Tag "hydrogen"

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Tepco released video of emergency TV meeting “99.3% cut off, 1665 beep sounds, 29 image concealment”

Tepco released the video of emergency TV meeting held on 3/11 ~ 15/2011, but it was full of concealment as expected. These were recorded at Tepco’s head office and Fukushima

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Fukushima worker “Self-defense force was injured by reactor3 explosion”

It is still questionable if reactor3 had hydrogen explosion, not nuclear explosion. Actual Fukushima worker Happy11311 suggested the possibility that Japanese self-defense force was seriously injured by the explosion. @onodekita

Spent Fuel Pools

[Reactor4] Tepco “There was no hydrogen gas from SFP4″

Still nobody knows what actually happened in reactor4, what caused the explosion. Nuclear accident investigation committee of the government commented that the hydrogen explosion of reactor4 was caused by both of

Spent Fuel Pools

[Reactor4] Explosion was caused by hydrogen gas from heated SFP4 and reactor3

Following up this article..Investigation committee “there is a possibility that the earthquake damaged equipment” The investigation committee stated on their final report [Link] that the hydrogen explosion of reactor4 was

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Holes on the duct of reactor3. Tepco “fixed it with tape.”

  Following up this article..Fukushima worker “The warranty period of the parts for coolant system is 1 year.” The duct of reactor3 PCV gas control system got 8 holes, Tepco

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Sharply increasing hydrogen concentration in reactor2

Related to this article..Violent fluctuations of hydrogen concentration in reactor1 In reactor2, hydrogen concentration is picking up since 6/14/2012 as well. Until 6/17/2012 11:00, it’s increased almost as double as

Plant hazard

Violent fluctuations of hydrogen concentration in reactor1

Hydrogen concentration of reactor 1 has been fluctuating violently since 6/3/2012. On the daily press conference of 6/4/2012, Tepco explained hydrogen gas is heterogeneous inside of PCV, the indicator captured the

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Hydrogen concentration increasing

Following up this article..Air pressure is increasing in container vessel of reactor 2 Since Tepco increased air exhausting amount from 17 m3/h to 38 m3/h on 4/24/2012, hydrogen concentration of reactor2

Core removing struggle

Nitrogen injection stopped and Tepco started backup unit

  Nitrogen injection was stopped for reactor 1, 2, 3, 10:55 4/4/2012, a plant worker reported. At 0:16 4/4/2012, backup unit was started, at 0:30, nitrogen injection was restarted. The

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Breaking news : SPF cooling system got stopped at reactor 2,3,6,and 1,3 of daini

SFP cooling system of reactor 2,3,6 and 1 and 3 of Daini were stopped because of the trouble of power exchanging facility in Iwaki Fukushima. Along with the cooling system