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THE FUTURE OF FUKUSHIMA

CHAPTER 23 NUCLEAR POWER. THE FUTURE OF FUKUSHIMA. Can nuclear energy overcome its bad rep?. Fukushima Daiichi Nuclear Disaster. March 11, 2011. World’s most expensive natural disaster $300,000,000,000. What happened at Fukushima?. Nuclear power plant survived a huge Pacific earthquake.

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THE FUTURE OF FUKUSHIMA

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  1. CHAPTER 23 NUCLEAR POWER THE FUTURE OF FUKUSHIMA Can nuclear energy overcome its bad rep?

  2. Fukushima Daiichi Nuclear Disaster March 11, 2011 World’s most expensive natural disaster $300,000,000,000

  3. What happened at Fukushima? Nuclear power plant survived a huge Pacific earthquake. Earthquake created a monster tsunami (wave). This wave of water knocked out the nuclear power plant generators and water cooling system. This resulted in a full meltdown of several of itssix reactors Accident received the highest rating on theInternational Nuclear Event Scale (7) .

  4. Nuclear Energy There are currently 432 nuclear power plants around the world. 80% of electricity in France is nuclear. Nuclear is clean(very few toxic gas emissions)

  5. Atoms 101

  6. Nuclear Energy Energy released when an atom is eithersplit (fission) or combines with anotheratom (fusion).

  7. Nuclear Fission Reaction that occurs when a neutronbreaks the nucleus of an atom apartreleasing smaller particles. 1 lb. of uranium ore produces the sameamount of energy as 100,000 lbs. of coal

  8. The Fission Reaction A chain reaction releases about 10 million moretimes of heat than burning fossil fuels.

  9. Isotopes Atoms that have the same number ofprotons but different numbers of neutrons

  10. Uranium Isotopes

  11. Radioactive Decay Pathway forUranium - 238

  12. Radioactive Half-Life

  13. The Penetrative Ability of DifferentRadioactive Particles

  14. Mining for Uranium

  15. Uranium Fuel Rod Assembly

  16. Fuel Rods Cylinders filled with uranium pellets that provide the fuel forfission reactors.

  17. Control Rods Rods that absorb neutrons to control the nuclear chain reaction.

  18. A nuclear power plant is really very Similar to a coal-burning plant. Fission of UR results in energy released as heat Heat converts water into steam Steam drives a turbine Turbine powers the generator Generator creates electricity for the grid

  19. How a Nuclear Power PlantGenerates Electricity:Pressure Water Reactor

  20. How a Nuclear Power PlantGenerates Electricity:Boiling Water Reactor

  21. Nuclear power plants use phenomenal amounts of water to cool the fuel rods and create steam. The ‘smoke’ seen here is really steam released from the cooling tower.

  22. Major Nuclear Disasters 1. 1979. Three Mile Island. PN, USA 2. 1986. Chernobyl, USSR 3. 2011. Fukushima, Japan

  23. Low-Level Radioactive Waste Materials with low levels of radiation Can be safely buried USA produces 100,000 tons/year

  24. High-Level Radioactive Waste From spent fuel rods and nuclear weapons USA produces 2000 tons/year No long-term storage plan

  25. Pros & Cons of Nuclear Power

  26. Although many people are scaredof nuclear power, it has a goodsafety record!

  27. Despite the enormous financial and emotionalcosts of the Fukushima-Daiichi disaster, very few deaths were the direct result of the accident.

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