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what is coal

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Coal | Department of Energy

Coal is the largest domestically produced source of energy in America and is used to generate a significant chunk of our nation's electricity. The Energy Department is working to develop technologies that make coal cleaner, so we can ensure it plays a part in our clean energy future. The Department is also investing in development of ...

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Coal - University of Colorado Boulder

1. What Is Coal? Coal is a fossil fuel created from the remains of plants that lived and died about 100 to 400 million years ago when parts of the earth were covered with huge swampy forests.

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Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, 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.

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Coal - International Energy Agency

 · Coal Statistics Annual and quarterly data on coal production and consumption for all countries and complete coal balances and coal trade data for OECD countries and 22 major non-OECD coal-producing and -consuming countries Industry Partners The Coal Industry Advisory Board is a group of high level executives from coal-related industrial enterprises which provides advice to the IEA on a …

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Clean Coal Explained - What Is Clean Coal?

• "Clean coal" usually means capturing carbon emissions from burning coal and storing them under the earth. • Carbon capture and storage works, but is expensive to build or to retrofit onto ...

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What is clean coal technology? | HowStuffWorks

Coal is a fossil fuel composed primarily of carbons and hydrocarbons. Its ingredients help make plastics, tar and fertilizers. A coal derivative, a solidified carbon …

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Coal Facts for Kids

Coal is found under the ground in "coal beds." It is considered a sedimentary rock and is black or brownish-black in color. It is specifically found in rock strata and appears in layers or veins. These are known as coal beds or coal seams.

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What Is Coal Tar Soap? | Our Everyday Life

Coal tar is derived from coal. It is the black, liquid byproduct from the distillation process. This black liquid has antiseptic and anti-inflammatory properties that are used to treat a variety of skin conditions.

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What is Coal made of? - A Knowledge Archive

Coal is more combustible than wood, which is why it is widely used in the power generation sector. At present, coal provides the largest source of electrical energy in the world. There are actually different types of coal depending on volatile contents.

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Coal - Energy and kids

Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons. It is the most abundant fossil fuel produced in the United States. Coal is a nonrenewable energy source because it takes millions of years to create. The energy in coal comes from the energy stored by plants that lived hundreds of millions of years ago, when the earth was partly covered ...

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What is coal? - USGS

Coal is a sedimentary rock made predominantly of carbon that can be burned for fuel. Coal is readily combustible, black or brownish-black, and has a composition that, including inherent moisture, consists of more than 50 percent by weight and more than 70 percent by volume of carbonaceous material.

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coal | National Geographic Society

Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity. It is composed mostly of carbon and hydrocarbons, which contain energy that can be released through combustion (burning).

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West Cumbria Mining - What is Coking Coal / Metallurgical ...

Coking coal, also known as metallurgical coal, is used exclusively as an essential ingredient for steel production. The coal is baked in a coke oven which forces out impurities to …

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Coal | Student Energy

Coal is a combustible black or dark brown rock consisting of carbonized plant matter, found mainly in underground deposits and widely for electricity production.

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What is Coal? - Facts, Types, Formation & Uses - Video ...

Coal is a combustible, sedimentary, organic rock, which is composed mainly of carbon, hydrogen and oxygen. It is formed from vegetation, which has been consolidated between other rock strata and altered by the combined effects of pressure and heat over millions of years to form coal seams. ...

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Coal | Minerals Education Coalition

Coal. Coal is one of the world's major sources of energy. Coal is used to produce nearly one third of all the electrical energy that is generated and used in the United States.

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What is coal? definition and meaning - …

Coal is formed from plants that have been fossilized through oxidation. The end result is a black hard substance that gives off carbon dioxide when burned. Coal is currently the most widely used substance to generate electricity and heat.

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What Is the Difference Between Kerosene & Coal Oil ...

The name "coal oil" is historically linked to Kerosene because of the common misconception that the Kerosene came from the coal. In fact, Kerosene comes from the oil inside the coal. The term "coal oil" is an outdated name which only flourished at the dawn of the oil industry.

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Coal: Anthracite, Bituminous, Coke, Pictures, Formation, Uses

Coal-Forming Environments: A generalized diagram of a swamp, showing how water depth, preservation conditions, plant types, and plant productivity can vary in different parts of the swamp. These variations will yield different types of coal. Illustration by the West ia Geological and Economic Survey.

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U.S. Energy Information Administration (EIA) - Coal

Average weekly coal commodity spot prices (dollars per short ton) Coal commodity regions Week ending; Central Appalachia 12,500 Btu, 1.2 SO 2: Northern Appalachia 13,000 Btu, 3.0 SO 2

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What is Coal Tar Pitch? (with pictures)

 · Coal tar pitch is a byproduct of turning coal into coke or coal gas. It is a sticky, dark brown or black liquid that resists flowing and has a very strong smell.

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Coal Tar and Coal-Tar Pitch - National Cancer Institute

Coal tar is derived from coal. It is a byproduct of the production of coke, a solid fuel that contains mostly carbon, and coal gas. Coal tar is used primarily for the production of refined chemicals and coal-tar products, such as creosote and coal-tar pitch. Certain preparations of coal tar have

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Coal - Energy Education

Coal is a rock formed from the decomposition of plant life. It is primarily composed of carbon, with many other trace elements. Coal's high energy density and extensive reserves found in nature make it useful as a fuel for electricity generation in coal-fired power plants, and in some places, heating.

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What 'Clean Coal' Is — and Isn't - The New York Times

 · Critics note that "clean coal" is a misleading term for any of these techniques. Even a coal power plant that emits fewer pollutants is still a far dirtier way to produce electricity than a ...

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Kids Korner - How Coal is Formed

How Coal is Formed. Coal is a non-renewable energy source because it takes millions of years to form. That means what is in the ground now is all there is and we can't realistically make more.

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Coal | Define Coal at Dictionary.com

Coal is widely used as a fuel, and its combustion products are used as raw material for a variety of products including cement, asphalt, wallboard and plastics. See more at anthracite bituminous coal lignite .

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What is coal? | World Coal Association

Coal is a fossil fuel and is the altered remains of prehistoric vegetation that originally accumulated in swamps and peat bogs. The energy we get from coal today comes from the energy that plants absorbed from the sun millions of years ago.

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Coal facts | Natural Resources Canada

Coal is an organically derived material. It is formed from the remains of decayed plant material compacted into a solid through millions of years of chemical changes under pressure and heat.

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What is coal? - Origin Energy

Most people know coal as a fossil fuel which is used to produce around 40 percent of the world's electricity. 1 It's a flammable black or brown sedimentary rock, and is made mostly of organic carbon.

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Coal - Energy and kids

Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon and hydrocarbons. It is the most abundant fossil fuel produced in the United States. Coal is a nonrenewable energy source because it takes millions of years to create. The energy in coal comes from the energy stored by plants that lived hundreds of millions of years ago, when the earth was partly covered ...

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