Abstract
This article discusses a pilot study by the city of Goodview, Minnesota, for the removal of radium with hydrous manganese oxide (HMO) and coprecipitation with iron from its well water. Dual media, sand, and manganese greensand media were tested in the pilot plant, and results showed that the manganese greensand media had the lowest filter headloss buildup and would produce the longest filter runs. The media also produced the best quality water with the highest removal rate of radium and iron.
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