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I was wondering if it is possible to separate deuterium from heavy water via electrolysis. Also, is this the way deuterium gas is obtained on an industrial scale, or are there better methods?

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    $\begingroup$ See iter.org/newsline/167/631 for example. $\endgroup$
    – Jon Custer
    Nov 25, 2022 at 16:53
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    $\begingroup$ All hydrogen of heavy water is deuterium. It's electrolysis separates deuterium and oxygen. $\endgroup$
    – Poutnik
    Nov 25, 2022 at 17:05
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    $\begingroup$ Yes, Deuterium can be separated from heavy water $\ce{D2O}$ by electrolysis. I don't know whether it is the best way of producing $\ce{D2}$. $\endgroup$
    – Maurice
    Nov 25, 2022 at 17:06
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    $\begingroup$ Why would anyone produce deuterium gas on an industrial scale? $\endgroup$
    – Karl
    Nov 25, 2022 at 18:29
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    $\begingroup$ @Karl - Canada exports roughly $30M of heavy water a year as the top producer. Not a commodity chemical, but not exactly lab scale either. $\endgroup$
    – Jon Custer
    Nov 26, 2022 at 14:30

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