Nuclear waste is divided into 2 major types according to its radioactivity:
"The low and medium radioactivity waste from hospitals, universities, nuclear power plant waste (office supplies, clothing ...).
"The only cemetery English nuclear materials adapted for low and intermediate level (with a maximum lifespan of 300 years) is located in the municipality of Hornachuelos, 80 km from Córdoba online straight into the heart of Sierra Morena, El Cabril stored at the beginning of this year 16,279 meters cubic garbage (28% capacity). Around the premises, which occupy 15 hectares of forest inhabited by deer, vultures, rabbits, operate 36 checkpoints air, water and vegetation. Enresa (National Radioactive Waste) ensures that nothing is emitted to the outside and there is no more radioactivity than natural-origin of the complex is in a uranium mine dried up. The Cabril consists of offices, laboratories, facilities for receiving and conditioning of waste, an incinerator, storage cells, a pool of water and a blind deposit for potential leaks.
"The high radioactivity som more difficult to treat, consists of waste from the reactor core result of nuclear fission.
-waste is often left vitrify (melt glass with a mass) and introduce a very special container capable of withstanding highly corrosive agents, fire, earthquakes, major collisions, etc. These containers would be stored in landfills definitive must be built deep in geologically stable places (deposits of clay, salt or granitic) and well cooled because the heat-emitting radioactive isotopes.
several sites are being considered for such stores, but in the world does not already exist, so for now, most high-level waste stored in temporary sites or in the pools of the same plant.
"The volume of spent fuel that remains in the normal nuclear power plants can be reduced greatly if used again in special facilities. This is done in some cases, but has the difficulty that we have to transport a dangerous substance from normal power to the special.
Schematic of a nuclear graveyard.
2 .- Escollera
3 .- Sand & Gravel
4 .- Clay, waterproof
5 .- Coverage
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