Edit Reading

Back to List

Basic Information

Title

Please enter a title.

URL

Please enter a valid URL.

Date

カテゴリID

画像ファイル名

統計情報

単語数: 278語

読了回数: 0回

作成日: 2023/03/30 07:29

更新日: 2025/12/09 05:38

本文

A Japanese government organization has held the first meeting of an expert panel to discuss challenges in removing nuclear fuel debris at the crippled Fukushima Daiichi power station.
                
Such debris is a mixture of molten nuclear fuel and pieces of metal structures. Removing it is said to be the biggest problem in decommissioning the plant.
                
Experts estimate that there is a total of 880 tons of nuclear fuel debris in the No. 1, 2 and 3 reactors of the plant, which suffered meltdowns in the 2011 quake and tsunami disaster.
                
The government and the plant&#039;s operator, Tokyo Electric Power Company, plan to start removing the debris from the No. 2 reactor in the second half of fiscal 2023 on a test basis.
                
But only several grams of it is expected to be taken out during the process.
                
The government&#039;s Nuclear Damage Compensation and Decommissioning Facilitation Corporation set up an expert panel to help determine how to carry out full-scale removal. Its first meeting was held on Wednesday.
                
The panel of 10 experts from Japan and abroad includes Fuketa Toyoshi, former chairman of the Nuclear Regulation Authority; researchers on radioactive waste and architectural technology; and the former head of Switzerland&#039;s nuclear regulator.
                
For the removal, the organization has so far proposed several methods: one involves taking the debris out after the reactor building is covered by a structure and filled with water.
                
Another involves building the covering structure but not filling the building with water, and removing debris in the air.
                
The panel will examine the options&#039; safety and technological feasibility for about one year. TEPCO is to choose a method based on the panel&#039;s assessment and other analyses.

本文を入力してください。

メモ

メモ・感想

キャンセル

Edit Reading

Basic Information

統計情報

本文

メモ

Send Report