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  • From Canadian Coal Mines Toxic Pollution That Knows No
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    Apr 01 2019 0183 32 Massive open-pit coal mines in British Columbia are leaching high concentrations of selenium into the Elk River watershed damaging fish populations and contaminating drinking water Now this pollution is flowing across the Canadian-US border threatening the quality of US waters...

  • Martin County coal slurry spill
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    The Martin County coal slurry spill was a mining accident that occurred after midnight on October 11 2000 when the bottom of a coal slurry impoundment owned by Massey Energy in Martin County Kentucky broke into an abandoned underground mine below The slurry came out of the mine openings sending an estimated 306 million US gallons 116 million cubic metres 116 billion litres of slurry...

  • What Is The Environmental Impact Of The Coal Industry
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    Apr 25 2017 0183 32 As previously mentioned the practice of valley fills results in contaminated water and increased instances of flooding This however is not the only impact of the coal industry on local water suppli The coal mining industry requires the use of significant amounts of water for...

  • West ia spill latest example of coal tainting US
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    Jan 20 2014 0183 32 The spill of a coal-cleaning chemical into a river in Charleston WVa left 300 000 people without water It exposed a potentially new and under-regulated risk to water from the coal industry...

  • EPA to weaken federal curbs on waste from coal
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    Nov 03 2019 0183 32 The proposals which scale back two rules adopted in 2015 affect the disposal of fine powder and sludge known as coal ash as well as contaminated water...

  • Trump s EPA Made It Easier for Coal Plants to Pollute
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    Sep 24 2018 0183 32 The practice contaminated thousands of miles of US rivers and streams according to federal estimates making coal facilities the largest industrial source of toxic wastewater...

  • Crews Fight Spill Of Toxic Sludge
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    Oct 28 2000 0183 32 Workers are feverishly trying to clean up a massive spill of toxic coal sludge that broke through the wall of a slurry sediment pond in southeastern Kentucky collapsed an underground mine...

  • Heavy Metals Contamination Assessment of Water and Soils
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    Jun 04 2017 0183 32 In order to evaluate the heavy metals contamination of groundwater in Barapukuria Coal Mine BCM area and its vicinity nine groundwater samples from different location two waste water either treated and/or untreated that were used to irrigate in and around the coal mine areas three surficial soil samples 20cm depth and a coal dust sample were collected during March 2015...

  • Mining Waste
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    Irena Twardowska Jadwiga Szczepańska in Waste Management Series 2004 VI61 Introduction Mining waste disposal permanently brings about a contamination threat to groundwater of unprotected aquifers and surfacewater in dumping sites all over the world As was shown in Chapter III6 even a non-hazardous coal mining waste layer of 15-m thickness can be a persistent source of...

  • Underground Coal Mining Methods to Abate Water Pollution
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    ----- Underground Coal Mining Methods to Abate Water Pollution A State of the Art Literature Review Coal Research Bureau West ia University Morgantown West ia 26506 for the ENVIRONMENTAL PROTECTION AGENCY Project No 14010 FKK December 1970 For sale by the Superintendent of Documents US Government Printing Office Washington DC 20402 - Price 60...

  • Costs of Remediation at Mine Sites
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    ----- Costs of Remediation TABLE OF CONTENTS 10 INTRODUCTION 1 11 Cost Factors 1 12 Organization of Report 3 20 ACID ROCK DRAINAGE 4 21 Waste Rock Pile 5 22 Underground Mine Drainage 10 30 SEEPAGE AND OVERFLOW FROM LEACH SYSTEMS AND TAILINGS IMPOUNDMENTS 13 31 Overflow or Breach of an Impoundment Structure 13 32 Leakage from the Face or Toe of a Dam 14 40 MINE...

  • Coal waste found to be a ticking time bomb across
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    Jul 01 2019 0183 32 Coal waste found to be a ticking time bomb across Australia but the coal ash mixed with water and piped into a giant unlined dam site nearby What you have is a poisonous slurry...

  • Hollow promises Top coal scientist warns Albertans of
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    Feb 16 2021 0183 32 A conveyor belt transports coal at the Westmoreland Coal Co s Sheerness Mine near Hanna Alta onTuesday Dec 13 2016 One of North America s top experts on coal mine...

  • Toxic Coal Ash and Coal Slurry Citizens Against Longwall
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    Coal mines use roughly 2 million gallons of water daily to wash coal when it comes out of the ground Coal slurry is the contaminated process water that is leftover It contains elevated levels of chlorides sulfates arsenic lead mercury and selenium Coal companies dispose of coal slurry...

  • Coal Mining Effluent Guidelines Effluent Guidelines US EPA
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    Wastewater is generated during the mining process from groundwater produced during coal extraction from water used by operators for equipment cooling and dust control and from precipitation entering min Wastewater is also produced during the coal preparation process and from contaminated stormwater at coal storage faciliti...

  • Debate continues over how to dispose of coal slurry
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    Jul 28 2010 0183 32 Environmental activists and residents living near mines have questioned the wisdom of pumping the waste far underground citing lawsuits in West ia that claim coal slurry has contaminated...

  • The story behind the water crisis in Martin County
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    Feb 19 2018 0183 32 The water crisis in eastern Kentucky can be traced back to the bursting of a coal slurry dam owned by Massey Energy in 2000 The story behind the water crisis in Martin County Kentucky -...

  • West ia Chemical Spill Exposes a New Risk to Water
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    Jan 18 2014 0183 32 The spill of a coal-cleaning chemical into a river in Charleston WVa that left 300 000 people without water exposes a potentially new and under-regulated risk to water from the coal...

  • Coal Mine Impoundment Safety Critical Transitions in
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    Apr 26 2012 0183 32 Coal mine impoundment failures have provided valuable lessons for future impoundment design construction maintenance and regulation In February 1972 several coal waste impoundments in West ia failed in series and released 130 million gallons of water and coal slurry...

  • Massey Energy
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    The Martin County coal slurry spill was called the worst ever environmental disaster in the southeastern United States by the EPA The spill smothered all aquatic life in the streams and left residents with contaminated drinking water Cleanup costs for the spill were approximately 50 million Aracoma Alma Mine...

  • After the Spill Life in West ia s Coal Country
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    Jan 09 2015 0183 32 Some days I would be in the plant basement waist deep in this coal sludge the same stuff that contaminated my water when I was a kid preparing it to be pumped up to a slurry dam...

  • From coal a new source of rare earths
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    Active coal mines are required to treat acid mine drainage before the water can be discharged into streams and rivers They must remove iron aluminum and manganese and bring the pH up to 6 to 9...

  • US Mines Unleash Millions of Gallons of Polluted Water
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    Feb 21 2019 0183 32 Every day many millions of gallons of water loaded with arsenic lead and other toxic metals flow from some of the most contaminated mining sites in the U...

  • Pumping the polluted water from mines
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    Jun 03 2014 0183 32 The Coal Authority says the levels of metal contamination in the mine water at Wheal Jane will gradually reduce as the water washes the contaminants away from the exposed surfaces of the old mine...

  • Wastewater and stormwater minimisation in a coal mine
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    The subject of this study is the acid water produced by mining Wastewater resulting from coal mining can be divided into mine water process wastewater domestic wastewater and storm water 7...

  • How the 1966 Aberfan Mine Disaster Became Elizabeth II s
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    Dec 14 2020 0183 32 Coal mining creates waste and the waste rock was dumped in an area called a tip Merthyr Vale had seven tips By 1966 the seventh tip which...

  • Coal Mine Stability Concerns Due to Slurry Backfilling
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    Nov 16 2019 0183 32 One of the effective alternatives for surface disposal would be slurry backfilling which allows injection of fine coal refuse into void area of abandoned room-and-pillar coal min Due to the vast mined area in the US slurry backfilling method has become more common approach for coal waste disposal than surface disposal...

  • What Is a Coal Slurry with pictures
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    Jan 19 2021 0183 32 Coal slurry is a waste product of coal mining Components in slurry come from the coal and the chemicals used in processing it The washing or purifying process reduces pollution-causing contaminants in the coal but these impurities then become part of the slurry The composition of coal slurry varies depending on the coal and the processing...

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