• Question: Why is seawater hardly purified and why is it so expensive to do so?

    Asked by anon-207608 to Scott, Oliver, Michelle, Lowri on 15 Mar 2019.
    • Photo: Lowri Evans

      Lowri Evans answered on 15 Mar 2019:

      Desalination is a very expensive process, this can be done thermally or through reverse osmosis. It is much cheaper to treat freshwater.

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