IAEA, “Reactor5, 6 and Fukushima Daini are operational” though reactor5&6 still need coolant system

According to IAEA, reactor5 and 6 in Fukushima Daiichi, and the 4 reactors in Fukushima Daini are operational.

IAEA, "Reactor5, 6 and Fukushima Daini are operational" though reactor5&6 still need coolant system

From the research of Fukushima Diary, the temperature of reactor5 still goes up when the coolant water injection is stopped.

It reported this below, [URL 1]

According to Tepco’s plant parameter, water temperature of reactor5 goes up when the reactor water level decreases.
Tepco has been having problems with the water injection pumps, which pieces of plastic and wood got stuck in since September, 2012.
Reactor5 was under periodical inspection with fuel in the reactor when 311 happened. It lost all the power, had electricity from the emergency diesel of reactor6 to restart the coolant system.
On 3/20/2011, the water temperature became under 100℃ and Tepco reported it was “cold shutdown”.
However, the plant parameter shows it still needs continuous water injection.

 

2 IAEA, "Reactor5, 6 and Fukushima Daini are operational" though reactor5&6 still need coolant system

 

http://www.iaea.org/PRIS/CountryStatistics/CountryDetails.aspx?current=JP

 

 

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Français :

AIEA : Les réacteurs 5, 6 et ceux de Fukushima Daini sont opérationnels bien que les réacteurs 5 & 6 n’ont toujours pas de système de refroidissement

 

Selon l’AIEA, les réacteurs 5 et 6 de Fukushima Daiichi et les 4 réacteurs de Fukushima Daini sont opérationnels.

IAEA, "Reactor5, 6 and Fukushima Daini are operational" though reactor5&6 still need coolant system

Des recherches du Fukushima Diary, la température du réacteur 5 augmente toujours dès que le système d’injection d’eau y est arrêté.

C’est rapporté ici [Le réacteur 5 chauffe dès que l’injection d’eau s’arrête] ainsi :

Selon les paramètres usine de Tepco, la température de l’eau du réacteur 5 est en train de monter alors que le niveau d’eau diminue.
Tepco a des problèmes avec les pompes d’injection qui sont en plastique et en bois et qui sont en carafe depuis septembre 2012.
Le réacteur 5 était en inspection de routine avec du combustible dans le réacteur au moment où le 11-3 est arrivé. Il a perdu toute alimentation électrique, tirait son électricité des diesels d’urgence du réacteur 6 pour redémarrer son système de refroidissement.
Le 20 mars 2011, la température de l’eau est revenue sous les 100℃ et Tepco a rapporté que c’était un “arrêt à froid”.
Toutefois, les paramètres usine montrent qu’il a continuellement besoin d’injection d’eau.

2 IAEA, "Reactor5, 6 and Fukushima Daini are operational" though reactor5&6 still need coolant system

http://www.iaea.org/PRIS/CountryStatistics/CountryDetails.aspx?current=JP

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About this site

This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.

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