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you claim "with cost ... getting so low"

however, neither your link nor anything from a reputable site that i've found through google says anything about costs or current industrial production. do you have any data to back up your claim of low cost, or is that claim purely speculation on your part ?

unless there's data that i've missed, it doesn't sound like seawater extraction is currently economically viable

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There is no industrial production; it's in the R&D stage. Current costs are estimated at about 6x uranium mining. Thus, it is not currently economically viable. With R&D, costs are expected to go down. If we go in on nuclear long term, uranium shortages in a few thousand years will make uranium more expensive.

We're comparing long term scenarios here: reprocessing vs. seawater extraction. The reprocessing + hot refabrication process has been done and is extraordinarily expensive. If seawater extraction at scale is indeed viable, it's long term prospects in my view are way better than reprocessing.

https://inis.iaea.org/collection/NCLCollectionStore/_Public/...

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