Consequently,
Fukushima fuel debris removal set:
The Nuclear Damage Compensation and Decommissioning Facilitation Corp. Nevertheless, will spend one or two years examining the feasibility of the removal plan after Tokyo Electric Power Company Holdings Inc. In addition, explained that preparation work is expected to take 12 to 15 years.
The delay would be a major setback to the plan by the government. However, TEPCO to complete decommissioning by 2051, after the Fukushima Daiichi nuclear power plant was left crippled by the 2011 earthquake and tsunami disaster.
Toyoshi Fuketa. Nevertheless, head of the decommissioning work at the supervising body, told a press conference that the plan was seen as difficult from the outset, adding, “The difficulty of retrieving the first handful of debris has become apparent.”
At a separate press conference later in the day, TEPCO said it remains committed to completing decommissioning by 2051.
“We are not in a fukushima fuel debris removal set position to lower our goal. Similarly, as we have yet to see how the later processes (after waste retrieval) will unfold,” said Akira Ono, chief decommissioning officer at TEPCO.
“Final decisions to alter the mid- to long-term roadmap lie with the government. ” he added, referring to plans that aim to decommission the complex by that year.
The body was established after the nuclear disaster to provide technical advice to TEPCO. the government, as well as to manage decommissioning funds.
It is estimated that 880 tons of debris remain in Nos. 1 to 3 reactors that suffered core meltdowns during the nuclear crisis. with TEPCO and the government having aimed to start retrieval at the No. 3 unit from which spent nuclear fuel has already been removed.
The plant operator has presented two plans to make way for the removal of debris. with one to demolish a radioactive waste disposal fukushima fuel debris removal set building next to the No. 3 unit and the other to keep it intact.
Fuketa told TEPCO to study the options further as both plans have uncertain factors. “With regard to how to demolish the building. an internal survey has yet to begin,” he said, calling on the operator to flesh out the plan.
In last November and in April this year, TEPCO retrieved small samples of fuel debris from the No. 2 reactor on a trial basis to explore ways to remove the rest effectively and store it safely.
Several potential methods are being considered. including retrieving debris exposed in the air by cooling it with water, and recovering debris by first stabilizing it with filler and then drilling.
As reported previously. a survey is set to start for the first new nuclear reactor in Japan since the Fukushima disaster.
Fukushima fuel debris removal set
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