Fossil Fuels

Fossil Fuels - SCI Notes 3/15 Laposata Fossil Fuels Global...

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SCI Notes 3/15 Laposata Fossil Fuels Global Primary Energy Supply o Oil – 34.4% o Coal – 24.4% o Natural Gas – 21.2% o Renewables – 13.3% o Nuclear – 6.5% o Combustible – 10.6% o Hydro – 2.2% Fossil Fuels consist of…. o Coal Remains of swamp plants o Oil Remains of Plankton o Natural Gas Remains of swamp plants/plankton Remains altered by temperature and pressure Chemical energy from hundreds of millions of yrs ago o PDF (Fossil Fuel Potential Energy) Coal o PDF (Underground Mining) o Old days: Coal seams mined by hand
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o Now: Mining process mechanized o Long wall Mining o Underground Mining Dangers Fires: Coal dust, flammable gases ignite Lamps for light (old days), sparks from machinery Centralia, PA Eastern Pennsylvania coal region 1962 – Trash fire in mine pit spreads to coal seam o Fire spreads through old coal mines 1984 – 1991 – Residents bought out, evacuated Gases: Causes explosions, toxic when inhaled
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This note was uploaded on 06/16/2011 for the course SCI 1101 taught by Professor Jbrock during the Spring '07 term at Kennesaw.

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Fossil Fuels - SCI Notes 3/15 Laposata Fossil Fuels Global...

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