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Wednesday, July 15, 2020 | History

2 edition of Underground coal mining methods to abate water pollution found in the catalog.

Underground coal mining methods to abate water pollution

West Virginia University. Coal Research Bureau.

Underground coal mining methods to abate water pollution

a state of the art literature review.

by West Virginia University. Coal Research Bureau.

  • 121 Want to read
  • 31 Currently reading

Published by [Environmental Protection Agecny, Water Quality Office]; for sale by the Supt. of Docs., U.S. Govt. Print. Off. in Washington .
Written in English

    Subjects:
  • Acid pollution of rivers, lakes, etc.

  • Edition Notes

    SeriesWater pollution control research series
    ContributionsUnited States. Environmental Protection Agency.
    Classifications
    LC ClassificationsTD899.M5 W46
    The Physical Object
    Paginationvi, 50 p.
    Number of Pages50
    ID Numbers
    Open LibraryOL5395203M
    LC Control Number72614117

    COAL MINING METHODS Underground coal mining methods are classified according to the method of ground control (an excellent description of all methods is provided in Samuel M. Cassidy, Ed., Elements of Practical Coal Mining, New York: American Institute of Mining Engineers, ) as either room and pillar or longwall (shortwall is considered a. This study investigated the water pollution impact of mine drainage from an underground colliery that had stopped mining 3 years earlier. After more than a century of operation, the mining stopped, pumping ceased and groundwater accumulated, causing the flooding of the deepest sections (c. 15%) of the mine workings. The mine then began free-draining to the adjacent Wingecarribee River.

    Effects of Underground Coal Mining on Ground Water in the Eastern United States, Volume 1 Effects of Underground Coal Mining on Ground Water in the Eastern United States, Industrial Environmental Research Laboratory (Cincinnati, Ohio). Energy Pollution Control Division Interagency energy-environment research and development program report. Environmental impacts of mining can occur at local, regional, and global scales through direct and indirect mining practices. Impacts can result in erosion, sinkholes, loss of biodiversity, or the contamination of soil, groundwater, and surface water by the chemicals emitted from mining processes. These processes also have an impact on the atmosphere from the emissions of carbon which have.

    Introduction --Findings --Underground coal mining in the eastern United States --Ground-water availability --Water use --Natural ground-water flow patterns --Hydrologic effects of mining --Effects of underground mining on ground-water quality --Effects of surface disposal of mining wastes on ground-water quality --Ground-water problems from. Methods for Estimating Water Withdrawals for Mining in the United States, The mining water-use category includes groundwater and surface water that is withdrawn and used for nonfuels and fuels mining. Nonfuels mining includes the extraction of ores, stone, sand, and gravel. Fuels mining includes the extraction of coal, petroleum, and.


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Underground coal mining methods to abate water pollution by West Virginia University. Coal Research Bureau. Download PDF EPUB FB2

The most common method of eliminating water infiltration has been seal- ing abandoned mines with cement or concrete block. Much success has also been accomplished where the mine was flooded with water preventing oxygen from contacting the pyrite. Those seals which have been placed above the.

Get this from a library. Underground coal mining methods to abate water pollution: a state of the art literature review. [Larry W Wilson; Noah J Matthews; James L Stump; West Virginia University.

Coal Research Bureau.; United States. Environmental Protection Agency. Water Quality Office.] -- The report is a review of published information pertaining to the abatement of harmful drainage from.

Coal mining - Coal mining - Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining.

Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many. The ground subsidence, water resource losses, water pollution, air pollution and other environmental problems induced by coal mining became more and more prominent.

Because the productive life of a coalmine can last for more than half century, the problems mentioned above will continue to a great extent and form the cumulative by: Underground Coal Mining Methods to Abate Water Pollution Underground Coal Mining Methods to Abate Water Pollution: A State of the Art Literature Review Coal Research Bureau West ia University Morgantown, West ia for the ENVIRONMENTAL PROTECTION AGENCY Project No.

FKK December For sale by the Superintendent of Documents, U. Underground Mining Underground mining is usually by the room-and-pillar mining or longwall mining method (Figure E.2).

Even in mines where the longwall method is the principal extraction method, the development of the mine and the longwall panels is accomplished by room-and-pillar continuous mining.

Coal mining - Coal mining - Underground mining: In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata.

Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of service facilities.

The underground mining methods we use include room and pillar, narrow vein stoping and large-scale mechanised mining.

Room and pillar mining is a style of mining where tunnels are driven in a chess board pattern with massive square pillars between them. Underground Mining Methods Classification of Underground Mining Methods Mineral production in which all extracting operations are conducted beneath the ground surface is termed underground mining.

Underground mining methods are usually employed when the depth of the deposit and/or the waste to ore ratio (stripping ratio) are too great. @misc{etde_, title = {Coal mining and water quality} author = {Clarke, L B} abstractNote = {Coal mining activities frequently impinge on water resources.

This report considers the impact of coal extraction on water resources and potential causes of water pollution. The disruption of surface water and groundwater systems by surface and underground mining is discussed. A coal mining method that accounts f or less than 1% of deep coal production, Shortwall involves the use of a continuous mining machine with mov eable roof supports, similar to longwall.

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the s, 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.

Mining is associated with risks such as: potential flooding of pits, uncontrolled discharges and catastrophic collapse of water pollution control dams. Gao et al. () indicated that the coal mining industry is facing complex water resource management challenges such as avoiding non-compliant discharge of mine affected water.

Traditional. WATER POLLUTION CONTROL RESEARCH SERIES • FKK 12/70 Underground Coal Mining Methods to Abate Water Pollution ENVIRONMENTAL PROTECTION AGENCY • WATER QUALITY OFFICE WATER POLLUTION CONTROL RESEARCH SERIES The Water Pollution Control Research Reports describe the results and progress in the control and abatement of pollution in.

The mining method selected for exploitation is determined mainly by the characteristics of the coal deposit and the limits imposed by safety, technology, environmental concerns, and economics. There are two main methods of underground mining: room-and-pillar and longwall mining.

Underground mining (t/t coal produced) Mining Techniques Contour Area Conventional Longwall Liquid effluents 1 Solid waste 10 10 3 5 Dust Source: Based on Edgar, * (Note: Local conditions will form the basis for choosing the appropriate mining method) Pollution Prevention and Control.

Operation Water Pollution focuses on how water pollution occurs and how it is cleaned up and has been designed for a Science and Social Studies collaboration. To access more information on these and other educational activities, as well as additional fact sheets, visit the Safe Drinking Water Foundation website at In some cases underground mining also produces enough spoil to require the construction of valley fills.

Mountaintop and area mining allows for almost complete recovery of coal seams, and reduces the number of workers required to a fraction of what conventional methods require but produces large volumes of excess spoil disposal needs.

Coal mining. Mining operations can negatively impact water supplies, often with long-lasting effects. The fundamental issue involves contamination of nearby rivers, lakes, and aquifers by what comes out of a coal mine—usually highly acidic water containing heavy metals like arsenic, copper, and lead.

The process is known as acid mine happens when certain substances (typically. The health and environmental impact of the coal industry includes issues such as land use, waste management, water and air pollution, caused by the coal mining, processing and the use of its addition to atmospheric pollution, coal burning produces hundreds of millions of tons of solid waste products annually, including fly ash, bottom ash, and flue-gas desulfurization sludge, that.The largest number of mine sites are found in Clearfield, Somerset, and Indiana counties.

As of the bituminous region produced a total of 50, tons of coal, w, of those tons produced from underground mining.

Coal Mining Drainage Prediction and Pollution Prevention in PA (online book, ) (PDF).Chemical, Air & Dust Pollution: Underground mining allows coal companies to dig for coal deeper into the ground. The problem is that huge amounts of earth and rock are brought up from the bowels of the earth.

These mining wastes can become toxic when they are exposed to air and water. Examples of toxins are mercury, arsenic, fluorine and.