18:22 There are still deadly high-concentration radioactive waste furnaces in Fukushima nuclear site, operation may be delayed



Japan’s Fukushima Nuclear Power Plant No. 2 and No. 3 plant radiation levels are still high enough to be fatal within a few hours. The Tokyo Electric Power Company plans to start taking out waste furnaces such as molten nuclear fuel from the reactor in 2022, which may be postponed. The picture shows TEPCO personnel measuring radiation outside the radiation waste water storage tank of the power plant.  (Reuters)

Japan’s Fukushima Nuclear Power Plant No. 2 and No. 3 plant radiation levels are still high enough to be fatal within a few hours. The Tokyo Electric Power Company plans to start taking out waste furnaces such as molten nuclear fuel from the reactor in 2022, which may be postponed. The picture shows TEPCO personnel measuring radiation outside the radiation waste water storage tank of the power plant. (Reuters)

2021/01/26 18:22

[Special Commissioner Lin Cuiyi in Japan/Report from Tokyo on the 26th]The Fukushima nuclear disaster in Japan in 2011 will expire 10 years this year. The Japanese Nuclear Regulatory Commission announced today the interim report of the accident investigation. The amount of radiation near the 5th floor is as high as 7 Bq. Being in such an environment for a few hours can be fatal. The operation of taking out the molten nuclear fuel from the reactor in 2022 may be postponed.

Units 1 to 3 of the Fukushima Nuclear Power Plant were melted down during the 311 Tohoku Earthquake. Japan is expected to carry out waste furnace operations in 30 to 40 years. The Atomic Regulatory Commission sent experts into the plant to investigate in September 2019. Collect the status quo and clean up results.

It was found that in the upper cover of the reactor containment body of Unit 2 and Unit 3, there is a very high concentration of cesium 137, a radioactive substance. The estimated concentration is about 4 to 7 Beijing for Unit 2 and 3 Beijing for Unit 3. The above are all fatal concentrations within a few hours.

At present, in the reactors of units 1 to 3, there are still about 900 tons of nuclear fuel that has fallen to the bottom of the furnace due to the melting of the furnace core. However, the upper cover of the reactor enclosure must be opened before taking it out. Concentration of radiation, and weighs about 465 tons, which is also the most difficult part of waste furnace operations. Tokyo Electric Power Company plans to start taking out the nuclear fuel melted in the reactor of Unit 2 in 2022, and it is expected to take a long time.



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