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Energy Production Alternative Technologies Sources of Energy Brady/Holum, Fundamentals of Chemistry, Wiley, NY, 1988, 147. Solar Collectors (curved mirrors that heat oil) Botkin/Keller, Environmental Science, Wiley, NY, 1995, 330 Direct Sunlight

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energy production

Energy Production

Alternative Technologies

slide2

Sources of Energy

Brady/Holum, Fundamentals of Chemistry, Wiley, NY, 1988, 147.

slide3

Solar Collectors (curved mirrors that heat oil)

Botkin/Keller, Environmental Science, Wiley, NY, 1995, 330

slide4

Direct Sunlight

Sun Tracking mirrors focus sunlight on molten salt receiver in tower

Nebel/Wright, Environmental Science,7th,Prentice Hall, NJ, 2000, 366

slide5

Average Daily Solar Radiation in US

cal/sq.cm

Cunningham/Saigo, Environmental Science, McGraw Hill, MA, 2001, 503

slide6

Photovoltaic (PV) Cell

Electron Donor and Acceptor Doped Si-Crystals

Acceptor Crystal

Donor Crystal

Hill/Kolb, Chemistry for Changing Times, 8th, Prentice Hall, NJ, 1998, 375

slide7

Photovoltaic (PV) Cell

Solar energy is converted directly to electrical energy when light causes electrons to flow from the donor crystal to the acceptor crystal through the external circuit

Hill/Kolb, Chemistry for Changing Times, 8th, Prentice Hall, NJ, 1998, 375

slide8

220 34 ft PV Panels Supply 6.5 MW for 2400 Homes

Nebel/Wright, Environmental Science,7th,Prentice Hall, NJ, 2000, 366

slide9

Photo-synthesis

American Scientist, Vol 83, 1995, 535

slide10

Natural Storing of Solar Energy

Sunlight

Biomass

Stoker et al, Energy, Scott Foresman,IL, 1975, 285

slide11

Biomass - managed use of trees and other plants for fuel

Hill/Kolb, Chemistry for Changing Times, 8th, Prentice Hall, NJ, 1998, 376

slide12

Storing Electrical Energy Using Hydrogen

Stoker et al, Energy, Scott Foresman,IL, 1975, 285

slide13

Electrolytic Production of Hydrogen from Water

Raven et al, Environment, Saunders, NY, 1995, 242

slide14

Storing Solar Energy Using Hydrogen

Solar Energy

Catalyst

Stoker et al, Energy, Scott Foresman,IL, 1975, 285

slide15

Solar

Chemical

Electrical

Joesten et al, World of Chemistry, Saunders, NY, 1991, 235

slide16

Production of Hydrogen by Photolysis of Water

American Scientist, Vol 83, 1995, 535

slide17

Suggested sources for 2050

Energy Sources - Current and Proposed

Current world energy sources

Cunningham/Saigo, Environmental Science, 6th, McGraw Hill,MA, 2001, 477, 499