Tag "hydrogen"

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Core removing struggle

Tepco announced to inject N2 into S/C of reactor1 but the flow rate of N2 didn’t change and only hydrogen gas increased

According to Tepco, they restarted the injection of nitrogen gas into suppression chamber of reactor1 at 10:37 of 1/8/2013. The purpose was to investigate the process of hydrogen produced by

Core removing struggle

The flow rate of nitrogen gas injection to reactor3 RPV has been increasing since this August

According to Tepco’s plant parameter, the flow rate of nitrogen gas injection to RPV in reactor3 has been increasing since this August. They keep injecting nitrogen gas into the reactors

Core removing struggle Plant hazard

Tepco to inject nitrogen gas into the suppression chamber of reactor2 as well, “Kr-85 and Hydrogen gas increase”

According to the mid/long term roadmap of Tepco released on 12/25/2012, increase of Kr-85 and hydrogen gas has been observed in PCV of reactor2. Kr-85 and hydrogen gas are fission

Plant hazard

[Column] 3 facts to support the hypothesis that fractured nuclear fuel is in individual stages of nuclear reaction

This is not a widely known fact but 12/17/2012 was a historical day of Fukushima plant. In the evening of that day, the RPV temperature want higher than the temperature

Core removing struggle

Hydrogen concentration of reactor1 still keeps increasing

On 12/8/2012, Fukushima Diary reported increasing hydrogen concentration at reactor1. [Link] It’s still increasing, and it’s reaching nearly 0.30 vol%. Source     Iori Mochizuki _____ Français : La concentration

Core removing struggle

Hydrogen concentration rapidly increased in PCV reactor1

Tepco has been injecting nitrogen gas into suppression chamber of reactor1 since 10/23/2012. (cf. To avoid the risk of explosion, Tepco is to inject nitrogen gas to suppression chamber of

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To avoid the risk of explosion, Tepco is to inject nitrogen gas to suppression chamber of reactor1 for a month

Tepco is going to inject nitrogen gas to suppression chamber of reactor1. Fukushima TV reported, reactor1 has been having density of hydrogen gas and Krypton unstable since this April. Tepco

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Density of Krypton85 is more than 9 times much as before in reactor1

Increase of Krypton 85 is detected in PCV of reactor1, which suggests nuclear fission is on-going. (cf. Intermittent increase of Krypton-85 to suggest on-going nuclear fission in reactor1) Tepco announced

Core removing struggle Plant hazard

Intermittent increase of Krypton-85 to suggest on-going nuclear fission in reactor1

Intermittent increase of Krypton-85 was observed in reactor1. Tepco suddenly reported they examined the density of krypton-85 and hydrogen gas. This was the first time for them to announce Krypton-85

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Tepco executive “Make up imaginary measures as if we were controlling the risk”

  Everything was lie from the very beginning. We are finding out more and more new facts from the 150 hours video. (cf. Tepco released video of emergency TV meeting