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Home > TEPCO's Fukushima Daiichi Nuclear Power Station > TEPCO's Fukushima Daiichi Nuclear Power Station > Efforts made for decommissioning

Efforts made for decommissioning

2016年4月1日更新 Update

What is decommissioning?

  • Reactor decommissioning refers to the dismantling and removal of nuclear reactors.
  • Process: Extraction of nuclear fuel -> Extraction of fuel melted down in the nuclear reactors -> dismantling
  • Period: It separates into three stages and is supposed to take 30-40 years to complete.

Image: What is decommissioning?

Current situation of reactors

Reactor temperature

  • Roughly 300m3 of cooling water is being injected into the reactors every day
  • Reactor temperature is stable at below 50℃ (As of October, 2015)

Image:Reactor temperature

Amount of radioactive substances

  • Concentrations of radioactive substances are being monitored and no signs of recriticality have been observed(As of October, 2015)

Image:Amount of radioactive substances