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Environmental Contaminants in Coal Slurry Intended

The aqueous suspension of fine refuse, referred to as coal slurry, frequently contains potentially toxic substances, including hydrocarbons, heavy metals, and coal cleaning chemicals. Disposal of coal slurry using underground injection has raised environmental concerns because it may lead to contamination of groundwater and water supplies.

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Coal Slurry - an overview ScienceDirect Topics

Organic contaminants are likely to include anthropogenic chemicals used in the washing water (including fuel oil components, kerosene, and polyacrylamide flocculant) and coal-derived chemicals in the coal solids and in waters leached from the coals such as PAHs (W. Orem, oral comm., 2011).

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Method of removing sulfur and other contaminants

An improved method is disclosed of removing pyritic sulfur and other contaminants from the coil in a coal-oil slurry. In such a slurry, raw pulverized coal is suspended in fuel oil.

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What Is a Coal Slurry? (with pictures) - wiseGEEK

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 methods. Waste products from coal mining and preparation contain potentially toxic organic and inorganic compounds, sulfates, ammonium and heavy metals.

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Coal Refuse and slurry - Center for Coalfield Justice

Each year coal preparation creates millions of gallons of wastewater containing an estimated 13 tons of mercury, 3236 tons of arsenic, 189 tons of beryllium, 251 tons of cadmium, and 2754 tons of nickel, and 1098 tons of selenium.

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COAL SLURRY WASTE UNDERGROUND INJECTION

2010-8-3  Coal Slurry Composition....20 Organic Contaminants 21 Metal and Inorganic Contaminants in Coal Beds ....22

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Coal waste: handling, pollution impacts and utilization ...

2013-1-1  The addition of quicklime to wet coal slurry influences the process in many ways: First comes the formation of calcium hydroxide, which practically means dehydration of slurry and adhesive bonding of grains: [3.1] CaO + H 2 O = Ca OH 2. Then the carbonization reaction occurs, leading to hardening of the agglomerate structure: [3.2] Ca OH 2 + CO 2 = CaCO 3 + H 2 O

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Coal and Water Pollution Union of Concerned

2017-12-6  Although the exact chemical composition depends on the type of coal burned, all coal ash contains concentrated amounts of toxic elements, including arsenic, lead, and mercury. More than 100 million tons of coal ash and other waste products

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Coal Slurry Analyzer SBIR.gov

2020-4-17  Sulfur and ash contaminants in coal can affect the quality, price, and need for environmental controls. Coal preparation plants have several circuits or processes to clean coal, but no instrument exists to measure sulfur and ash in a slurry, and to control the cleaning process.

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Activists raise concerns about coal mine slurry

2010-7-18  A state study on the effect of coal-slurry injection on groundwater in West Virginia proved inconclusive, Cosco said, and the state health department is studying

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Study:’Coal’Slurry’Contaminated’Prenter’Hollow’ Water

2012-1-17  Coal slurry is a frequent attack of environmentalists. The liquid waste of coal processing plants, coal slurry has been linked to a number of ill health effects as well as environmental catastrophe. Nearly 40 years ago, three coal slurry dams failed in Logan County causing the Buffalo Creek Flood, which killed 125 people.

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

2014-2-12  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.

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Health Effects of Energy Resources - USGS

2010-1-28  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.

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Remediate Heavy Metal Contaminants from Coal Ash

ment scenarios: (1) after the scrubbers or in the slurry discharge system, (2) in the containment pond, (3) by filtering the effluent from the containment pond to capture the heavy metals, (4) treating landfill leachate or (5) treating fly ash itself. Remediate Heavy Metal Contaminants from Coal Ash Effluent

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

2011-1-20  slurry impoundment associated with a coal processing plant owned by Lone Mountain Processing, Inc. (LMPI) in Lee County, Virginia, 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 ...

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Method of burning lightly loaded coal-water slurries ...

An improved method is disclosed of removing pyritic sulfur and other contaminants from the coil in a coal-oil slurry. In such a slurry, raw pulverized coal is suspended in fuel oil. In practicing the process, the slurry is heated to a temperature of about 220/sup 0/ C., at which temperature hexagonal pyrrhotite is

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THE DIRTY FACTS ABOUT COAL

2014-9-25  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

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COAL SLURRY WASTE UNDERGROUND INJECTION

2012-1-20  i COAL SLURRY WASTE UNDERGROUND INJECTION ASSESSMENT . Final Report: Phase II . for submission to . West Virginia Department of Health and Human Resources

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Legacy Contaminants - Mobile Bay National Estuary

Alabama Power Barry Steam Plant Coal Ash Pond. In December 2008, a coal ash impoundment in Kingston, TN, experienced a catastrophic failure, spilling more than a billion gallons of coal ash slurry, contaminating more than 300 acres of land and both the Emory

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The Impact of Coal-Powered Electrical Plants and Coal

BACKGROUND In North Carolina, coal-burning power plants remain the major source of electrical production. Coal burning generates coal ash that is stored in landfills and slurry ponds that are often located near residential communities, signifying high potential for environmental contamination and increasing health risks.

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Study:’Coal’Slurry’Contaminated’Prenter’Hollow’ Water

2012-1-17  Coal slurry is a frequent attack of environmentalists. The liquid waste of coal processing plants, coal slurry has been linked to a number of ill health effects as well as environmental catastrophe. Nearly 40 years ago, three coal slurry dams failed in Logan County causing the Buffalo Creek Flood, which killed 125 people.

More

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

2014-2-12  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.

More

The solution to slurry contaminants and maximising

2019-8-21  The solution to slurry contaminants and maximising water reuse. August 21, ... China's demand for NSW's thermal coal has caused record prices above

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Remediate Heavy Metal Contaminants from Coal Ash

ment scenarios: (1) after the scrubbers or in the slurry discharge system, (2) in the containment pond, (3) by filtering the effluent from the containment pond to capture the heavy metals, (4) treating landfill leachate or (5) treating fly ash itself. Remediate Heavy Metal Contaminants from Coal Ash Effluent

More

Health Effects of Energy Resources - USGS

2010-1-28  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.

More

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

2011-1-20  slurry impoundment associated with a coal processing plant owned by Lone Mountain Processing, Inc. (LMPI) in Lee County, Virginia, 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 ...

More

THE DIRTY FACTS ABOUT COAL

2014-9-25  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

More

Adsorption of Surfactants on Coal Surfaces in the

2021-3-11  Coking wastewater, instead of clean water, is used to prepare coking wastewater–coal slurry (CWCS), which can be used as liquid fuel for combustion and gasification. Surfactant adsorption on coal surfaces affects the preparation and industrial application of coal slurry because it is essential for improving the surface wettability of coal. The study of the adsorption kinetics of surfactants ...

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Buried Blackwater: Revealing Coal's Dirty Secret ...

2012-8-8  For decades, coal slurry was unregulated and little was known about where it was being dumped. In two major lawsuits, West Virginians demanded the coal companies be held accountable for years of community-wide contamination and disease likely caused by slurry poisoning their wells.

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Surface Tension Estimates for Droplet Formation in ...

2011-9-9  contaminants, the dynamic surface tension should be equal to the surface tension of pure water. For the K Basin slurries, the effects of surface-active properties of the materials in the slurry, either hydrophobic particles or surface-active contaminants, are expected to

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