Investor Presentaiton
Why ALPS treated water must be discharged into the sea ?
sea?
Decommissioning of FDNPS is premise of reconstruction of Fukushima, which is
continuous activity to gradually reduce the risk of radioactive materials to the
surrounding area.
➤ The storage tanks exceed a thousand could be an obstacle to secure a site for the
planned decommissioning of the FDNPS.
➤ Also, maintaining tanks could pose other risks (aging and leakage due to a disaster).
➤ Therefore, it is necessary to properly discharge ALPS treated water into the sea.
Rain/Groundwater,
Cooling Water for Fuel Debris
Reactor
Building
Radioactive
Materials
ALPS *2, etc.
(*2 Advanced Liquid Processing System)
Remove radioactive materials other than tritium
to meet the regulatory standards for discharge
Contaminated
Water*1
*1 Water generated by cooling fuel debris
ALPS
Treated
Water
Storage Tanks
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