Fossil Fuels ch. 19 Oil, Coal, Natural gas How long are each expected to last Location of major reservoirs Major pros and cons of each type What are the.

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Presentation transcript:

Fossil Fuels ch. 19 Oil, Coal, Natural gas How long are each expected to last Location of major reservoirs Major pros and cons of each type What are the major environmental advantages and/or hazards? What are the major human health issues?

Carbon dioxide emissions per unit of energy produced

Fossil Fuels: Hydrocarbons Coal: black solid, carbon rings Oil: liquid, long hydrocarbon chains Natural Gas: 1C to 3C so light, it’s a gas!

Coal

Sample structure of coal

gres?imgurl= l%2520fuels/reserves.jpg&i mgrefurl= u/las/physci/GS361/Fossil% 2520fuels/Coal.htm&usg=__ zzyvzJPvHObaEcZgVPLyX YevNZw=&h=323&w=641&s z=64&hl=en&start=2&tbnid= _pxa94J8QiZlMM:&tbnh=69 &tbnw=137&prev=/images% 3Fq%3Dcoal%2Bdeposits% 2Bin%2BUS%26gbv%3D2 %26hl%3Den%26sa%3DG CBS News ride into a mine: jrbCi7Sc&feature=related

Coal as energy source

Oil

Finding Oil: Seismic Surveying

Extraction of Oil

Proportions after refining

Inflation adjusted price of oil

Conventional Oil as energy source

Non-conventional Oil (not in a liquid form that can be drilled and pumped) 1.Oil Shale: US has largest supply 2.Tar Sands: Canada has largest supply

Oil Shale

W0Gxe4http:// W0Gxe4 National Oil Shale Association video on methods of extraction and amounts in US (start at 4 min) 75% of world’s oil shale in US ½ of that in Green River Formation (2 ½ trillion barrels, over double the oil in Saudi Arabia). Majority of US oil shale is on federal lands, requires federal agreement to develop. In situ and ex situ extraction.

Before and after tar sands mining in Alberta, Canada

Keystone XL Pipeline from Alberta’s Tar Sands to Houston Texas

kwoRivP17Ahttp:// kwoRivP17A Canadian tar sands as the largest industrial project on the face of the earth, affecting land area the size of Florida and England.

Oil shale and tar sand as energy sources

Natural Gas

Conventional natural gas as energy source

s_Shale_Gas_Drilling/bl og/video_fracking_hellth e_true_cost_of_america s_gas_rush.html?cons_i d=&ts= &sig nature=9a0fff3a4d583b 28d1d6a7e14765dd15 s_Shale_Gas_Drilling/bl og/video_fracking_hellth e_true_cost_of_america s_gas_rush.html?cons_i d=&ts= &sig nature=9a0fff3a4d583b 28d1d6a7e14765dd15 video g/blog/video_fracking_hellthe_true_cost_of_americas_gas_rush.html ?cons_id=&ts= &signature=9a0fff3a4d583b28d1d6a7e1 4765dd15http://connect.sierraclub.org/post/Team/Marcellus_Shale_Gas_Drillin g/blog/video_fracking_hellthe_true_cost_of_americas_gas_rush.html ?cons_id=&ts= &signature=9a0fff3a4d583b28d1d6a7e1 4765dd15 video

Energy Use and Conservation

Electrical generation from coal (power plant)

Simple Generator

Coal powered Power Plant

Nuclear Power

Nuclear Power Generating Plant

Nuclear Power

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