coal mining abstract

Coal Mining Abstract

(PDF) Impact of Coal Mining on Environment

Coal mining adversely affects the eco-system as a whole. On the unstable earth, the un-resting mankind constantly uses a variety of resources for daily lives. Coal is recognized to have been the ...

Coal Mining, Economic Development, and the Natural ...

Abstract: Coal mining has a long legacy of providing needed stone in isolated communities but it is also associated with places that suffer from high poverty and weaker long-term economic growth. Yet, the industry has greatly changed in recent decades. Regulations, first on air, have altered the geography of coal mining, pushing it west from Appalachia. Likewise, technological change has ...

Assessment of Impacts of Coal Mining in the …

23.07.2018 · Abstract. Coal and coal seam gas mining have impacts on the water and sediment quality in the proximity of the mining areas, increasing the concentrations of heavy metals downstream of the mine discharge points. The objective of this study was to assess the impact of coal mining on the environment in the Sydney region, by investigating macroinvertebrates and chlorophyll as indicators of ...

Economic and social indicators between coal …

Downloadable (with restrictions)! Coal mining is deemed beneficial for the national economy, although it might not be the case at regional level. Main benefits from coal mining at national level include exports, government royalty, employment, and income. At regional level, coal mining can increase stress not only on the environment but also on public services, housing, and stone markets.

(PDF) Coal Mine Accidents - ResearchGate

[Show full abstract] mining is responsible for discharging huge amount of mine water, mine diseases and accidents which are the constituent of these social and environmental problems. The ...

Sustainable landscape management study on coal …

The rising mining activity caused rising environment degradating impact which influence environment quality with serious consequence not only locally but also globally. Environmental damage can be minimized if environmental protection is prioritized in coal mining development strategy. The assessment accomplishment of environmental management in coal post-mining forest area can be observed from...

Physical simulation of upper protective coal layer …

Abstract Protective coal layer (PCL) mining is a preferred regional method for preventing coal and gas outbursts; stress‐relief of PCL mining is the prerequisite of pressure‐relief gas drainage. In...

Distribution law of floor stress during mining of …

Floor stress distribution is the main index for evaluating the mining effect of upper protective coal seam. However, parameters currently used in theoretical analysis of mining-induced stress lack ...

Geospatial analysis of residential proximity to …

During coal surface mining, several activities such as drilling, blasting, loading, and transport produce large quantities of particulate matter (PM) that is directly emitted into the atmosphere. Occupational exposure to this PM has been associated with an increase of DNA damage, but there is a scarcity of data examining the impact of these industrial operations in cytogenetic endpoints ...

History of coal mining - Wikipedia

The history of coal mining goes back thousands of years. It became important in the Industrial Revolution of the 19th and 20th centuries, when it was primarily used to power steam engines, heat buildings and generate electricity. Coal mining continues as an important economic activity today. Compared to stone fuels, coal yields a higher amount of energy per mass and can often be obtained …

“Three plies in top coal” theory and its application …

【Abstract】The authors studied the top coal’s fracture process in fully-mechanized top coal caving mining for ultra-thick coal seams with some combined research methods such as laboratory test, numerical simulation, analog simulation and theoretical analysis.According to the studies, front abutment pressure plays a key role in the cracks development and fracture in the middle and lower ...

Radiological Status of Drinking Water Sources …

The radioactivity of drinking water sources around Okaba coal mining area in Ankpa local government area of Kogi state, North central Nigeria have been carried out using a low background Gasless Alpha- Beta Counting System (Protean Instrument Corporation) – MPC 2000DP. The gross alpha and gross beta activity of water samples from four (4) sources (river/stream, borehole, sachet water and ...

(PDF) Environmental Impact Assessment of Coal …

Coal Mining is a development activity, which is bound to damage the natural ecosystem by all its activities directly and ancillary, starting from land acquisition to coal beneficiation and use of...

Detecting surface coal mining areas from remote …

01.01.2017 · abstract = "Detecting surface coal mining areas (SCMAs) using remote sensing data in a timely and an accurate manner is necessary for coal industry management and environmental assessment. We developed an approach to effectively extract SCMAs from remote sensing imagery based on object-oriented decision trees (OODT). This OODT approach involves three main steps: …

Annals of the American Thoracic Society - ATS …

Abstract Send to Citation Mgr. Add to Favorites. Email to a Friend ... At first glance, the public health challenges of coal mining and their resolution seem straightforward. Coal miners are killed, injured, and sickened by their work. Coal-burning power plants emit hazardous pollutants that threaten the health of the public and the planet. Eliminating coal-fired power plants—“radical ...

Geomechanics of Australian open cut coal mining …

Abstract: Australian black coal and brown coal mining is an important contributor to the Australian economy. The intent of this stone is to provide concise reference information to geotechnical practitioners. Geology of coals, coal measures rocks, overburdens, and groundwater are described. Mining operations for the black coal and brown coal industries are very different. Both are outlined to ...

Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is a pit, and the ...

Environmental impacts of subsidence around the …

21.06.2016 · Environmental impacts of subsidence around the Barapukuria Coal Mining area in Bangladesh. M. Farhad Howladar 1 Energy, Ecology and Environment volume 1, pages 370 – 385 (2016)Cite this article. 2862 Accesses. 3 Citations. Metrics details. Abstract. Underground coal mining-induced land subsidence has large impacts on different components of natural environment such as …

Open Cast Mining Methods In Assam

Influence of open cast mining on the soil influence of open cast mining on the soil properties of guwahati-781014 assam india.Abstract- open cast coal mining cause severe coal mines of …

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