abstract of coal mining

Safety Management of Coal Mining Process NASA ADS

Safety Management of Coal Mining Process NASA ADS

With the gradual strengthening of national coal mine safety inspection work. But people still lack safety awareness in the coal mine production process. The lack of attention to safety management has led to many safety accidents in the production process of the coal mine industry. Effective supervision of the coal mine production process is of great significance to protect the safety of coal ...

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Occurrence and Remediation of Coal Mine Bumps A

Occurrence and Remediation of Coal Mine Bumps A

OCCURRENCE AND REMEDIATION OF COAL MINE BUMPS: A HISTORICAL REVIEW By Anthony T. lannacchione' and Joseph C. 2elanko2 ABSTRACT One of the most difficult, longstanding engineering problems associated with coal mining is the catastrophic failure of cog mine …

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Modeling of Underground Coal Mining Processes NASA ADS

Modeling of Underground Coal Mining Processes NASA ADS

This paper presents a comprehensive simulation model of underground coal mining processes in a fully mechanized longwall mining face. A number of simulation experiments were performed. The face productivity is estimated as a function of various factors such as the technical parameters of mining machines, face length, gas factor, shearer operation mode, distributed geomechanical characteristics ...

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Coal Mine Methane A Review of Capture and Utilization

Coal Mine Methane A Review of Capture and Utilization

abstract. Coal mine methane (CMM) is a term given to the methane gas produced or emitted in association with coal mining activities either from the coal seam itself or from other gassy formations underground. The amount of CMM generated at a specific operation depends on the productivity of the coal mine, the gassiness of the coal

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The reuse and recycling of coal mining waste with zero

The reuse and recycling of coal mining waste with zero

abstract = Coal mining industries generate hundreds of millions of tonnes of waste coal, rock and cleaning waste stream containing fine coal (a by-product of previous coal processing operations), coal gangue, coal sludge, fly-ash, coal mine drainage and coal bed methane (CBM) that contaminate the landscape in the mining areas.

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Environmental issues from coal mining and their solutions

Environmental issues from coal mining and their solutions

Mar 01, 2010 Coal mining wastes have, therefore, to be properly managed to ensure the long-term sta- bility of disposal facilities and to prevent or minimize any water and soil pollution arising from acid or alka- line drainage and leaching of heavy metals. 2.5 Air pollution Air pollution from coal mines is mainly due to the fugitive emission of particulate ...

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Electoral Response to the Decline of Coal Mining in the

Electoral Response to the Decline of Coal Mining in the

Nov 28, 2020 Abstract. Replacing coal with cleaner energy carriers is a crucial lever to reach the Paris climate targets. However, as coal decline results in local job loss, political backlash might arise, jeopardizing the clean energy transition. Yet, we lack evidence on whether such backlash exists.

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Environmental impact of coal mining and coal seam gas

Environmental impact of coal mining and coal seam gas

abstract = The extraction of coal and coal seam gas (CSG) will generate produced water that, if not adequately treated, will pollute surface and groundwater systems. In Australia, the discharge of produced water from coal mining and related activities is regulated by the state environment agency through a pollution licence.

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IMPACT OF COAL MINING ON WATER QUALITY

IMPACT OF COAL MINING ON WATER QUALITY

The samples are collected from two different coal mining regions, IB Valley and Talcher area, of the state of Odisha. The analysis was carried out to find the effect, coal mining activities were having on the water quality of the mines. The purpose was also to compare the effects on the water quality of the two different mines from different ...

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Search results for mining.

Search results for mining.

Abstract: This paper deals principally with the socio-economic impact on the local Iban community in Mukah Division, Sarawak; with the commencement of the open-cut coal mining industry since 2003. To-date there are no actual studies being carried out by either the public or private sector to truly analyze how the Iban community is coping with ...

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Influence of gas outburst dynamic flow on mine ventilation

Influence of gas outburst dynamic flow on mine ventilation

Jul 23, 2021 Coal and gas outburst is one of the most serious disasters in coal mine production. The coal powder and high-concentration gas produced by the outburst can cause casualties and property losses, as well as damage the mine ventilation system. 1–5 1. Q.

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Prediction of coal and gas outburst risk by fuzzy rock

Prediction of coal and gas outburst risk by fuzzy rock

Abstract. The sudden outburst of coal and gas is a complex and dynamic incident in the underground coal mines, resulting in the. release of thousands of tons of coal and large amounts of gas into ...

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Environmental performance indicators of China's coal

Environmental performance indicators of China's coal

Downloadable (with restrictions)! This research develops a bootstrapped Malmquist environmental performance indicator for exploring the operating efficiency and variability of productivity estimates in China's coal mining industry, as it is the world's largest coal producer with massive undesirable outputs of degraded mining lands and carbon emissions.

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Advances in Coal Mine Ground Control ScienceDirect

Advances in Coal Mine Ground Control ScienceDirect

Abstract. With the improvement of coal mining technology and equipment, the yield, efficiency and intensity of longwall working face increase continuously. However, the surface subsidence caused by high-intensity mining becoming more and more serious. This chapter starts with a definition for high-intensity mining and its current situation, and ...

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Treatment of waste water in coal mining . Abstract

Treatment of waste water in coal mining . Abstract

To arrive at the top five similar articles we use a word-weighted algorithm to compare words from the Title and Abstract of each citation. [Prospects for the sanitary protection of the Samara river in connection with the growth of coal mining in the western Donbass region]

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A study on key lean enablers of the coal mining sector

A study on key lean enablers of the coal mining sector

Dec 09, 2020 Abstract. Purpose. The purpose of this research is to identify and study the contextual relationships of the significant lean enablers in the Indian coal mining industry using the application of interpretive structural modeling (ISM), matrice d' impacts crois s-multiplication appliqu e un classement (MICMAC) and structural equation ...

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Green technique in coal mining Journal Article ETDEWEB

Green technique in coal mining Journal Article ETDEWEB

Jul 01, 2003 Abstract. The concept of green technique in coal mining was proposed. Its connotation and technical system were explained. The theory of the green technique in coal mining is the distribution behaviour of joints, fractures and bed separations, and the seepage flow behaviour of methane and water in the broken rock strata caused by the key strata ...

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The Effect of Brown Coal Mining on the Environment and

The Effect of Brown Coal Mining on the Environment and

Abstract. Coal mining has proven negative impacts on the landscape and health of inhabitants. Solid dust particles and SO2, which are the main polluting substances in coal mining and burning, are the main causes of diseases in areas with intensive coal mining. This contribution deals with areas in the Czech Republic which have the greatest ...

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Abstract Impacts of Coal Mining in Witbank Mpumalanga

Abstract Impacts of Coal Mining in Witbank Mpumalanga

Dec 31, 2019 Abstract: Coal mining plays a critical role in the economy of South Africa though posing detrimental environmental effects on aquatic life and the terrestrial environments with one of the major impacts resulting in the deterioration of scarce water resources. From an eco-legal perspective, that is, a legal and environmental assessment approach, the study evaluates the implications of the coal ...

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Eye catching abstract photos reveal mining's scars on our

Eye catching abstract photos reveal mining's scars on our

Apr 15, 2021 Eye-catching abstract photos reveal mining’s scars on our planet. From a helicopter above mined land in Germany, a photographer documents the results of extracting coal …

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The European coal curse SpringerLink

The European coal curse SpringerLink

Mar 04, 2021 Abstract. In this paper we examine the impact of natural resource wealth by focusing on historical coal-mining across European regions. As an exogenous source of variation in coal extraction activities, we rely on the presence of coal-deposits located on the earth’s surface, which historically facilitated the discovery and extraction of coal.

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Management of Coking Coal Resources ScienceDirect

Management of Coking Coal Resources ScienceDirect

Abstract. The coking coal sector of the Indian coal-mining industry is riddled with a multiplicity of problems. This book examines the problem of the scarcity of coking coal resources and offers solutions through innovation in different areas. The book takes a holistic approach leading to technically feasible, and economically viable, solutions.

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Rare earth elements study of Cretaceous coals from Benue

Rare earth elements study of Cretaceous coals from Benue

Jul 25, 2021 According to the vertical variation of elements contents among coal seams, most of elements in Group 1 are depleted in coal seam 4-2 except …

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Local Economic Impacts of Coal Mining in the United States

Local Economic Impacts of Coal Mining in the United States

Nov 17, 2016 The annual coal mining production data from 1870 to 1931 was acquired from the United States Geological Survey (USGS) and the Bureau of Mines Mineral Resources of the United States documents (USGS 1882–1931). These documents were published from 1882 to 1931 and contain annual county-level coal mining production information.

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Gilbert Incommensurability and corporate social

Gilbert Incommensurability and corporate social

Jul 23, 2021 Abstract. Extractive industries increasingly use compensation measures to silence opposition, divide communities and stop resistance. Cerrej n, Colombia's largest transnational coal mining corporation, has a long history of damaging Indigenous Way u, Afro-Colombian and local communities' health and livelihoods.

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abstract of coal mining greenrevolution.org.in

abstract of coal mining greenrevolution.org.in

Abstract: Coal is one of the primary sources of energy accounting for about 67% of total energy consumption in India. The production of coal has increased from 35 million tons in 1951 toHowever, the coal mining in Tamil Nadu and Orissa is mostly and increasingly dependents on Open-cast mining. …

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The History of the Coal Mining Industry and Mining

The History of the Coal Mining Industry and Mining

Apr 01, 2015 Abstract Three per thousand of the world's coal reserves and 2% of lignite reserves exist in Turkey. Coal mining is the highest ranking industry for accidents and deaths per capita. For this reason, continuous monitoring and more attention should be gıven to the mining industry.

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