March 23, 2023
  • The International Atomic Energy (IAEA) Task Force established to monitor Japan’s plan to discharge treated water from the Fukushima Daiichi NPP has completed its second regulatory review.
  • Fukushima is to release radioactive contaminated water which was stored at Fukushima Daiichi Nuclear Power Plant on Japan’s east coast due to tsunami.
  • Before it is stored, wastewater produced at Fukushima is treated to remove almost all radioactive elements including cobalt 60, strontium 90 and caesium 137.
    • But tritium—a radioactive form of hydrogen—is left behind.
  • When one of hydrogen atoms in water is replaced by tritium, it forms radioactive tritiated water.
  • Tritiated water is chemically identical to normal water, which makes separating it from wastewater expensive, energy intensive and time consuming.
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