How Do Coal-Fired Plants Work? -Duke Energy

In a coal-fired steam station—much like a nuclear station—water is turned into steam, which in turn drives turbine generators to produce electricity. Here's how...

Turning Coal to Liquid Fuel - Scientific American

Mar 26, 2009 ... The U.S.--and the world--has an abundant supply of coal. So does it make sense to turn it into a replacement for oil? David Biello reports.

Coal

Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata ... A fossil fuel, coal forms when dead plant matter is converted into peat, which in turn is converte...

Can Coal Ever Be Clean? - National Geographic Magazine

Air pollution in China, much of it from burning coal, is blamed for more than a .... On the Canadian Great Plains this practice has been turned into one of the...

How Coal Works | Union of Concerned Scientists

Coal itself has a wide variation in properties, so it is categorized into 4 ... the coal mining industry has undergone dramatic change over the past few decades.

Non-renewable energy - BBC

Coal, oil and natural gas are called fossil fuels. They formed ... Coal was formed from plants. Oil and ... They gradually changed into the fossil fuels. When the...

Transforming Energy Teacher Sheet - Science NetLinks

Some energy is always changed into another form; that is, not all of it is converted ... called a turbine, transforming heat energy from burning coal into mechanical...

How is coal formed? - Kentucky Coal Education

Coal formed millions of years ago when the earth was covered with huge swampy ... Bituminous coal derivatives, or by-products can be changed into many...

How Coal Works | Union of Concerned Scientists

In continuous mining, a cutter chops into a coal seam, and loose coal is picked .... By warming the water year-round it changes the habitat of that body of water.

EIA Energy Kids - Coal - US Energy Information Administration

The plants were covered by layers of dirt and rock over millions of years. The resulting pressure and heat turned the plants into a substance now known as coal.

Turning Coal into Liquid Fuel | NCPA

May 1, 2009 ... The coal-to-liquids (CTLs) process changes coal into a synthetic gas which is then converted into combustible liquid fuels. Diesel and kerosene...

What are Metamorphic Rocks? - Quatr.us

Granite, for example, changes into a rarer rock called gneiss (pronounced NICE). ... and then if the coal is under pressure, it can become the metamorphic rock...

How Coal Is Formed - KET

Dec 15, 2005 ... Coal is called a fossil fuel because it was formed from the remains of ... of time, the makeup of the earth's surface changed, and seas and great...

Coal Formation [Athro, Limited: Geology: Gubik Trip]

Apr 15, 1998 ... Coal is usually classified into three grades: Lignite, brown coal; ... becomes compressed and chemicaly changes into low grade coals such as...

Do diamonds really come from coal? | MNN - Mother Nature Network

Dec 9, 2013 ... These impurities alone prevent coal from being turned into diamonds. (The impurities are also why burning coal produces greenhouse gases...

Fossil Energy Study Guide: 300 million years ago 100 million years ...

heat and pressure changed the plants into coal. Coal is called a fossil fuel because it was made from plants that were once alive! Since coal comes from plants,...

The Energy Story - Chapter 8: Fossil Fuels - Coal, Oil and Natural Gas

The peat was squeezed and squeezed until the water came out of it and it eventually, over millions of years, it turned into coal, oil or petroleum, and natural gas.

coal Facts, information, pictures | Encyclopedia.com articles about coal

Coal is usually classified into subgroups known as anthracite, bituminous, lignite, ... To imagine how such changes may have occurred, consider the following...

Converting Coal into Electricity » American Coal Foundation

How is coal converted into electricity? Electricity from Coal Electricity from coal is the electric power made from the energy stored in coal. Carbon, made from...