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© 2003 Reliant Reliant Seward Station CFB: Successful Conversion of Waste Coal into Energy Energy from Biomass and Waste Symposium September 27, 2007
© 2003 Reliant 1 Energy/Electric Power Steam Electric » Coal » Other fossil Biomass Shale » Nuclear » Combined cycle Simple Cycle » Combined cycle » Combustion turbine Fuels Cells & Thermo Nuclear Renewables » Wind » Solar » Hydro » Pumped storage » Other renewables Geothermal Wave etc Coal Wood, refuse, etc Nuclear Petroleum, distillates, PNG/LNG Fuel
© 2003 Reliant 2 Electric Power Projections (DOE) Total Electricity Generation (Gwe) Centralized vs. Distributed Systems Valuable infrastructure Generation by fuel type (2008) Coal 82% Petrolium.6% Natural Gas 6% Nuclear 9% Renewables/other 1.1% ~ 2% growth/annum 2025 (Coal 75% Gas12%)
© 2003 Reliant 3 Seward – Legacy of Coal Mining in Pennsylvania Waste Coal (“boney”) Blights the landscape Contributes to Acid Mine Drainage (AMD) As a fuel, waste coal is Higher than some sources: sulfur ash Yet Lower than most sources in energy value CFB technology can cleanly convert waste coal into energy
© 2003 Reliant 4 Seward - CFB Aerial Photo – October net MW Fuel BTU 5500 BTU 51% Ash 2.75% Sulfur DOE Clean Coal Technology CFB – Circulating Fluidized Bed
© 2003 Reliant 5 Seward – How Pollution Control Technology SNCR – NOx Limestone/FDA – SO 2 Baghouse Fuel – Barn and Covered Conveyors ~ 3.5M tons per year refuse Seward CFB Schematic
© 2003 Reliant 6 Seward – Air Emissions NOx – Down 74% CFB low temperatures Selective Non-Catalytic Reduction (SNCR) SO2 – Reduced 85% Limestone injection FDA – Flash Dry Absorber Particulate Matter – Down 90% Fabric filter (baghouse) Enclosed fuel storage
© 2003 Reliant 7 Seward – Generating Capacity Generating capacity increases 2-1/2 times Energy production will increase even more New plant should run as “baseload” (~ 24/7)
© 2003 Reliant 8 Seward – Future Challenges Hg GHG Holistic – multi-faceted approach to energy Manufacture Consumption
Energy Efficiency = changing current devices so they 1) do more useful work 2) not converting into low-quality(heat) 84% of all commercial energy used.
Energy Sources Grouping task. nuclear oil gas Solar cells / PV biofuel / biomass wave hydroelectric coal geothermal wind tidal.
What is fuel? A fuel is a substance that provides a form of energy Energy can be in the form of heat, light, electricity, or motion. When fuel is burned.
Energy Resources A natural resource that can be converted by humans into other forms of energy in order to do useful work.
Nonrenewable. Bellringer Identify the following as a renewable or nonrenewable resource. 1. sunlight 2. coal 3. wind.
POWER GENERATION TECHNOLOGIES S.E. ELECTRICAL ENGINEERING (2012 COURSE) UNIT II [C] GAS POWER PLANT.
Nonrenewable Energy. Energy Concepts Measuring Energy – Energy: Joule, Calorie, BTU, kWh – Power: Watt (W), Horsepower (hp) Thermodynamics – First Law.
Energy & Electricity. History of Electricity/Grid Electricity “system” created in US 1881 Purpose was electricity for lights 1881 cost: $0.24/kWh!
Energy Source Expo Ann Drake Brookville Intermediate School.
Chapter 8 Energy Sources and the Environment. 8-1 Fossil Fuels Energy Resources – Energy is used many ways – Law of Conservation of Energy Energy use.
Energy, Power and Climate Change Energy Sources and Consumption Fossil Fuels.
Chapter 8: Energy Sources and the Environment Section 1: Fossil Fuels Section 2: Nuclear Energy Section 3: Renewable Energy Sources Section 4: Environmental.
Energy Resources!. Nonrenewable Resources A resource that forms at a rate that is much slower than the rate at which it is used Fossil Fuels – Formed.
Sci. 5-4 Energy Resources Pages A. A energy resource is a natural resource that can be converted into other forms of energy in order to do useful.
What is renewable energy Renewable energy sources are things like: solar energy,wind,energy and geothermal, which can be used over and over again. Fore.
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Cost of Coal Lydia Mitchell Laura Erdman Section 005, Kendra Walker.
Advanced Environmental Technology Geographic Distributions of Natural Resources TEK 7D.
Power Plants Generating Electricity. The Non Renewable Fuel Sources Fossil Fuels – Coal – Petroleum (Oil) – Natural Gas Uranium (Nuclear Power)
Geothermal Energy Responsible for information in Yellow..
WHERE DOES OUR ENERGY COME FROM?. Energy SOURCES NON RENEWABLE Do not regenerate as fast as we consume them Risk of running out! Coal, oil, gas RENEWABLE.
Energy Without energy nothing happens.. Energy does work! Work is done when objects are moved or heated. Energy is never used up it is simply converted.
Cogeneration Facility The University of North Carolina at Chapel Hill Cogeneration Systems Energy Services Department Phil Barner- Cogeneration Systems.
Energy Unit Review. What phrase do we use to refer to conservation of resources? Reduce, reuse, recycle.
Chapter 9. Fossil Fuels Fossil fuels include oil, natural gas, and coal. They formed from the buried remains of plants and animals Fossil fuels.
Resources. TYPES OF RESOURCES l Renewable Resource: a resource that can be replaced in nature at a rate close to its rate of use.
What are 2 types of energy resources? Renewable Non-Renewable.
Biomass Energy A natural and renewable resource. Definition and types Definition Biomass is biological material derived from living, or recently living.
Energy sources Chapter 9. Energy cannot be created or destroyed according to the law of conservation of energy, but energy can be CONVERTED from one form.
CHP & Fuel Cells at Home. Combined Heat and Power (CHP) aka “Cogeneration”
Alternative Energy. Fossil Fuels Fossil fuels are a very efficient way to produce energy! However… – Burning Fossil fuels creates POLLUTION. – Coal mining.
+ Natural Resources. + The Earth has natural resources that are LIMITED The two types of natural resources are renewable and nonrenewable Modern living.
Energy Sources Chapter 9. Using Energy Where does our energy come from? How do we obtain our energy? What types of energy are available?
Chapter 13 Renewable Energy and Conservation. Overview of Chapter 13 Direct Solar Energy Indirect Solar Energy Wind Biomass Hydropower Geothermal.
Thermal Power Plant Steam (Vapour) Power Plant Coal based Power Plant Rankine cycle Power Plant Prepared by: Nimesh Gajjar.
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What is energy? O Energy is the ability to do work. O Just as food gives us energy to focus and play. O Different forms of “natural” energy O potential.
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Today’s lesson will focus on Renewable Energy. So, what is Renewable Energy? Renewable Energy 2.
Energy Sources All photos courtesy of the U.S. DOE National Renewable Energy Laboratory Photographic Information eXchange
Alternative Energy Sources Solar Energy Wind Energy Hydro Energy Tidal Energy Geothermal Energy Nuclear Energy Biomass.
Biofuels Biomass is a renewable energy source because its supplies are not limited. We can always grow trees and crops, and waste will always exist. Environmentally,
Comparing Electricity Technologies ‘98 US Electrical Consumption ‘98 US Electrical Consumption 3.6 million Gwh e 35% of US Primary Energy.
Alternative Energy Take a look at how electricity is made Investigate other methods of generating electricity.
Energy Looking Back, Looking Ahead Types of Energy Kinetic Potential Forms of Energy Thermal Chemical Electrical Sound Light Nuclear Sources of Energy:
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