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Coal plants also create nuclear waste. Trace amounts of uranium and thorium in coal become concentrated after the coal is burned away, leaving high concentrations of nuclear waste.

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So, you say, coal waste can be source of uranium for nuclear plants, right? How many tonnes of Uranium we can extract from coal ashes?

Unfortunately, a lot of it just gets released into the atmosphere. Capturing it all would be the obvious next step, but it costs money.

Just about 1% of fly ash is released into the atmosphere.

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