Background

contaminants in coal slurry

These Americans don't trust their tap water. Would you ...

The county's water problems first came into sharp focus — and were exacerbated — in October 2000 when a local coal company spilled 300 million gallons (1.16 billion liters) of coal slurry containing high concentrations of arsenic and mercury into nearby waterways.

Martin County coal slurry spill - Wikipedia

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 (1.16 million cubic metres; 1.16 billion litres) of slurry ...

THE DIRTY FACTS ABOUT COAL

slurry ponds, which can leak and contaminate surface and groundwater. 3. TRANSPORT The transport of coal by train, truck, ship or barge is often overlooked as a potential health threat to communities living along transport corridors. Coal trains, trucks and barges emit coal dust, sometimes at intense levels,

Toxic Ash Pond Collapses in Tennessee - Scientific American

All told, about 2.6 million cubic yards of so-called coal ash slurry escaped, the TVA says. The collapsed pond is one of three on the site. ... among many other potentially toxic contaminants ...

What Is a Coal Slurry? (with pictures)

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 ...

Blockage Detection Of Coal Slurry Pipeline

As waste of coal washing industry the coal slurry will cause great pollution to the environment if handled it improperly. The coal slurry is used as fuel in the gangue power plant, and is mixed burning in the circulating fluidized bed boiler. Through the laying of pipe processing method has the great advantage of coal slurry transportation.The ...

Mapping the Coal Ash Contamination | Earthjustice

The most studied case of coal ash damage occurred at Belews Lake in North Carolina in the 1970s, when coal ash-contaminated water from an ash pond at Duke Energy's Belews Creek Steam Station caused a long-term catastrophic toxic event. Selenium poisoning killed 19 of the 20 fish species in 3800-acre Belews Lake.

Method for dewatering coal tailings and slurries and ...

What is claimed: 1. A method of dewatering a mixture of coal railings, water and contaminants from a coal refuse slurry pond, the method comprising the steps of: (a) providing a tank having a base surface and introducing said mixture of coal, tailings, water, and contaminants to said tank and allowing said coal tailings to settle on said base surface, where the tank has an entry point where ...

Method of removing sulfur and other contaminants from the ...

A slurry of coal particles is agitated in an ultrasonic mixer to separate the contaminants from the coal and weaken chemically-bonded contaminants on the coal surface. The clay and pyrite particles are dispersed as a colloid in the aqueous medium of the slurry. Treatment of the slurry with sonic energy also subdivides the particles along ash or ...

MCCC HC-Final Draft 070406

On October 11, 2000, a Martin County Coal Company (MCCC) coal slurry impoundment located south of Inez, Kentucky, collapsed and released approximately 300 million gallons of slurry into two mines located under the impoundment [1]. An impoundment is a holding pond for coal "fines" and wastes from the coal washing process. The slurry

Coal-water slurries containing petrochemicals to solve ...

Coal-fired power stations account for 66% of the power-generating sector in this country (Kucukvar et al., 2017, Guttikunda and Jawahar, 2014). The states with developed coal power industry (China, India, Japan, Russia, the USA, and Australia) register a high air pollution …

Combined Treatments of Underground Coal Slurry: Laboratory ...

1 During the coal mining process, underground water is generated from the longwall face. In the meantime, the coal cutting process would produce coal particles. Coal slurry is generated in the underground working site, especially for water abundant coal mines. The generated coal slurry is treated to prevent water pollution. Due to the extensively existing of the suspended solid, the …

FINAL RESTORATION PLAN AND ENVIRONMENTAL …

abandoned underground coal mine-works. The coal slurry exited through a mine-works surface portal at Gin Creek, causing the release of the coal slurry into a series of tributaries to the Powell River. "Blackwater," a mix of water, coal fines, and clay, and associated contaminants, extended far …

Coal Slurry Catastrophes Continue: West ia Hit With ...

Coal slurry leak in West ia turns a creek into sludge. Water quality specialists taking samples from Fields Creek. Cleanup continues from earlier spill that contaminated drinking water for 300,000 West ia residents. Duke Energy coal ash spill in North Carolina attributed to a leaking storm water pipe. Up to 82,000 tons of ash and 27 million gallons of tainted water spilled into the ...

Coal Ash Rule - Environmental & Energy Law Program ...

Dec. 22, 2008 At the Tennessee Valley Authority's coal plant in Kingston, Tennessee, one of the coal ash impoundment walls breaks and spills more than one billion gallons of coal ash slurry.The slurry and its contaminants affect more than 300 acres, polluting nearby rivers and destroying local infrastructure. The area is designated as a Superfund site in 2009.

Apparatus for dewatering coal tailings and slurries and ...

Apparatus for dewatering coal tailings and slurries and removing contaminants therefrom. Miller, Olen O. A method of dewatering a mixture of coal tailings, water and contaminants comprising the steps of (a) providing a tank having a base surface and introducing said mixture of coal, tailings, water, and contaminants to said tank and allowing ...

Pollution Control Guidelines for Coal Refuse Piles and ...

With existing knowledge of trace elements in coals and coal cleaning wastes, it may be worthwhile to initiate some research and prototype studies to evaluate the physical effectiveness, comparative environmental impacts, and economics of using clay liners to reduce groundwater contamination from coal refuse piles and slurry ponds. 15

COAL SLURRY WASTE UNDERGROUND INJECTION …

vi Foreword This document summarizes public health concerns related to the injection of coal slurry into underground mine voids. This is Phase II of a two-part effort.

Toxic Coal Ash and Coal Slurry | Citizens Against Longwall ...

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 in massive impoundments. Coal slurry impoundments represent a major threat to public health andaquatic organisms due to potential contamination of ...

(PDF) The use of slurry phase bioreactor technology for ...

A number of companies of coal tar contaminated materials from laboratory (10 have developed small pilot-scale slurry phase bioreac- L) to pilot scale (1 ton). The units provided pH and tors to treat PAH contamination.2,3 However, most of temperature control, in order to provide optimum con- Table 1.

Health Effects of Energy Resources

Approximately 1,000 slurry impoundments are located in the coal-mining areas of the Appalachian Basin (fig. 5), each containing from tens of thousands to billions of gallons of coal slurry. A potential concern with coal-slurry impoundments is contamination of surface and groundwater with toxic organic and inorganic substances from the coal slurry.

Prenter Hollow Sues Coal Companies Over Contaminated Water ...

According to the EPA,"[coal slurry] contains harmful contaminants which … may present an imminent and substantial endangerment to human health." Over 2 billion gallons of coal sludge and slurry have been injected in the abandoned …

Coal slurry spill pollutes W.Va. creek | Al Jazeera America

The plant, Patriot Coal, said that levels of MCHM were low and that it is "fully cooperating" with the investigation into the spill. But environmental groups say MCHM isn't the only problem with slurry pollution across coal country, and that other contaminants in the coal slurry can be harmful.

U.S. Fish & Wildlife Service Protecting and Restoring the ...

slurry impoundment associated with a coal processing plant owned by Lone Mountain Processing, Inc. (LMPI) in Lee County, ia, resulted in the release of six million gallons of coal slurry to the Powell River watershed. "Blackwater," a mix of water, coal fines, clay, and associated contaminants, extended more than twenty miles ...

Coal Slurry - an overview | ScienceDirect Topics

The coal slurry is the pumped to the gasifier where the reactions take place in the controlled amount of oxygen. The gasifier effluent contains a mixture of gaseous products including CO, H2, CO 2, H 2 O, Ar, H 2 S and minor quantities of other gases. The reactions in the gasifier takes place at …

contaminants in coal slurry

According to the EPA,"[coal slurry] contains harmful contaminants which … may present an imminent and substantial endangerment to human health." Over 2 billion gallons of coal sludge and slurry have been injected in the abandoned underground mine shafts that border the community.

Investigation, cleanup continues in coal slurry spill

Investigation, cleanup continues in coal slurry spill. The West ia Department of Environmental Protection is continuing its investigation and overseeing the cleanup of a coal slurry spill that occurred in the early morning hours of Feb. 11 at Patriot Coal's Kanawha Eagle Prep Plant near Winifrede. Kanawha Eagle is under an Imminent Harm ...

EPA, coal company argue over waste plan - News - The ...

Ohio Valley Coal and parent company, Murray Energy Corp., paid more than $1 million in state and federal fines and spent at least $6 million to replace a slurry pipeline that was the …

Coal slurry - Wikipedia

Ideally, coal slurry consists only of crushed coal and water, which can be efficiently separated. In practice, the separation is significantly costly due to the large amounts of water needed and wastewater generated by the process. Furthermore, the slurry consists also of very fine coal dust that results in a waste called blackwater.As blackwater cannot be purified by a water treatment plant ...

Coal and Water Pollution | Union of Concerned Scientists

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 ...