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Nuclear power plants
The document discusses nuclear energy, including its definition, operation, advantages, and disadvantages, as well as its presence in Spain, Europe, and worldwide. It highlights the benefits of nuclear energy such as low CO2 emissions and reduced oil dependency, while also noting the significant risks associated with accidents and radioactive waste. The document concludes that while nuclear energy has potential benefits, the dangers of accidents and waste management are serious concerns.
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Nuclear power plants
- 2. Index • Definition • Diagramof a nuclear power plant • How does a nuclear power plant operate? • Advantages and disadvantages • Nuclear energy in Spain, Europe and worldwide • Nuclear accidents • Conclusions • Credits
- 3. Definition Nuclear energy isthe energy released, either spontaneously or artificially, in nuclear reactions.
- 4. Diagram of anuclear power plant
- 5. Diagram of anuclear power plant
- 6. How does anuclear power plant operate? The nuclei of uranium atoms break, releasing a lot of heat, which makes the water turn into steam at a high pressure. This steam moves the turbines in order to produce electricity.
- 7. Advantages / Disadvantages •Nuclear energy does not produce CO². • It reduces the dependence on oil producers. • It generates part of the electrical energy we use . • Under strict control, nuclear power plants cause very little damage to the environment. • Nuclear energy produces radioactive waste. • Nuclear accidents are very dangerous. • It is difficult to control nuclear weapons. • Nuclear power plants require a high cost of construction and maintenance. • The use of this energy means a dependence on uranium producers.
- 8. Nuclear energy inSpain Nuclear power plant in Ascó (Tarragona) In Spain, there are six nuclear power plants. The first nuclear power plant in Spain was built in 1969, the José Cabrera nuclear power plant.
- 9. Nuclear energy inEurope In the European Union, there are approximately 143 nuclear power plants. 14% of the energy consumed by the EU is nuclear.
- 10. Nuclear energy worldwide Thereare 418 nuclear power plants in the world. The use of nuclear power is increasing worldwide.
- 11. Nuclear accidents 1986 –Chernobyl, Ukraine. The most serious accident at a power plant in history 2011 – Fukushima, Japan . The second most serious accident at a nuclear plant
- 12. Tricastin, France July, 2011 Harrisburg, Pennsylvania,USA March, 1979 Kyshtym, Soviet Union September, 1957 Nuclear accidents
- 13. Conclusions • Nuclear energyis good because it does not pollute and it is a renewable energy. In addition, it is used in medical treatments. • However, a nuclear accident can be devastating. Moreover, nuclear waste can be very harmful if the adequate disposal measures are not taken.
- 14. Credits By Sandra Martínez,Roi García and Sara Blanco Bilingual section of Technology Group 3º ESO-B IES Praia Barraña – Boiro (Spain) March, 2016