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Engineering Designer 44(4):12-15(2018)

Swansea-based Power & Water (P&W), commissioned by Natural Resources Wales at the Cwm Rheidol mine, demonstrated the innovative and patented Soneco (Sono-electrochemical) technology for effective treatment of acid mine drainage. A trial of the technology was conducted at one of the UK's top 5 most-polluting abandoned metal mines, where very high metal concentrations enter the River Rheidol in the mine's discharge water. P&W successfully removed up to 99.5% of Zn, Pb, Fe, and Cd while simultaneously reducing other metal concentrations with high reduction rates. See pages 12-15 at http://www.ieddigital.co.uk/noindex/Redirect.aspx?id=2360&type=9&pdffile=edr01jul2018fulledr.pdf. See also the BBC video interview at https://www.youtube.com/watch?v=xzF-1vz8C_Y.

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