The Ukraine The country with the highest number of nuclear reactors of concern.
Ukraine has a large number of nuclear reactors, including nuclear reactors Zaporizhia Atomic Power Station, Was affected by the Russian bombing. These reactors are designed to withstand some attacks.
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More specifically, fifteen nuclear reactors are in operation in Ukraine. It is the seventh largest nuclear power producer in the world, according to data from the International Atomic Energy Agency for 2020.
It is also one of the countries most dependent on nuclear power, with more than 50% of its energy coming from nuclear power plants.
These are furnaces of Soviet and later Russian construction, type VVER, based on two different technologies, 440 and 1,000 MW, respectively. VVERs are compressed water furnaces.
Six reactors at Europe’s largest nuclear power plant in Saporizia, in southern Ukraine, have been hit by explosions last night and a nearby building set on fire. They came into operation between 1985 and 1995.
The Chernobyl disaster
Ukraine also has the Chernobyl reactor, which was shut down after the 1986 disaster, the worst in nuclear history.
The accidental nuclear reactor n ° 4 was first shut down by a temporary sarcophagus, and then by a dome whose construction was completed in 2017. Today’s nuclear reactors in Ukraine have different technology, which is considered safer.
The development of the country’s nuclear power began in the 1970s with the construction of the Chernobyl plant.
The International Atomic Energy Agency (IAEA), which supports companies developing the global nuclear industry, said:
“Although the Ukrainian nuclear industry has been closely linked to Russia for many years, it has remained relatively stable during the changes that took place when Ukraine gained independence from the former Soviet Union.”
Dangers associated with war
The NGO Greenpeace estimates that if the Zaporizhia station had been damaged, the effects of radioactive pollution could have hit much of European territory, including Russia, for decades. There is no radiation leak from the current fire.
“The main risk in the current situation is the loss of the power network, the supply of the station with electricity. Because the operation of the furnace heart protection and cooling systems require water supply and electricity.”, Karin Ervio, deputy director of the French Institute for Radiological Safety and Nuclear Security, insists.
The role is to avoid an accident such as Fukushima (2011) due to the loss of the cooling system after the tsunami. Ukrainian reactors have emergency systems and four sets of safety generators that typically run on fuel for 7 to 10 days.
“They have mobile equipment, water reserve to manage the situation and prevent damage to the nuclear reactor heart. They offer a degree of tolerance, but it all depends on what we are talking about. “The attack could strike another part of the blockade and cause an accident if the security systems were damaged.” Says Karin Erviou.
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