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by gambiting
2600 days ago
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You don't need to drill tunnels for people to walk in - just a borehole wide enough to fit a cylinder filled with nuclear waste. In fact, this very idea was already researched and test holes drilled - but of course was cancelled due to public opposition, even though we could get rid of our nuclear waste almost overnight using this method. Typical. https://en.wikipedia.org/wiki/Deep_borehole_disposal |
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As per your Wikipedia article, current technology limits the borehole to 50 cm. That gets us 500 to 1000 m^3 worth of storage per borehole, assuming the lower 1km to 2km is used for storage.
From this[1] page, as far as I understand, on a global scale the current amount of nuclear waste in need of such storage is 482000 m^3. So roughly 500-1000 boreholes to store the current waste inventory.
Anyone got any ideas on how much it costs to drill a 5-6km 50cm hole?
[1]: http://www.world-nuclear.org/information-library/nuclear-fue...