The movement of nuclear waste from the natural Oklo reactor.

http://oklo.curtin.edu.au/when.cfm

The history of the Oklo fossil reactors spans almost the entire history of the earth. ‘Oklotime’ can be divided into four stages:

U mobilization phase: Commenced ~3500 million years ago.
U ore/reactor formation: Started ~2800 million years ago.
Reactor operation: Commenced 2000 million years ago (for about a million years).
Waste movement: The last 2000 million years. source: link above.

4. Waste movement (The last 2000 million years)
Some two thousand millions years have passed since the reactors last operated. This is so long that all of the radioactive waste products (even those with million year half lives) have decayed away. In fact it can be shown that even for a radioactive waste products such as 129Iodine. 137Cesium, and 107Palladium (half lives of 1.7 x 107, 3 x 106 and 7 x 106 years respectively) that even if all the U at Oklo had been converted to radioactive Iodine there would be less than one atom of this isotope left today. source: ibid.

It cannot therefore be said that the Oklo natural reactor is proof that nuclear reactors as constructed and operated by humans can achieve containment of nuclear emissions and waste. Oklo is in no model for containment of waste in the modern industrial setting.

One Response to “The movement of nuclear waste from the natural Oklo reactor.”

  1. CaptD Says:

    If you don’t learn from History, you are doomed to repeat Histories “HARD” lessons..
    Liked and Tweeted…

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