Lecture 24 - Electrical Power Plants and Emissions...

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Electrical Power Plants and Emissions Lecture#24 Energy Consumption Energy Consumption and Emissions Coal Fired Power Plants Emission Calculations ICP #22: GHG Impact of Coal vs. Natural Gas ICP #23: Coal Fired Power Plant Emissions Reading: Rubin Ch 5. (Pg. 162-175). Sections 5.1-5.3; Vesilind & Morgan Ch 6. (Pg. 117-129) Overarching Questions: Power Plant Emissions How much energy is used by humans each year? USA residents? Where does this energy come from? What sources of energy are used for electricity production? How is the relative distribution different from that for total energy? Which countries emit the most CO 2 to the atmosphere? What trends exist with respect to overall use of electricity? What are typical yearly emissions from all USA power plants? How are such emissions calculated as a function of fuel source? Energy and Electricity Sources: Global Statistics Energy Units: E kW-hr (kJ/s)(hr)(3600s/hr) kW-hr 3600kJ Power Units: P kW kJ/s E/t Total Energy Consumption (1970-1997) 1 Quadrillion Btu (1x10 15 ) = 1x10 18 J = 3x10 11 kWhr World Energy Use per Capita (1997) 1 Quadrillion Btu (1x10 15 ) = 1x10 18 J = 3x10 11 kWhr
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