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TEPCO to reuse contaminated tanks to store radioactive water in Fukushima

  • July 7, 2016
  • , Mainichi , p. 4
  • Translation

Tokyo Electric Power Co. has decided to put water that has been treated to remove most of the radioactive substances from the Fukushima Daiichi Nuclear Power Plant back into highly-contaminated “flange-type” tanks, as it is unable to reduce the amount of radioactive water and the capacity of the storage tanks on the premises is almost full. The utility submitted a transfer plan to the Nuclear Regulation Authority and had received approval before July 6. It will begin reusing the contaminated tanks this month.


A large amount of underground water is flowing inside the reactor building at the Daiichi power station. This is producing about 400 tons of contaminated water each day. TEPCO has been treating the radioactive water using the advanced liquid processing system (ALPS), but the device cannot remove tritium.


TEPCO has been storing the processed water in welded tanks, but there are already about 1,000 such tanks on the premises. (Abridged)

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