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Composition of Coal

Composition of Coal. In addition to Carbon & moisture, coal also contains Hydrogen Sulfur Nitrogen Mercury Where do you suppose these go when coal is burned? What else is released during combustion?. Uses of Coal. Coal has been used for over 2000 years as a fuel.

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Composition of Coal

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  1. Composition of Coal • In addition to Carbon & moisture, coal also contains • Hydrogen • Sulfur • Nitrogen • Mercury • Where do you suppose these go when coal is burned? • What else is released during combustion?

  2. Uses of Coal • Coal has been used for over 2000 years as a fuel. • 200 years ago, coal was used in steam engines because it had a higher energy content than wood. • Today, coal is used almost exclusively to generate electricity.

  3. Coal in “Coal”orado 57% of the electricity generated and used in Colorado comes from coal. Why?

  4. Electrical Generation in Colorado *One Megawatt (MW) is one million watts.

  5. A Review of Energy Transformations 3. Mechanical/Kinetic Energy 4. Electrical Energy 1. Chemical Energy 2. Thermal (heat) Energy

  6. Coal is made of… Carbon Sulfur Nitrogen Hydrogen Mercury

  7. When coal is burned Sulfur Oxides (SOx) Nitrous Oxides (NOx) Gases are released into the atmosphere Carbon Oxides (COx) Mercury Particulate Matter

  8. Above and Beyond • http://tonto.eia.doe.gov/kids/energy.cfm?page=coal_home-basics • http://www.wfu.edu/~ylwong/balanceeq/combust.html • http://www.msnbc.msn.com/id/5174391/

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