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Kyodo: Alarm sounds at MOX reactor in Japan, no “actual leakage” detected — Nuclear fuel loaded inside

Published: July 30th, 2012 at 1:59 am ET
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(Subscription Only) Title: Monju alarm on sodium leakage malfunctions
Source: Kyodo
Date: July 30, 2012

Japan Atomic Energy Agency said an alarm was activated early Monday morning indicating a sodium coolant leakage at its Monju prototype fast breeder reactor in Tsuruga, Fukui Prefecture.

No actual leakage or any effect on the surrounding environment was detected, according to the agency.

The Monju project started as part of the government’s policy to establish a nuclear fuel cycle, in which spent nuclear fuel from power plants is to be reprocessed for use in plutonium-uranium mixed oxide fuel.

[...]

Kyodo report translated by EXSKF: “Monju Reactor is stopped, but the nuclear fuel is loaded in the reactor. To cool the fuel, liquid sodium is being used in the primary and secondary cooling systems. The alarm was set off by one of the detectors placed around the secondary cooling system pipes in the reactor auxiliary building. The workers went to the site to do the visual inspection, but no sodium leak was observed, says JAEA.”

Published: July 30th, 2012 at 1:59 am ET
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3 comments

3 comments to Kyodo: Alarm sounds at MOX reactor in Japan, no “actual leakage” detected — Nuclear fuel loaded inside

  • ion jean ion jean

    My first Q is: why would a "prototype" reactor be allowed to run after Fuku (can't they do a safe shutdown?)?

    Then I realize since the U.S. Among Others only sells Japan fuel in need of reprocessing, that maybe ALL of Japan's reactors are running MOX fuel…

    And US, retrofitting and gypsy-rigging our dead and dying reactors, then thinking we can change the fuel type they were designed for…

    Is this government gonna DO something to stop the madness and end our suffering?


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  • dosdos dosdos

    Monju has been a failure since the beginning, having produced a grand total of one hour of electrical production. However, despite orders to shut it down through a funding bill, a political faction in the Diet has managed to keep the facility going in hope that it will be used for future reprocessing of spent fuel. It should be scrapped as soon as possible. Breeder reactors are a nightmare and are illegal in the US, thanks to executive orders issued by Lyndon Johnson and Jimmy Carter. Yet Japan's government clings to this money guzzling monstrosity as if it were more essential than life itself. Time to do as ordered and shut it down for good.


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  • nedlifromvermont

    this is what the Fermi One plant was gonna be, that almost took out Detroit and surrounding areas … liquid sodium cooled … oh give me a break you engineering nuckleheads!!!

    "We Almost Lost Detroit" is a must read for how the nuclear business got off to an illegal start in the good ol' United States of Cancer, Empire!!!

    Lewis Straus of the AEC put the original Brookhaven report in his safe and locked it away!!

    This report said we'd have one full blown reactor crisis every 500 reactor operating years … and that was when they planned to build 1000 reactors in US … for a planned rate of a meltdown every six months!!!

    Crazy, No?

    peace!


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