solution for coal mining in water areas

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  • A review on investigation of water-preserved coal mining

    2018-11-29 · The aim of water-preserved coal mining is to maximize the social and economic efficiency. WPCM refers to the technology to seek the best solution to balance coal mining efficiency and water carrying capacity in arid and semi-arid area. The solution is to be achieved by controlling the movement of rocks to maintain the stability of aquifers of

  • Cited by: 14
  • Lignocellulosic Bio Decomposition : A Green Solution in

    Coal mining resultant air, water and land pollution which can be minimise to some extent with many available Solution in Coal Mining Areas Iqbal Ansari and Kumar Nikhil .

  • Environmental issues from coal mining and their

    2010-3-1 · The production of coal mining wastes can be decreased 10% by reuse of mining wastes as underground fills, or by using the waste as fuel for power plants or for raw material to make bricks or other infrastructure materials. The proper use of mined land must be decided in terms of local physical and socio-economical conditions.

  • Cited by: 296
  • Water Resources Utilization and Protection in the Coal

    2019-2-4 · The biggest difference between water resource utilization and management in coal mining area and other region is that the supply of water resources for coal mining area is severely affected by

  • Cited by: 5
  • Ground Water Contamination in Coal Mining Areas

    2020-4-16 · In coal mining and industrial areas, the surface and ground water is usually polluted and contaminated. In such areas, water is being contaminated by overburden dump. Surface impoundments, artificial recharge, waste disposal in wet excavation, mine water, industrial effluents, acid mine drainage, tailing pods, etc. (Chandra, 1992).

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  • STATUS OF WATER QUALITY IN COAL MINING AREAS OF

    2009-1-23 · important parameter to assess water quality. Dissolved oxygen was found to be low in water bodies of coal mining areas, the lowest being 4.24 mg/L in river Rawaka and stream Metyngka of Rymbai. However, DO in water of river Myntdu was found 10.2 mg/L. Sulphate: The waters of the mining areas have been found containing sulphate concentration

  • Causes, Effects and Solutions for Mining E&C

    In the mining process, several resources can be recovered, including coal, metals, limestone, potash, clay and much more. Mining is done with the goal to obtain materials which cannot be obtained at the surface and can also not be created artificially in an economically-senseful way.

  • Mining and Water Quality USGS

    2021-5-9 · Acid mine drainage (AMD) consists of metal-laden solutions produced by the oxidative dissolution of iron sulfide minerals exposed to air, moisture, and acidophilic microbes during the mining of coal and metal deposits. The pH of AMD is usually in

  • Project Amazonia: Solutions Mining

    2002-12-6 · Project Amazonia: Solutions Mining Problem. Excessive unregulated mining is causing serious harm to the Amazon ecosystem. Hypothesis. A decrease in illegal mining, along with better practices for legal mining, would decrease negative impact on the environmental without significantly disrupting the product supply.

  • Mining and Water Pollution — Safe Drinking Water

    2016-12-17 · Types of Water Pollution from Mining. There are four main types of mining impacts on water quality. 1. Acid Mine Drainage Acid Rock Drainage (ARD) is a natural process whereby sulphuric acid is produced when sulphides in rocks are exposed to air and water. Acid Mine Drainage (AMD) is essentially the same process, greatly magnified.

  • A review on investigation of water-preserved coal mining

    2018-11-29 · Keywords Water-preserved coal mining (WPCM) Ecological water table Ecological fragile mining areas Western China Water conducting fissure zone 1 Introduction Yushenfu mining area of Jurassic coal field is located in the west of China, more specifically, the southeastern margin of the Ordos basin, which is a transition zone between the

  • Water Resources Utilization and Protection in the Coal

    2019-2-4 · The biggest difference between water resource utilization and management in coal mining area and other region is that the supply of water resources for coal mining area is severely affected by

  • Impact of historic coal mining on surface water quality

    2020-8-13 · More specifically, historic mining activities in the area to the south of the Butterknowle Fault, which acts to separate the local mining block from other areas of the coalfield where mine water levels are currently managed through pumping by the Coal Authority.

  • by Adsorption onto Leftover Coal MDPI

    2020-5-28 · Ethiopian coal mining areas, as an adsorbent for the removal of phosphate from aqueous solutions in 3 in 1000 mL of de-ionized water then labeled as ‘phosphate solution or working solution of leftover coal (initial solution concentration ranging from 0.5 mg/L to 25 mg/L, the temperature at 20 C and pH = 3.5) in 100 mL Erlenmeyer

  • BIOTREATMENT OF POLLUTED WATER -VIS-A-VIS

    Coal mining and other related industries discharges water into river, streams and nallahs which goes as waste without any fruitful utilization. When this water drains through a large area of the mine it carries with it many soluble minerals that may present either in the coal or associated rocks, thus causing degradation of water

  • Coal and Water Pollution Union of Concerned

    2017-12-6 · 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 drainage.It happens when certain substances (typically

  • Coal Producer Improves Safety and Opens New Mining

    2019-8-9 · New Mining Areas with Advanced Water Spray Technology Continued Results: FloMax® air atomizing nozzles have improved safety in the mine and allowed the coal producer to mine areas that were previously untapped. Because the production value of a single continuous miner can far exceed US$50,000 per day, the additional coal produced in the mine

  • Coal mining threatens people’s access to water in

    2016-12-16 · Coal mining threatens . people’s access to water in Mpumalanga, South Africa. u. South Africa is one of the thirty driest countries in the world. This is due to its geographical location and low annual rainfall, however, large-scale mining . operations also have an increasing negative impact on the country’s water quality and availability.

  • DISCHARGE WATER HANDLING AND TREATMENT:

    2012-8-29 · water needs to be removed from active mining areas. Environmental concerns, law, and regulation require coal mines only to discharge water of an acceptable water quality. However, contact of the ground water with contaminates in and around the coal seam, especially minerals such as pyrite, often requires costly water treatment facilities to meet

  • No water solution for the Pascua Lama Mine

    2013-4-16 · If the rates of growth of extreme rainfalls increase by 1.5% per year, as evident in some mining areas of Canada, there is a potential for a 60% increase in erosion due to extreme rainstorms.

  • Coal Mining and Local Environment: A Study in

    The long-term and continuous mining of coal deteriorates the natural environment as it sheds negative influences on the nearby water bodies and soil. 10 However, the regular disposal of millions of wastewater into the nearby water bodies is the main cause of pollution of water. 25 More specifically, the release of chemical particles with the

  • Alberta environment minister claims coal mining

    2021-3-18 · There is a well- documented relationship between mountain coal mine rock dumps and selenium contamination of surface water. Additionally, re-allocating water in a basin where water has been fully allocated for a long while should quite rightly concern those that rely, critically so, on an adequate supply of high quality water.

  • Coal mining in northeast India: an overview of

    2016-5-25 · Swer S, Singh OP (2004) Status of water quality in coal mining areas of Meghalaya, India. In: National seminar on environmental engineering with special emphasis on mining environment. NSEEME, 19–20 March, Dhanbad, India. pp 26–33. Tiwary RK (2001) Environmental impact of coal mining on water regime and its management.

  • by Adsorption onto Leftover Coal MDPI

    2020-5-28 · Ethiopian coal mining areas, as an adsorbent for the removal of phosphate from aqueous solutions in 3 in 1000 mL of de-ionized water then labeled as ‘phosphate solution or working solution of leftover coal (initial solution concentration ranging from 0.5 mg/L to 25 mg/L, the temperature at 20 C and pH = 3.5) in 100 mL Erlenmeyer

  • Mining and Water Pollution IntechOpen

    2018-9-25 · Mining and Water Pollution 349 2. Case study 1: Water quality in gold mining operations in the Witwatersrand Basin, South Africa The Central Rand goldfield of the Witwatersran d Basin, South Africa has been one of the most important gold mining areas in

  • Mining Texas Groundwater Protection Committee

    Solution Mining Underground injection is the technology of placing fluids underground, in porous formations of rocks, through wells or other similar conveyance systems. In mining operations, fluids can be injected into the ground to dissolve substances and

  • Assessment of air pollution around coal mining area

    2014-1-1 · Coal dust is reported as the major pollutant in the air of open cast coal mining areas (Vallack and Shillito, 1998). The primary source of fugitive dust at fully operational surface mine may include overburden (OB) removal, blasting, mineral haulage, mechanical handling operations, minerals stockpiles and site restoration ( Appleton et al., 2006 ).

  • Coal: Extraction and Energy Production Impacts on Birds

    2015-8-5 · Without proper care, coal mining (both surface and subsurface) can destroy land and pollute water. When coal is then burned to produce energy, it gives off carbon dioxide, the main greenhouse gas that is linked with global warming. Burning coal also produces emissions, such as sulfur, nitrogen oxide, and mercury that can pollute the air and water.

  • Pollution from Mining University of Illinois at Urbana

    2009-7-4 · Sub-surface mining frequently goes below the water table so water must be constantly pumped from the mine. Acid mine drainage results from the outflow of water from metal mines, coal mines, or other areas in which the ground has been disturbed. Metal salts, such as Fe +2, are oxidized upon contact with air to more highly acidic aquo species

  • No water solution for the Pascua Lama Mine

    2013-4-16 · If the rates of growth of extreme rainfalls increase by 1.5% per year, as evident in some mining areas of Canada, there is a potential for a 60% increase in erosion due to extreme rainstorms.