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201 Lecture 12 - i.e. manner ,i.e...

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BSE 201 Lecture 12 1 Renewable Resources Overview What is a  renewable resource? One which can be sustained  indefinitely,  i.e. recycled or replenished in some  manner Does not cause significant detrimental  effects to man OR the environment, i.e.  pollution, global warming, species  extinction, etc. Fossil fuel sources not renewable 
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BSE 201 Lecture 12 2 Examples of Renewable Energy  Resources 1. Wind Power 2. Solar PV and thermal heating 3. Hydroelectric 4. Geothermal 5. Biomass Except for geothermal, ALL are solar- energy derived
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BSE 201 Lecture 12 3 Biomass Resources Organic matter based on energy  derived from the sun Either living or recently created Plants Animals (Man) Although biomass-derived, excludes fossil  fuels
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BSE 201 Lecture 12 4 Biomass Resources Realistic  biomass resources to exploit 1. Wood  2. Plants  3. Agricultural Residues Cereal grain straws Sugar cane Corn stalks
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BSE 201 Lecture 12 5 Biomass Resources Biomass can be 1) burned directly for  energy content, OR 2) converted into  some type of fuel for transportation  and/or future use Historically, man was  solely  dependent  on the combustion of biomass (usually  wood)
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BSE 201 Lecture 12 6 Historical Energy Consumption  Pattern for the United States 0 20 40 60 80 100 Year Wood Coal Oil & Gas Hydroelectric Hydroelectric Nuclear
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BSE 201 Lecture 12 7 Biomass energy “Third-world” countries still heavily  depend on wood for heating and  cooking Developed world has long ago shifted  completely to fossil fuels
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BSE 201 Lecture 12 8 Biomass energy
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