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高速増殖原型炉「もんじゅ」の燃料取り出し着手 廃炉本格化

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nuclear fuel
核燃料(後出 fuel rod は棒状の燃料)
crippled
稼働不能になった
fast-breeder reactor
高速増殖炉(後出 prototype reactor は原型炉)
decommissioning
廃炉
fiscal ~
~年度
core
炉心
tout
宣伝する
a series of ~
一連の~(後出 repeated ~は度重なる~)
(liquid) sodium
(液体)ナトリウム
shutter
閉鎖する
leak
漏れ
coolant
冷却剤
The fast-breeder reactor Monju is seen in Tsuruga, Fukui Prefecture, on July 15. (Mainichi)

Nuclear fuel removal work begins at Monju reactor   

TSURUGA, Fukui - The removal of nuclear fuel from the crippled fast-breeder reactor Monju began on Aug. 30 here as the first step in its 30-year decommissioning process.

It will take at least until fiscal 2022 to remove the 530 fuel rods from the core and the fuel cooling pool of the prototype 1-trillion-yen reactor.

Monju was originally touted as a "dream reactor" capable of producing more nuclear fuel than it consumes, but has ended up a failure due to a series of accidents and repeated trouble.

According to the plans, one fuel rod will be removed from a fuel pool filled with liquid sodium per day.

The entire work of shuttering Monju is estimated to cost a total of 375 billion yen.

Monju suffered a massive leak of sodium coolant in 1995, and remained closed. The facility has also experienced a series of trouble including a failure to conduct equipment checks, and the government decided to close it in 2016. The reactor had been in operation for a total of only 250 days.

[本文‐173 words]

週刊英語学習紙 毎日ウィークリー9月15日号

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