increasing. As a result, the bench height for the blastcasting technique ranges from 35 m to 50 m with the width of the blasting area being 85 m.
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WEBMay 15, 2019 · Dramatic changes in soil during opencast coal mine activities inevitably change soil water and solute movement. The objectives of this study were to assess the effects of mining on solute transport in different soil profiles and to find the relationships between solute transport parameters and soil physicochemical characteristics. After .
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WEBDec 1, 2018 · Semantic Scholar extracted view of "Characterizing the effects of opencast coalmining and land reclamation on soil macropore distribution characteristics using 3D CT scanning" by Jinman Wang et al. ... To study the effects of mechanical compaction on soil macropore structure in the process of reclamation, this study investigated reclaimed .
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WEBApr 1, 2015 · the ener gy consum ption in opencas t mines is ar ound 90%. from petr oleum fu els and 10% fro m electr ical ener gy [5]. In. the case o f opencast mines, there is a hug e consu mption of. By. HSD ...
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WEBJul 25, 2019 · The opencast method is a dominant method and accounts for more than 90% of the total coal produced in India. In opencast mining, overburden (waste rock) is removed to access the coal seam (Dash ...
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WEBNov 29, 2023 · The massive devastation of natural habitats is perhaps one of opencast coal mining's most striking consequences. Large tracts of land must be cleared as part of the process, uprooting complex ecosystems. Such a drastic loss of biodiversity directly threatens several species due to the disappearance of topsoil and vegetation.
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