abstract of coal mining

Coal Mine Methane Recovery - EPA

ABSTRACT This Coal Mine Methane (CMM) Recovery Primer is an update of the 2009 CMM Primer, which reviewed the major methods of CMM recovery from gassy mines. [USEPA 1999 b, 2000, 2001 a,b,c] The intended audiences for this Primer are potential investors in CMM projects and

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Mathematical Model of Benefits and Costs of Coal Mining ...

Abstract and Figures. Environmental sustainability is a key issue of the coal mining sector. This is because the impact of damages on activities undertaken in this sector is deemed vulnerable to ...

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1 IntroductIon to south AfrIcAn coAl mInIng And explorAtIon

The majority of coal is derived from open-cast mines (±53%) and underground bord-and-pillar operations (40%), while stoping (4%) and longwall mining (3%) make up the balance. the importance of coal mining in south Africa Coal is South Africa's most plentiful and cheapest source of energy. The coal …

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Estimation of the exertion requirements of coal mining ...

abstract = "The work requirements of coal mining work were estimated by studying a group of 12 underground coal miners. A two level (rest, 300 kg.m/min) test was performed to estimate the linear relationship between each subject's heart rate and oxygen consumption. Then, heart rates were recorded during coal mining work with a Holter type recorder.

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Subsidence from Underground Mining: Environmental …

'Colorado School of Mines, Golden, Colorado 80401 cal. Past coal mining practice left much coal in the ground as pillars that are difficult to recover. Pre­ sent-day emphasis is on improving extraction per­ centage. Because both the methods of extraction and the number of mines will increase overall sub­

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Coal Sampling and Analysis Standards

Coal Centre – Coal sampling and analysis standards 4 Abstract Each year, billions of tonnes of coal are traded in regional and international market for use in power generation, steel and cement making, and many other purposes. In commercial operations, the price of coal

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COAL RESOURCES OF MONTANA - MBMG

1 COAL RESOURCES OF MONTANA Jay A. Gunderson and John Wheaton Montana Bureau of Mines and Geology, Billings, Montana ABSTRACT Coal has been a valuable source of energy and vital part of Montana's history and economy for 200 years,

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Impact of coal mining on stream biodiversity in the US and ...

Coal mining is a major cause of land-use change in the US, and according to the Energy Information Administration it is expected to remain a key part of the national electricity portfolio until at ...

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4 Coal Mining and Processing | Coal: Research and ...

Underground coal mining is more common east of the Mississippi River, particularly in Appalachia. Some of the largest underground coal mines, each producing around 10 million tons annually, are located in Pennsylvania and West ia. The largest underground mining complex in the United States produces about 20 million tons per year.

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Local Economic Impacts of Coal Mining in the United States ...

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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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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STUDY OF THE HEALTH EFFECTS OF COAL MINING ON COAL …

ABSTRACT The average emission and prevalence of Methane (CH4), Carbon monoxide (CO), and Oxygen ... used on all three selected coal mine sites to find out the effects of coal dust, coal waste and coal gases exposure on the health of coal mine workers. To ascertain the specific and precise harmful

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Occupational Safety and Health of Coal Mine Workers in ...

Abstract. Mining is essential in the economic development of any country endowed with mineral resources. In Kenya, for instance, one block of coal in the Mui Basin has enough coal to bring in KES. 3.4 trillion into the economy.

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Abstract - Impacts of Coal Mining in Witbank, Mpumalanga ...

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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(PDF) Impacts of Coal Mining in Witbank, Mpumalanga ...

Abstract and Figures. 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 ...

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Green technique in coal mining (Journal Article) | ETDEWEB

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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(PDF) Characterisation of coal-mine waste in solid ...

Abstract and Figures. Recently, issues pertaining to surface disposal of coal-mine wastes, particularly environmental pollution, have been the focus of increasing national and international ...

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Abstract of Ledo Coal Mining and Its Impact on Women Livelihoo

Ledo Coal Mining and Its Impact on Women Livelihood. ... Abstract: Ledo coal mineis situated in North-eastern part of India. It is a small place situated in Tinsukia district. Its geographical area covers from27017.272? N & 95045.012' E (Tapadar, et al., 2015). A Ledo is a part of Makum coalfields, which is an opencast type of mine.

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Women in coal mining (Journal Article) | OSTI.GOV

Abstract. This paper presents views of a mine engineer with regard to acceptance of women into America's coal industry. Topics include how attitude toward women in mining has greatly changed, how miners eroded the ''macho'' image, and how unbalanced media coverage slowed acceptance.

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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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A review of coal mining accidents in Nigeria over a 10 ...

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. [EVALUATION OF THE INCIDENCE OF ACCIDENTS AS A BASIS FOR PREVENTIVE MEASURES IN COAL MINING INDUSTRY].

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Estimation of the exertion requirements of coal mining work

Abstract The work requirements of coal mining work were estimated by studying a group of 12 underground coal miners. A two level (rest, 300 kg X m/min) test was performed to estimate the linear relationship between each subject's heart rate and oxygen consumption. Then, heart rates were recorded during coal mining work with a Holter type recorder.

Read more...

Coal Mining and Regional Economic Development

Abstract Coal mining did not curse the long run development of Pennsylvania's anthracite and bituminous regions. From 1850 to 1950, mining positively impacted the economies of the state's coal counties, especially the bituminous-producing counties. As manufacturing production became more energy-intensive around the

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Implementation of smart safety helmet for coal mine ...

Abstract: This paper presents implementation of safety helmet for coal mine workers. This helmet is equipped with methane and carbon monoxide gas sensor. This sensor sense the gas and the data is transmitted to the control room wirelessly, through a wireless module called X …

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Coal In The Philippines Present Status And Future Potential

Coal mining has been carried out in Cebu for the last 50 years, although it has been characterized by a very crude mining technology. Due to the limited size of coal deposits and complicated geology, however, Cebu's share of the total national production is expected to go down to only 10 percent by 1985.

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Vulnerability and sustainable development model of coal ...

Abstract: The development of coal-mining cities in Northeast China is the hot topic which the country pays attention to. The article carries out the vulnerability appraisal of coal-mining cities in Northeast China from three levels of natural system, economic system, social system and from three description angles of exposure, sensitivity, and resilience.

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Environmental and other effects of mining and transport

Abstract Historically coal mining is associated with damage to natural landscapes and the rise and fall of the mining communities which grow up around mine sites. But the sector has grown and most mining companies now act with forward planning and responsibility to minimise potential negative effects on mining land and, in

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abstract of coal mining - greenrevolution.org.in

1 Abstract Environmental impact assessment is a decision making tool to predict the effect of a proposed activity/ project on the environment, to compare various alternativesOpen cast mining and underground mining (room pillar, long wall, drift, shaft, slope mining) are some types of coal mining.

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The History of the Coal Mining Industry and Mining ...

Soma Coal Mine Disaster of May 13, 2014. It is the mining accident with the highest number of casualties in Turkey. A fire broke out because of an explosion, and many miners were trapped. In total, 301 miners lost their lives in this disaster. Three shifts …

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Use of Wetlands for Treatment of Environmental Problems in ...

ABSTRACT. Wetland treatment of environmental problems resulting from coal mining far outnumber non-coal-mining applications. Instead of reviewing existing technologies, this chapter reviews the chemistry of metal mine drainages and differences from coal mine drainages; analyzes the geochemistry of metals removal within wetlands; and summarizes ...

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Preliminary Study of Coal Mining Reclamation Using Forest ...

Abstract. The problem of post-mining coal management through the reclamation of former mining land has become a national issue in Indonesia. One important thing is how to do land reclamation and restore the preservation of the natural environment. Reclamation characteristics are open space, high light intensity, high temperature and extreme ...

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Impact of coal mining on environment: a case study of ...

Abstract. The present paper deals with the impact of underground coal mining on environment at pathakhera area of Western Coalfields Limited nearby 200 Km from headquarters at Nagpur (Maharashtra). Presently, WCL has 84 coal mines grouped into 10 operational areas, seven in Maharashtra viz., Nagpur, Umrer, Wani, Majri, Chandrapur, Ballarpur and ...

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Opencast coal mining and rural livelihoods: a study of ...

The demand of coal has led to expand the mining activities nationwide, which helps to improve the economic growth of the national capital. At the same time, it is the source of inevitable social and environmental consequences. In the developing countries, especially rural areas are often affected by this complex nature of mining. The local livelihood suffers most by mining-induced displacement ...

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Effect of Environmental Factors on Soil Nutrient Loss ...

Request PDF | Effect of Environmental Factors on Soil Nutrient Loss under Conditions of Mining Disturbance in a Coalfield | Abstract: Underground coal mining can result in land deformation (e.g ...

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