in coal mining dumps

Evaluation of the ecological restoration of a coal mine dump by ...

2020年3月1日 Ecological restoration of coal mine dumps has become a key factor in maintaining ecosystem health. Despite widespread recognition of its importance, relatively

Adverse effects of coal mine waste dumps on the environment

2013年1月31日 Waste dumps generated from mining that exposes sulfur-bearing overburden can be active sources of acid generation with the potential to severely contaminate soils,

Slope stabilization of coal mine overburden dumps: life cycle ...

2024年6月10日 However, it frequently results in the generation of waste rock known as overburden (OB) that leads to the creation of large overburden dumps (Fig. 1) comprised of

Spoil characterisation using UAV-based optical remote sensing in

2023年10月26日 The structural integrity of mine dumps is crucial for mining operations to avoid adverse impacts on the triple bottom-line. Routine temporal assessments of coal mine

Ecological restoration of coal mine waste dumps: A case study in

Citations. Metrics. Reprints Permissions. Read this article /doi/full/10.1080/17480930.2023.2199379?needAccess=true. ABSTRACT. This study focuses

Analysis of Plant and Soil Restoration Process and

2020年3月17日 In this study, the ecological stability and the process of plant and soil restoration were investigated at different refuse dumps in three coal mines, namely, the Wulanhada (WLHD) coal mine, the Liulingou (LLG) coal

Extraction of sand from the complex matrix of coal mining dump

2024年6月1日 Dump waste generated by open cast coal mining industry is a significant global source of environmental pollution, land degradation and possesses threats to the

Effects of soil and topographic factors on vegetation restoration in ...

2016年2月26日 A key strategy for ecological restoration in an opencast coal mine dump located in a loess area involves improvements in soil conditions and increases in the area of

Environmental investigation of pollutants in coal mine

The increasingly severe emissions of greenhouse and poisonous gases from environmentally unsafe stockpiled coal mine waste dumps have urged people from the academia as well as the industry to focus on environmental impact

Coal mining waste in Poland in reference to circular economy principles ...

2020年6月15日 Further reuse of coal mining waste also has a positive effect on land reclamation and restoration, which in turn will minimize the size of mining dumps. Non-energy uses of coal may be found in the chemical industry, but some production methods may raise additional questions regarding excessive CO 2 emissions.

Geothermal Utilization of Smoldering Mining Dumps

2015年1月1日 Smoldering mining dumps and their high temperatures represent a high energetic potential, which has not been utilized so far. In the scope of a joint research project the geothermal utilization of smoldering mining dumps has been investigated. In this context, a pilot plant consisting of three borehole heat exchangers was installed on a mining dump in the

Adverse effects of coal mine waste dumps on the environment

2013年1月31日 Coal mining generally produces very high volumes of waste. In underground coal mining, these waste dumps are often located in areas of shortest hauling distance from mine openings. These dumps are the active sources of environmental impacts that can endanger and/or threaten both ecological and social systems in a region.

Chapter 16. Coal Mining and Combustion in the Coal Waste Dumps

2015年12月31日 The problem of burning coal-waste dumps in Poland is serious. Coal mining has produced millions of tons of coal wastes every year. In numerous dumps, efforts to avoid self-heating and self ...

(PDF) Coal mining waste management and its impact on the

2010年1月1日 There are 380 coal-mining waste dumps, including 76 active dump sites covering over 2,000 ha. About 15-16 million tonnes/year of waste rock is being reused for civil engineering purposes in the ...

Coal mining in Kuzbass and new technologies for revegetation of dumps

Coal mining in Kuzbass and new technologies for revegetation of dumps Aleksandr Kopytov1*, Oleg Kupriyanov2,3, Yury Manakov4, and Andrey Kupriyanov3 1T.F. Gorbachev Kuzbass State Technical University, Vesennyaya 28, Kemerovo, the Russian Federation, 650000 2Kemerovo Branch of the Institute of Computational Technologies of SB RAS, Kemerovo 3

Recovery of compaction resources in internal dump of gently

1 天前 For the mining work of end-pressed coal in open-pit mines, the space at the bottom of the pit is usually used to recover the compressed coal seams 19.In the same way, this method is also used to ...

Coal Mining and Combustion in the Coal Waste Dumps of Poland

2015年1月1日 Coal mining in Poland is confined to three coal basins: the Upper Silesian Basin (USB) where coal exploitation has lasted for 250 years, the Lower Silesian Basin (LSB) around Nowa Ruda and Wałbrzych, and the Lublin Basin (LB). Poland is the biggest producer of hard coal in the European Union. The coal output in Poland is 100 million tons per year, which is

Probabilistic Slope Stability Analysis of Coal Mine Waste Rock Dump

2023年6月27日 Coal mine waste rock is generated during coal extraction and is usually disposed of in non-engineered dumps. The dumps are extended vertically to 100–120 m height to reduce the spatial footprint.

Shifts in composition and function of soil fungal communities and ...

2021年5月1日 Overall, the data suggest that soil fungal community composition and function within an open-cast coal mining dump reclamation chronosequence changed during the period following artificial re-vegetation, with interactions between edaphic properties and soil fungal communities associated with these changes.

(PDF) Classification of fires in coal waste dumps based on Landsat ...

2020年11月11日 Classification of fires in coal waste dumps based on Landsat, Aster thermal bands and thermal camera in Polish and Ukrainian mining regions November 2020 International Journal of Coal Science ...

Extraction of sand from the complex matrix of coal mining dump

2024年6月1日 Due to its abundant supply, coal mining will always be necessary for energy use until considerable energy production from other alternative sources is realized (Gielen et al, 2019).In addition to water and soil pollution a drop in water levels, and the depletion of surface water deforestation, landscape alteration, species extinction, and the loss of other natural

(PDF) Coal mining waste management and its impact

Influence of material composition on post-failure behavior of ...

2023年5月29日 Failure of in-pit overburden dumps in open-pit coal mines causes debris to flow toward the active working face, threatening the safety of people and equipment. The evaluation of the potential mobility of failing mass will aid in hazard mitigation associated with unwarranted dump failure. The potential mobility is shown by mobility ratio (ratio of total drop between

Geothermal Utilization of Smoldering Mining Dumps

2015年1月1日 Mining dumps are common in coal mining areas. Nevertheless, it is a little known fact that smoldering fires occur inside these dumps due to self-ignition ( Dortmann and Hein, 1991 ). Eight smoldering mining dumps are known to occur in North Rhine-Westphalia (especially in the Ruhr area) alone, and their number is significantly higher throughout

Classification of fires in coal waste dumps based on Landsat, Aster ...

2020年11月11日 A self-heating intensity index (SHII) based on the highest (pixel max.) and lowest (pixel min.) values taken from satellite thermal maps of burning coal waste dumps are proposed. The index enables the classification of such fires in Ukrainian- and Polish coal waste dumps. Both in Ukraine and in Poland, varying thermal intensities during 1985–2019 are

Site Type Classification and Ecological Restoration Technology ...

2023年7月17日 In order to study the counterpoint configuration about the types of mining sites and ecological restoration technologies, open-pit coal mine dumps that had been ecologically restored, since many ...

REMOTE SENSING DETECTION FOR SUBSIDENCE-RESULTED

images of Yanzhou coal mining area acquired in 1987. It was 1revealed that, in Yanzhou mining area, the area of solid-waste dumps and mining subsidence-resulted water bodies in 2002 was 0.90 times and 2.87 times greater than that in 1987 respectively. The main changed areas of mining subsidence-resulted water bodies were located nearby Nantun,

Occurrence, leaching, and mobility of major and trace elements

2021年4月1日 Among these dumps, the São Pedro da Cova (SPC) waste dump has been the subject of several studies that revealed a case study of great scientific interest (Ribeiro et al., 2010a; c; 2012; 2017a).In recent years, two research projects focused their activities in SPC waste dump: ECOAL-MGT - Ecological management of coal waste piles in combustion; and,

Exploring the World's Largest Mining Dump Trucks

2019年6月11日 Caterpillar 797F. Caterpillar 797F, the latest model of 797 class dump trucks manufactured and developed by Caterpillar, is the second-biggest mining dump truck in the world. The truck has been in service since 2009. It can carry 400t of payload compared to its predecessor models 797B and the first generation 797, with payload capacities of 380t and

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