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Power Japan

Fukushima Nuclear Plant Cleanup May Take More Than 40 Years 218

mdsolar writes "'A U.N. nuclear watchdog team said Japan may need longer than the projected 40 years to decommission the Fukushima power plant and urged Tepco to improve stability at the facility. The head of the International Atomic Energy Agency team, Juan Carlos Lentijo, said Monday that damage at the nuclear plant is so complex that it is impossible to predict how long the cleanup may last.' Meanwhile, Gregory B. Jaczko, former Chair of the Nuclear Regulatory Commission has said that all 104 nuclear power reactors now in operation in the United States have a safety problem that cannot be fixed and they should be replaced with newer technology."
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Fukushima Nuclear Plant Cleanup May Take More Than 40 Years

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  • by Dragonshed ( 206590 ) on Tuesday April 23, 2013 @07:25PM (#43531101)

    Moving away from the first & second generation light water reactor designs is definitely something we should be doing, but simply going to smaller plants is a dubious plan.

    From TFA:

    > Dr. Jaczko cited a well-known characteristic of nuclear reactor fuel to continue to generate copious amounts of heat after a chain reaction is shut down. That “decay heat” is what led to the Fukushima meltdowns. The solution, he said, was probably smaller reactors in which the heat could not push the temperature to the fuel’s melting point.

    Actually innovating, bringing something like the Liquid Fluoride Thorium Reactor to reality, is more along the lines of what we should be doing.

    Also, it was the tsunami that actually caused the meltdowns. Fukushima had appropriate backups for cooling the reactor, and were well under way when the reactors were shut down after the quake, they just didn't design for the eventually of a tsunami to come and categorically knock them all out.


Someone is unenthusiastic about your work.